System Owner/User Discovery, Technique T1033 - Enterprise

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More details about tickets and our CFP can be found <a href='https://na.eventscloud.com/attackcon6'>here</a> </div> </div> </div> <div class="row flex-grow-1 flex-shrink-0">   <div class="sidebar nav sticky-top flex-column pr-0 pt-4 pb-3 pl-3" id="v-tab" role="tablist" aria-orientation="vertical"> <div class="resizer" id="resizer"></div>  <div id="sidebars"></div>  </div> <div class="tab-content col-xl-9 pt-4" id="v-tabContent"> <div class="tab-pane fade show active" id="v-attckmatrix" role="tabpanel" aria-labelledby="v-attckmatrix-tab"> <ol class="breadcrumb"> <li class="breadcrumb-item"><a href="/">Home</a></li> <li class="breadcrumb-item"><a href="/techniques/enterprise">Techniques</a></li> <li class="breadcrumb-item"><a href="/techniques/enterprise">Enterprise</a></li> <li class="breadcrumb-item">System Owner/User Discovery</li> </ol> <div class="tab-pane fade show active" id="v-" role="tabpanel" aria-labelledby="v--tab"></div> <div class="row"> <div class="col-xl-12"> <div class="jumbotron jumbotron-fluid"> <div class="container-fluid"> <h1 id=""> System Owner/User Discovery </h1> <div class="row"> <div class="col-md-8"> <div class="description-body"> Adversaries may attempt to identify the primary user, currently logged in user, set of users that commonly uses a system, or whether a user is actively using the system. They may do this, for example, by retrieving account usernames or by using <a href="/techniques/T1003">OS Credential Dumping</a>. The information may be collected in a number of different ways using other Discovery techniques, because user and username details are prevalent throughout a system and include running process ownership, file/directory ownership, session information, and system logs. Adversaries may use the information from <a href="/techniques/T1033">System Owner/User Discovery</a> during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.Various utilities and commands may acquire this information, including <code>whoami</code>. In macOS and Linux, the currently logged in user can be identified with <code>w</code> and <code>who</code>. On macOS the <code>dscl . list /Users | grep -v '_'</code> command can also be used to enumerate user accounts. Environment variables, such as <code>%USERNAME%</code> and <code>$USER</code>, may also be used to access this information.On network devices, <a href="/techniques/T1059/008">Network Device CLI</a> commands such as <code>show users</code> and <code>show ssh</code> can be used to display users currently logged into the device.<span onclick=scrollToRef('scite-1') id="scite-ref-1-a" class="scite-citeref-number" title="Cisco. (2023, March 7). Cisco IOS Security Command Reference: Commands S to Z . Retrieved July 13, 2022."data-reference="show_ssh_users_cmd_cisco"><a href="https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/security/s1/sec-s1-cr-book/sec-cr-s5.html" target="_blank" data-hasqtip="0" aria-describedby="qtip-0">[1]</a><span onclick=scrollToRef('scite-2') id="scite-ref-2-a" class="scite-citeref-number" title="US-CERT. (2018, April 20). Russian State-Sponsored Cyber Actors Targeting Network Infrastructure Devices. Retrieved October 19, 2020."data-reference="US-CERT TA18-106A Network Infrastructure Devices 2018"><a href="https://us-cert.cisa.gov/ncas/alerts/TA18-106A" target="_blank" data-hasqtip="1" aria-describedby="qtip-1">[2]</a> </div> </div> <div class="col-md-4"> <div class="card"> <div class="card-body"> <div class="row card-data" id="card-id"> <div class="col-md-1 px-0 text-center"></div> <div class="col-md-11 pl-0"> ID: T1033 </div> </div>  <div class="row card-data"> <div class="col-md-1 px-0 text-center"></div> <div class="col-md-11 pl-0"> Sub-techniques:  No sub-techniques </div> </div>  <div id="card-tactics" class="row card-data"> <div class="col-md-1 px-0 text-center"> ⓘ </div> <div class="col-md-11 pl-0"> Tactic: <a href="/tactics/TA0007">Discovery</a> </div> </div> <div class="row card-data"> <div class="col-md-1 px-0 text-center"> ⓘ </div> <div class="col-md-11 pl-0"> Platforms: Linux, Network, Windows, macOS </div> </div> <div class="row card-data"> <div class="col-md-1 px-0 text-center"></div> <div class="col-md-11 pl-0"> Contributors: Austin Clark, @c2defense </div> </div> <div class="row card-data"> <div class="col-md-1 px-0 text-center"></div> <div class="col-md-11 pl-0"> Version: 1.5 </div> </div> <div class="row card-data"> <div class="col-md-1 px-0 text-center"></div> <div class="col-md-11 pl-0"> Created: 31 May 2017 </div> </div> <div class="row card-data"> <div class="col-md-1 px-0 text-center"></div> <div class="col-md-11 pl-0"> Last Modified: 29 September 2023 </div> </div> </div> </div> <div class="text-center pt-2 version-button live"> <div class="live"> <a data-toggle="tooltip" data-placement="bottom" title="Permalink to this version of T1033" href="/versions/v16/techniques/T1033/" data-test-ignore="true">Version Permalink</a> </div> <div class="permalink"> <a data-toggle="tooltip" data-placement="bottom" title="Go to the live version of T1033" href="/versions/v16/techniques/T1033/" data-test-ignore="true">Live Version</a> </div> </div> </div> </div> <h2 class="pt-3" id ="examples">Procedure Examples</h2> <div class="tables-mobile"> <table class="table table-bordered table-alternate mt-2"> <thead> <tr> <th scope="col">ID</th> <th scope="col">Name</th> <th scope="col">Description</th> </tr> </thead> <tbody> <tr> <td> <a href="/software/S1028"> S1028 </a> </td> <td> <a href="/software/S1028"> Action RAT </a> </td> <td> <a href="/software/S1028">Action RAT</a> has the ability to collect the username from an infected host.<span onclick=scrollToRef('scite-3') id="scite-ref-3-a" class="scite-citeref-number" title="Threat Intelligence Team. (2021, December 2). SideCopy APT: Connecting lures victims, payloads to infrastructure. Retrieved June 13, 2022."data-reference="MalwareBytes SideCopy Dec 2021"><a href="https://www.malwarebytes.com/blog/news/2021/12/sidecopy-apt-connecting-lures-to-victims-payloads-to-infrastructure" target="_blank" data-hasqtip="2" aria-describedby="qtip-2">[3]</a> </td> </tr> <tr> <td> <a href="/software/S0331"> S0331 </a> </td> <td> <a href="/software/S0331"> Agent Tesla </a> </td> <td> <a href="/software/S0331">Agent Tesla</a> can collect the username from the victim’s machine.<span onclick=scrollToRef('scite-4') id="scite-ref-4-a" class="scite-citeref-number" title="The DigiTrust Group. (2017, January 12). The Rise of Agent Tesla. Retrieved November 5, 2018."data-reference="DigiTrust Agent Tesla Jan 2017"><a href="https://www.digitrustgroup.com/agent-tesla-keylogger/" target="_blank" data-hasqtip="3" aria-describedby="qtip-3">[4]</a><span onclick=scrollToRef('scite-5') id="scite-ref-5-a" class="scite-citeref-number" title="Zhang, X. (2018, April 05). Analysis of New Agent Tesla Spyware Variant. Retrieved November 5, 2018."data-reference="Fortinet Agent Tesla April 2018"><a href="https://www.fortinet.com/blog/threat-research/analysis-of-new-agent-tesla-spyware-variant.html" target="_blank" data-hasqtip="4" aria-describedby="qtip-4">[5]</a><span onclick=scrollToRef('scite-6') id="scite-ref-6-a" class="scite-citeref-number" title="Jazi, H. (2020, April 16). New AgentTesla variant steals WiFi credentials. Retrieved May 19, 2020."data-reference="Malwarebytes Agent Tesla April 2020"><a href="https://blog.malwarebytes.com/threat-analysis/2020/04/new-agenttesla-variant-steals-wifi-credentials/" target="_blank" data-hasqtip="5" aria-describedby="qtip-5">[6]</a> </td> </tr> <tr> <td> <a href="/software/S0092"> S0092 </a> </td> <td> <a href="/software/S0092"> Agent.btz </a> </td> <td> <a href="/software/S0092">Agent.btz</a> obtains the victim username and saves it to a file.<span onclick=scrollToRef('scite-7') id="scite-ref-7-a" class="scite-citeref-number" title="Shevchenko, S.. (2008, November 30). Agent.btz - A Threat That Hit Pentagon. Retrieved April 8, 2016."data-reference="ThreatExpert Agent.btz"><a href="http://blog.threatexpert.com/2008/11/agentbtz-threat-that-hit-pentagon.html" target="_blank" data-hasqtip="6" aria-describedby="qtip-6">[7]</a> </td> </tr> <tr> <td> <a href="/software/S1025"> S1025 </a> </td> <td> <a href="/software/S1025"> Amadey </a> </td> <td> <a href="/software/S1025">Amadey</a> has collected the user name from a compromised host using <code>GetUserNameA</code>.<span onclick=scrollToRef('scite-8') id="scite-ref-8-a" class="scite-citeref-number" title="Kasuya, M. (2020, January 8). Threat Spotlight: Amadey Bot Targets Non-Russian Users. Retrieved July 14, 2022."data-reference="BlackBerry Amadey 2020"><a href="https://blogs.blackberry.com/en/2020/01/threat-spotlight-amadey-bot" target="_blank" data-hasqtip="7" aria-describedby="qtip-7">[8]</a> </td> </tr> <tr> <td> <a href="/groups/G0073"> G0073 </a> </td> <td> <a href="/groups/G0073"> APT19 </a> </td> <td> <a href="/groups/G0073">APT19</a> used an HTTP malware variant and a Port 22 malware variant to collect the victim’s username.<span onclick=scrollToRef('scite-9') id="scite-ref-9-a" class="scite-citeref-number" title="Grunzweig, J., Lee, B. (2016, January 22). New Attacks Linked to C0d0so0 Group. Retrieved August 2, 2018."data-reference="Unit 42 C0d0so0 Jan 2016"><a href="https://researchcenter.paloaltonetworks.com/2016/01/new-attacks-linked-to-c0d0s0-group/" target="_blank" data-hasqtip="8" aria-describedby="qtip-8">[9]</a> </td> </tr> <tr> <td> <a href="/groups/G0022"> G0022 </a> </td> <td> <a href="/groups/G0022"> APT3 </a> </td> <td> An <a href="/groups/G0022">APT3</a> downloader uses the Windows command <code>"cmd.exe" /C whoami</code> to verify that it is running with the elevated privileges of "System."<span onclick=scrollToRef('scite-10') id="scite-ref-10-a" class="scite-citeref-number" title="Moran, N., et al. (2014, November 21). Operation Double Tap. Retrieved January 14, 2016."data-reference="FireEye Operation Double Tap"><a href="https://www.fireeye.com/blog/threat-research/2014/11/operation_doubletap.html" target="_blank" data-hasqtip="9" aria-describedby="qtip-9">[10]</a> </td> </tr> <tr> <td> <a href="/groups/G0050"> G0050 </a> </td> <td> <a href="/groups/G0050"> APT32 </a> </td> <td> <a href="/groups/G0050">APT32</a> collected the victim's username and executed the <code>whoami</code> command on the victim's machine. <a href="/groups/G0050">APT32</a> executed shellcode to collect the username on the victim's machine. <span onclick=scrollToRef('scite-11') id="scite-ref-11-a" class="scite-citeref-number" title="Henderson, S., et al. (2020, April 22). Vietnamese Threat Actors APT32 Targeting Wuhan Government and Chinese Ministry of Emergency Management in Latest Example of COVID-19 Related Espionage. Retrieved April 28, 2020."data-reference="FireEye APT32 April 2020"><a href="https://www.fireeye.com/blog/threat-research/2020/04/apt32-targeting-chinese-government-in-covid-19-related-espionage.html" target="_blank" data-hasqtip="10" aria-describedby="qtip-10">[11]</a><span onclick=scrollToRef('scite-12') id="scite-ref-12-a" class="scite-citeref-number" title="Foltýn, T. (2018, March 13). OceanLotus ships new backdoor using old tricks. Retrieved May 22, 2018."data-reference="ESET OceanLotus"><a href="https://www.welivesecurity.com/2018/03/13/oceanlotus-ships-new-backdoor/" target="_blank" data-hasqtip="11" aria-describedby="qtip-11">[12]</a><span onclick=scrollToRef('scite-13') id="scite-ref-13-a" class="scite-citeref-number" title="Dahan, A. (2017). Operation Cobalt Kitty. Retrieved December 27, 2018."data-reference="Cybereason Cobalt Kitty 2017"><a href="https://cdn2.hubspot.net/hubfs/3354902/Cybereason%20Labs%20Analysis%20Operation%20Cobalt%20Kitty.pdf" target="_blank" data-hasqtip="12" aria-describedby="qtip-12">[13]</a> </td> </tr> <tr> <td> <a href="/groups/G0067"> G0067 </a> </td> <td> <a href="/groups/G0067"> APT37 </a> </td> <td> <a href="/groups/G0067">APT37</a> identifies the victim username.<span onclick=scrollToRef('scite-14') id="scite-ref-14-a" class="scite-citeref-number" title="Mercer, W., Rascagneres, P. (2018, January 16). Korea In The Crosshairs. Retrieved May 21, 2018."data-reference="Talos Group123"><a href="https://blog.talosintelligence.com/2018/01/korea-in-crosshairs.html" target="_blank" data-hasqtip="13" aria-describedby="qtip-13">[14]</a> </td> </tr> <tr> <td> <a href="/groups/G0082"> G0082 </a> </td> <td> <a href="/groups/G0082"> APT38 </a> </td> <td> <a href="/groups/G0082">APT38</a> has identified primary users, currently logged in users, sets of users that commonly use a system, or inactive users.<span onclick=scrollToRef('scite-15') id="scite-ref-15-a" class="scite-citeref-number" title="DHS/CISA. (2020, August 26). FASTCash 2.0: North Korea's BeagleBoyz Robbing Banks. Retrieved September 29, 2021."data-reference="CISA AA20-239A BeagleBoyz August 2020"><a href="https://us-cert.cisa.gov/ncas/alerts/aa20-239a" target="_blank" data-hasqtip="14" aria-describedby="qtip-14">[15]</a> </td> </tr> <tr> <td> <a href="/groups/G0087"> G0087 </a> </td> <td> <a href="/groups/G0087"> APT39 </a> </td> <td> <a href="/groups/G0087">APT39</a> used <a href="/software/S0375">Remexi</a> to collect usernames from the system.<span onclick=scrollToRef('scite-16') id="scite-ref-16-a" class="scite-citeref-number" title="Symantec Security Response. (2015, December 7). Iran-based attackers use back door threats to spy on Middle Eastern targets. Retrieved April 17, 2019."data-reference="Symantec Chafer Dec 2015"><a href="https://www.symantec.com/connect/blogs/iran-based-attackers-use-back-door-threats-spy-middle-eastern-targets" target="_blank" data-hasqtip="15" aria-describedby="qtip-15">[16]</a> </td> </tr> <tr> <td> <a href="/groups/G0096"> G0096 </a> </td> <td> <a href="/groups/G0096"> APT41 </a> </td> <td> <a href="/groups/G0096">APT41</a> has executed <code>whoami</code> commands, including using the WMIEXEC utility to execute this on remote machines.<span onclick=scrollToRef('scite-17') id="scite-ref-17-a" class="scite-citeref-number" title="Fraser, N., et al. (2019, August 7). Double DragonAPT41, a dual espionage and cyber crime operation APT41. Retrieved September 23, 2019."data-reference="FireEye APT41 Aug 2019"><a href="https://www.mandiant.com/sites/default/files/2022-02/rt-apt41-dual-operation.pdf" target="_blank" data-hasqtip="16" aria-describedby="qtip-16">[17]</a><span onclick=scrollToRef('scite-18') id="scite-ref-18-a" class="scite-citeref-number" title="Nikita Rostovcev. (2022, August 18). APT41 World Tour 2021 on a tight schedule. Retrieved February 22, 2024."data-reference="Rostovcev APT41 2021"><a href="https://www.group-ib.com/blog/apt41-world-tour-2021/" target="_blank" data-hasqtip="17" aria-describedby="qtip-17">[18]</a> </td> </tr> <tr> <td> <a href="/groups/G0143"> G0143 </a> </td> <td> <a href="/groups/G0143"> Aquatic Panda </a> </td> <td> <a href="/groups/G0143">Aquatic Panda</a> gathers information on recently logged-in users on victim devices.<span onclick=scrollToRef('scite-19') id="scite-ref-19-a" class="scite-citeref-number" title="CrowdStrike. (2023). 2022 Falcon OverWatch Threat Hunting Report. Retrieved May 20, 2024."data-reference="Crowdstrike HuntReport 2022"><a href="https://go.crowdstrike.com/rs/281-OBQ-266/images/2022OverWatchThreatHuntingReport.pdf" target="_blank" data-hasqtip="18" aria-describedby="qtip-18">[19]</a> </td> </tr> <tr> <td> <a href="/software/S0456"> S0456 </a> </td> <td> <a href="/software/S0456"> Aria-body </a> </td> <td> <a href="/software/S0456">Aria-body</a> has the ability to identify the username on a compromised host.<span onclick=scrollToRef('scite-20') id="scite-ref-20-a" class="scite-citeref-number" title="CheckPoint. (2020, May 7). Naikon APT: Cyber Espionage Reloaded. Retrieved May 26, 2020."data-reference="CheckPoint Naikon May 2020"><a href="https://research.checkpoint.com/2020/naikon-apt-cyber-espionage-reloaded/" target="_blank" data-hasqtip="19" aria-describedby="qtip-19">[20]</a> </td> </tr> <tr> <td> <a href="/software/S1087"> S1087 </a> </td> <td> <a href="/software/S1087"> AsyncRAT </a> </td> <td> <a href="/software/S1087">AsyncRAT</a> can check if the current user of a compromised system is an administrator. <span onclick=scrollToRef('scite-21') id="scite-ref-21-a" class="scite-citeref-number" title="Jornet, A. (2021, December 23). Snip3, an investigation into malware. Retrieved September 19, 2023."data-reference="Telefonica Snip3 December 2021"><a href="https://telefonicatech.com/blog/snip3-investigacion-malware" target="_blank" data-hasqtip="20" aria-describedby="qtip-20">[21]</a> </td> </tr> <tr> <td> <a href="/software/S1029"> S1029 </a> </td> <td> <a href="/software/S1029"> AuTo Stealer </a> </td> <td> <a href="/software/S1029">AuTo Stealer</a> has the ability to collect the username from an infected host.<span onclick=scrollToRef('scite-3') id="scite-ref-3-a" class="scite-citeref-number" title="Threat Intelligence Team. (2021, December 2). SideCopy APT: Connecting lures victims, payloads to infrastructure. Retrieved June 13, 2022."data-reference="MalwareBytes SideCopy Dec 2021"><a href="https://www.malwarebytes.com/blog/news/2021/12/sidecopy-apt-connecting-lures-to-victims-payloads-to-infrastructure" target="_blank" data-hasqtip="2" aria-describedby="qtip-2">[3]</a> </td> </tr> <tr> <td> <a href="/software/S0344"> S0344 </a> </td> <td> <a href="/software/S0344"> Azorult </a> </td> <td> <a href="/software/S0344">Azorult</a> can collect the username from the victim’s machine.<span onclick=scrollToRef('scite-22') id="scite-ref-22-a" class="scite-citeref-number" title="Yan, T., et al. (2018, November 21). New Wine in Old Bottle: New Azorult Variant Found in FindMyName Campaign using Fallout Exploit Kit. Retrieved November 29, 2018."data-reference="Unit42 Azorult Nov 2018"><a href="https://researchcenter.paloaltonetworks.com/2018/11/unit42-new-wine-old-bottle-new-azorult-variant-found-findmyname-campaign-using-fallout-exploit-kit/" target="_blank" data-hasqtip="21" aria-describedby="qtip-21">[22]</a> </td> </tr> <tr> <td> <a href="/software/S0414"> S0414 </a> </td> <td> <a href="/software/S0414"> BabyShark </a> </td> <td> <a href="/software/S0414">BabyShark</a> has executed the <code>whoami</code> command.<span onclick=scrollToRef('scite-23') id="scite-ref-23-a" class="scite-citeref-number" title="Unit 42. (2019, February 22). New BabyShark Malware Targets U.S. National Security Think Tanks. Retrieved October 7, 2019."data-reference="Unit42 BabyShark Feb 2019"><a href="https://unit42.paloaltonetworks.com/new-babyshark-malware-targets-u-s-national-security-think-tanks/" target="_blank" data-hasqtip="22" aria-describedby="qtip-22">[23]</a> </td> </tr> <tr> <td> <a href="/software/S0093"> S0093 </a> </td> <td> <a href="/software/S0093"> Backdoor.Oldrea </a> </td> <td> <a href="/software/S0093">Backdoor.Oldrea</a> collects the current username from the victim.<span onclick=scrollToRef('scite-24') id="scite-ref-24-a" class="scite-citeref-number" title="Symantec Security Response. (2014, June 30). Dragonfly: Cyberespionage Attacks Against Energy Suppliers. Retrieved April 8, 2016."data-reference="Symantec Dragonfly"><a href="https://community.broadcom.com/symantecenterprise/communities/community-home/librarydocuments/viewdocument?DocumentKey=7382dce7-0260-4782-84cc-890971ed3f17&CommunityKey=1ecf5f55-9545-44d6-b0f4-4e4a7f5f5e68&tab=librarydocuments" target="_blank" data-hasqtip="23" aria-describedby="qtip-23">[24]</a> </td> </tr> <tr> <td> <a href="/software/S1081"> S1081 </a> </td> <td> <a href="/software/S1081"> BADHATCH </a> </td> <td> <a href="/software/S1081">BADHATCH</a> can obtain logged user information from a compromised machine and can execute the command <code>whoami.exe</code>.<span onclick=scrollToRef('scite-25') id="scite-ref-25-a" class="scite-citeref-number" title="Vrabie, V., et al. (2021, March 10). FIN8 Returns with Improved BADHATCH Toolkit. Retrieved September 8, 2021."data-reference="BitDefender BADHATCH Mar 2021"><a href="https://www.bitdefender.com/files/News/CaseStudies/study/394/Bitdefender-PR-Whitepaper-BADHATCH-creat5237-en-EN.pdf" target="_blank" data-hasqtip="24" aria-describedby="qtip-24">[25]</a> </td> </tr> <tr> <td> <a href="/software/S0534"> S0534 </a> </td> <td> <a href="/software/S0534"> Bazar </a> </td> <td> <a href="/software/S0534">Bazar</a> can identify the username of the infected user.<span onclick=scrollToRef('scite-26') id="scite-ref-26-a" class="scite-citeref-number" title="Pantazopoulos, N. (2020, June 2). In-depth analysis of the new Team9 malware family. Retrieved December 1, 2020."data-reference="NCC Group Team9 June 2020"><a href="https://research.nccgroup.com/2020/06/02/in-depth-analysis-of-the-new-team9-malware-family/" target="_blank" data-hasqtip="25" aria-describedby="qtip-25">[26]</a> </td> </tr> <tr> <td> <a href="/software/S0017"> S0017 </a> </td> <td> <a href="/software/S0017"> BISCUIT </a> </td> <td> <a href="/software/S0017">BISCUIT</a> has a command to gather the username from the system.<span onclick=scrollToRef('scite-27') id="scite-ref-27-a" class="scite-citeref-number" title="Mandiant. (n.d.). Appendix C (Digital) - The Malware Arsenal. Retrieved July 18, 2016."data-reference="Mandiant APT1 Appendix"><a href="https://www.mandiant.com/sites/default/files/2021-09/mandiant-apt1-report.pdf" target="_blank" data-hasqtip="26" aria-describedby="qtip-26">[27]</a> </td> </tr> <tr> <td> <a href="/software/S1068"> S1068 </a> </td> <td> <a href="/software/S1068"> BlackCat </a> </td> <td> <a href="/software/S1068">BlackCat</a> can utilize <code>net use</code> commands to discover the user name on a compromised host.<span onclick=scrollToRef('scite-28') id="scite-ref-28-a" class="scite-citeref-number" title="Microsoft Defender Threat Intelligence. (2022, June 13). The many lives of BlackCat ransomware. Retrieved December 20, 2022."data-reference="Microsoft BlackCat Jun 2022"><a href="https://www.microsoft.com/en-us/security/blog/2022/06/13/the-many-lives-of-blackcat-ransomware/" target="_blank" data-hasqtip="27" aria-describedby="qtip-27">[28]</a> </td> </tr> <tr> <td> <a href="/software/S0521"> S0521 </a> </td> <td> <a href="/software/S0521"> BloodHound </a> </td> <td> <a href="/software/S0521">BloodHound</a> can collect information on user sessions.<span onclick=scrollToRef('scite-29') id="scite-ref-29-a" class="scite-citeref-number" title="Red Team Labs. (2018, April 24). Hidden Administrative Accounts: BloodHound to the Rescue. Retrieved October 28, 2020."data-reference="CrowdStrike BloodHound April 2018"><a href="https://www.crowdstrike.com/blog/hidden-administrative-accounts-bloodhound-to-the-rescue/" target="_blank" data-hasqtip="28" aria-describedby="qtip-28">[29]</a> </td> </tr> <tr> <td> <a href="/software/S0657"> S0657 </a> </td> <td> <a href="/software/S0657"> BLUELIGHT </a> </td> <td> <a href="/software/S0657">BLUELIGHT</a> can collect the username on a compromised host.<span onclick=scrollToRef('scite-30') id="scite-ref-30-a" class="scite-citeref-number" title="Cash, D., Grunzweig, J., Meltzer, M., Adair, S., Lancaster, T. (2021, August 17). North Korean APT InkySquid Infects Victims Using Browser Exploits. Retrieved September 30, 2021."data-reference="Volexity InkySquid BLUELIGHT August 2021"><a href="https://www.volexity.com/blog/2021/08/17/north-korean-apt-inkysquid-infects-victims-using-browser-exploits/" target="_blank" data-hasqtip="29" aria-describedby="qtip-29">[30]</a> </td> </tr> <tr> <td> <a href="/software/S0486"> S0486 </a> </td> <td> <a href="/software/S0486"> Bonadan </a> </td> <td> <a href="/software/S0486">Bonadan</a> has discovered the username of the user running the backdoor.<span onclick=scrollToRef('scite-31') id="scite-ref-31-a" class="scite-citeref-number" title="Dumont, R., M.Léveillé, M., Porcher, H. (2018, December 1). THE DARK SIDE OF THE FORSSHE A landscape of OpenSSH backdoors. Retrieved July 16, 2020."data-reference="ESET ForSSHe December 2018"><a href="https://www.welivesecurity.com/wp-content/uploads/2018/12/ESET-The_Dark_Side_of_the_ForSSHe.pdf" target="_blank" data-hasqtip="30" aria-describedby="qtip-30">[31]</a> </td> </tr> <tr> <td> <a href="/software/S0635"> S0635 </a> </td> <td> <a href="/software/S0635"> BoomBox </a> </td> <td> <a href="/software/S0635">BoomBox</a> can enumerate the username on a compromised host.<span onclick=scrollToRef('scite-32') id="scite-ref-32-a" class="scite-citeref-number" title="MSTIC. (2021, May 28). Breaking down NOBELIUM’s latest early-stage toolset. Retrieved August 4, 2021."data-reference="MSTIC Nobelium Toolset May 2021"><a href="https://www.microsoft.com/security/blog/2021/05/28/breaking-down-nobeliums-latest-early-stage-toolset/" target="_blank" data-hasqtip="31" aria-describedby="qtip-31">[32]</a> </td> </tr> <tr> <td> <a href="/software/S1039"> S1039 </a> </td> <td> <a href="/software/S1039"> Bumblebee </a> </td> <td> <a href="/software/S1039">Bumblebee</a> has the ability to identify the user name.<span onclick=scrollToRef('scite-33') id="scite-ref-33-a" class="scite-citeref-number" title="Stolyarov, V. (2022, March 17). Exposing initial access broker with ties to Conti. Retrieved August 18, 2022."data-reference="Google EXOTIC LILY March 2022"><a href="https://blog.google/threat-analysis-group/exposing-initial-access-broker-ties-conti/" target="_blank" data-hasqtip="32" aria-describedby="qtip-32">[33]</a> </td> </tr> <tr> <td> <a href="/campaigns/C0017"> C0017 </a> </td> <td> <a href="/campaigns/C0017"> C0017 </a> </td> <td> During <a href="https://attack.mitre.org/campaigns/C0017">C0017</a>, <a href="/groups/G0096">APT41</a> used <code>whoami</code> to gather information from victim machines.<span onclick=scrollToRef('scite-34') id="scite-ref-34-a" class="scite-citeref-number" title="Rufus Brown, Van Ta, Douglas Bienstock, Geoff Ackerman, John Wolfram. (2022, March 8). Does This Look Infected? A Summary of APT41 Targeting U.S. State Governments. Retrieved July 8, 2022."data-reference="Mandiant APT41"><a href="https://www.mandiant.com/resources/apt41-us-state-governments" target="_blank" data-hasqtip="33" aria-describedby="qtip-33">[34]</a> </td> </tr> <tr> <td> <a href="/campaigns/C0018"> C0018 </a> </td> <td> <a href="/campaigns/C0018"> C0018 </a> </td> <td> During <a href="https://attack.mitre.org/campaigns/C0018">C0018</a>, the threat actors collected <code>whoami</code> information via PowerShell scripts.<span onclick=scrollToRef('scite-35') id="scite-ref-35-a" class="scite-citeref-number" title="Costa, F. (2022, May 1). RaaS AvosLocker Incident Response Analysis. Retrieved January 11, 2023."data-reference="Costa AvosLocker May 2022"><a href="https://www.linkedin.com/pulse/raas-avoslocker-incident-response-analysis-fl%C3%A1vio-costa?trk=articles_directory" target="_blank" data-hasqtip="34" aria-describedby="qtip-34">[35]</a> </td> </tr> <tr> <td> <a href="/software/S0351"> S0351 </a> </td> <td> <a href="/software/S0351"> Cannon </a> </td> <td> <a href="/software/S0351">Cannon</a> can gather the username from the system.<span onclick=scrollToRef('scite-36') id="scite-ref-36-a" class="scite-citeref-number" title="Falcone, R., Lee, B. (2018, November 20). Sofacy Continues Global Attacks and Wheels Out New ‘Cannon’ Trojan. Retrieved November 26, 2018."data-reference="Unit42 Cannon Nov 2018"><a href="https://researchcenter.paloaltonetworks.com/2018/11/unit42-sofacy-continues-global-attacks-wheels-new-cannon-trojan/" target="_blank" data-hasqtip="35" aria-describedby="qtip-35">[36]</a> </td> </tr> <tr> <td> <a href="/software/S0348"> S0348 </a> </td> <td> <a href="/software/S0348"> Cardinal RAT </a> </td> <td> <a href="/software/S0348">Cardinal RAT</a> can collect the username from a victim machine.<span onclick=scrollToRef('scite-37') id="scite-ref-37-a" class="scite-citeref-number" title="Grunzweig, J.. (2017, April 20). Cardinal RAT Active for Over Two Years. Retrieved December 8, 2018."data-reference="PaloAlto CardinalRat Apr 2017"><a href="https://researchcenter.paloaltonetworks.com/2017/04/unit42-cardinal-rat-active-two-years/" target="_blank" data-hasqtip="36" aria-describedby="qtip-36">[37]</a> </td> </tr> <tr> <td> <a href="/software/S0572"> S0572 </a> </td> <td> <a href="/software/S0572"> Caterpillar WebShell </a> </td> <td> <a href="/software/S0572">Caterpillar WebShell</a> can obtain a list of user accounts from a victim's machine.<span onclick=scrollToRef('scite-38') id="scite-ref-38-a" class="scite-citeref-number" title="ClearSky Cyber Security. (2021, January). "Lebanese Cedar" APT Global Lebanese Espionage Campaign Leveraging Web Servers. Retrieved February 10, 2021."data-reference="ClearSky Lebanese Cedar Jan 2021"><a href="https://www.clearskysec.com/wp-content/uploads/2021/01/Lebanese-Cedar-APT.pdf" target="_blank" data-hasqtip="37" aria-describedby="qtip-37">[38]</a> </td> </tr> <tr> <td> <a href="/software/S0631"> S0631 </a> </td> <td> <a href="/software/S0631"> Chaes </a> </td> <td> <a href="/software/S0631">Chaes</a> has collected the username and UID from the infected machine.<span onclick=scrollToRef('scite-39') id="scite-ref-39-a" class="scite-citeref-number" title="Salem, E. (2020, November 17). CHAES: Novel Malware Targeting Latin American E-Commerce. Retrieved June 30, 2021."data-reference="Cybereason Chaes Nov 2020"><a href="https://www.cybereason.com/hubfs/dam/collateral/reports/11-2020-Chaes-e-commerce-malware-research.pdf" target="_blank" data-hasqtip="38" aria-describedby="qtip-38">[39]</a> </td> </tr> <tr> <td> <a href="/groups/G0114"> G0114 </a> </td> <td> <a href="/groups/G0114"> Chimera </a> </td> <td> <a href="/groups/G0114">Chimera</a> has used the <code>quser</code> command to show currently logged on users.<span onclick=scrollToRef('scite-40') id="scite-ref-40-a" class="scite-citeref-number" title="Jansen, W . (2021, January 12). Abusing cloud services to fly under the radar. Retrieved September 12, 2024."data-reference="NCC Group Chimera January 2021"><a href="https://web.archive.org/web/20230218064220/https://research.nccgroup.com/2021/01/12/abusing-cloud-services-to-fly-under-the-radar/" target="_blank" data-hasqtip="39" aria-describedby="qtip-39">[40]</a> </td> </tr> <tr> <td> <a href="/software/S1149"> S1149 </a> </td> <td> <a href="/software/S1149"> CHIMNEYSWEEP </a> </td> <td> <a href="/software/S1149">CHIMNEYSWEEP</a> has included the victim's computer name and username in C2 messages sent to actor-owned infrastructure.<span onclick=scrollToRef('scite-41') id="scite-ref-41-a" class="scite-citeref-number" title="Jenkins, L. at al. (2022, August 4). ROADSWEEP Ransomware - Likely Iranian Threat Actor Conducts Politically Motivated Disruptive Activity Against Albanian Government Organizations. Retrieved August 6, 2024."data-reference="Mandiant ROADSWEEP August 2022"><a href="https://cloud.google.com/blog/topics/threat-intelligence/likely-iranian-threat-actor-conducts-politically-motivated-disruptive-activity-against/" target="_blank" data-hasqtip="40" aria-describedby="qtip-40">[41]</a> </td> </tr> <tr> <td> <a href="/software/S0667"> S0667 </a> </td> <td> <a href="/software/S0667"> Chrommme </a> </td> <td> <a href="/software/S0667">Chrommme</a> can retrieve the username from a targeted system.<span onclick=scrollToRef('scite-42') id="scite-ref-42-a" class="scite-citeref-number" title="Dupuy, T. and Faou, M. (2021, June). Gelsemium. Retrieved November 30, 2021."data-reference="ESET Gelsemium June 2021"><a href="https://www.welivesecurity.com/wp-content/uploads/2021/06/eset_gelsemium.pdf" target="_blank" data-hasqtip="41" aria-describedby="qtip-41">[42]</a> </td> </tr> <tr> <td> <a href="/software/S0660"> S0660 </a> </td> <td> <a href="/software/S0660"> Clambling </a> </td> <td> <a href="/software/S0660">Clambling</a> can identify the username on a compromised host.<span onclick=scrollToRef('scite-43') id="scite-ref-43-a" class="scite-citeref-number" title="Lunghi, D. et al. (2020, February). Uncovering DRBControl. Retrieved November 12, 2021."data-reference="Trend Micro DRBControl February 2020"><a href="https://documents.trendmicro.com/assets/white_papers/wp-uncovering-DRBcontrol.pdf" target="_blank" data-hasqtip="42" aria-describedby="qtip-42">[43]</a><span onclick=scrollToRef('scite-44') id="scite-ref-44-a" class="scite-citeref-number" title="Chen, T. and Chen, Z. (2020, February 17). CLAMBLING - A New Backdoor Base On Dropbox. Retrieved November 12, 2021."data-reference="Talent-Jump Clambling February 2020"><a href="https://www.talent-jump.com/article/2020/02/17/CLAMBLING-A-New-Backdoor-Base-On-Dropbox-en/" target="_blank" data-hasqtip="43" aria-describedby="qtip-43">[44]</a> </td> </tr> <tr> <td> <a href="/software/S1024"> S1024 </a> </td> <td> <a href="/software/S1024"> CreepySnail </a> </td> <td> <a href="/software/S1024">CreepySnail</a> can execute <code>getUsername</code> on compromised systems.<span onclick=scrollToRef('scite-45') id="scite-ref-45-a" class="scite-citeref-number" title="Microsoft. (2022, June 2). Exposing POLONIUM activity and infrastructure targeting Israeli organizations. Retrieved July 1, 2022."data-reference="Microsoft POLONIUM June 2022"><a href="https://www.microsoft.com/security/blog/2022/06/02/exposing-polonium-activity-and-infrastructure-targeting-israeli-organizations/" target="_blank" data-hasqtip="44" aria-describedby="qtip-44">[45]</a> </td> </tr> <tr> <td> <a href="/software/S0115"> S0115 </a> </td> <td> <a href="/software/S0115"> Crimson </a> </td> <td> <a href="/software/S0115">Crimson</a> can identify the user on a targeted system.<span onclick=scrollToRef('scite-46') id="scite-ref-46-a" class="scite-citeref-number" title="Huss, D. (2016, March 1). Operation Transparent Tribe. Retrieved June 8, 2016."data-reference="Proofpoint Operation Transparent Tribe March 2016"><a href="https://www.proofpoint.com/sites/default/files/proofpoint-operation-transparent-tribe-threat-insight-en.pdf" target="_blank" data-hasqtip="45" aria-describedby="qtip-45">[46]</a><span onclick=scrollToRef('scite-47') id="scite-ref-47-a" class="scite-citeref-number" title="Dedola, G. (2020, August 20). Transparent Tribe: Evolution analysis, part 1. Retrieved September 2, 2021."data-reference="Kaspersky Transparent Tribe August 2020"><a href="https://securelist.com/transparent-tribe-part-1/98127/" target="_blank" data-hasqtip="46" aria-describedby="qtip-46">[47]</a><span onclick=scrollToRef('scite-48') id="scite-ref-48-a" class="scite-citeref-number" title="N. Baisini. (2022, July 13). Transparent Tribe begins targeting education sector in latest campaign. Retrieved September 22, 2022."data-reference="Cisco Talos Transparent Tribe Education Campaign July 2022"><a href="https://blog.talosintelligence.com/2022/07/transparent-tribe-targets-education.html" target="_blank" data-hasqtip="47" aria-describedby="qtip-47">[48]</a> </td> </tr> <tr> <td> <a href="/software/S0498"> S0498 </a> </td> <td> <a href="/software/S0498"> Cryptoistic </a> </td> <td> <a href="/software/S0498">Cryptoistic</a> can gather data on the user of a compromised host.<span onclick=scrollToRef('scite-49') id="scite-ref-49-a" class="scite-citeref-number" title="Stokes, P. (2020, July 27). Four Distinct Families of Lazarus Malware Target Apple’s macOS Platform. Retrieved August 7, 2020."data-reference="SentinelOne Lazarus macOS July 2020"><a href="https://www.sentinelone.com/blog/four-distinct-families-of-lazarus-malware-target-apples-macos-platform/" target="_blank" data-hasqtip="48" aria-describedby="qtip-48">[49]</a> </td> </tr> <tr> <td> <a href="/software/S1153"> S1153 </a> </td> <td> <a href="/software/S1153"> Cuckoo Stealer </a> </td> <td> <a href="/software/S1153">Cuckoo Stealer</a> can discover and send the username from a compromised host to C2.<span onclick=scrollToRef('scite-50') id="scite-ref-50-a" class="scite-citeref-number" title="Kohler, A. and Lopez, C. (2024, April 30). Malware: Cuckoo Behaves Like Cross Between Infostealer and Spyware. Retrieved August 20, 2024."data-reference="Kandji Cuckoo April 2024"><a href="https://www.kandji.io/blog/malware-cuckoo-infostealer-spyware" target="_blank" data-hasqtip="49" aria-describedby="qtip-49">[50]</a> </td> </tr> <tr> <td> <a href="/software/S0334"> S0334 </a> </td> <td> <a href="/software/S0334"> DarkComet </a> </td> <td> <a href="/software/S0334">DarkComet</a> gathers the username from the victim’s machine.<span onclick=scrollToRef('scite-51') id="scite-ref-51-a" class="scite-citeref-number" title="TrendMicro. (2014, September 03). DARKCOMET. Retrieved November 6, 2018."data-reference="TrendMicro DarkComet Sept 2014"><a href="https://www.trendmicro.com/vinfo/us/threat-encyclopedia/malware/DARKCOMET" target="_blank" data-hasqtip="50" aria-describedby="qtip-50">[51]</a> </td> </tr> <tr> <td> <a href="/software/S0673"> S0673 </a> </td> <td> <a href="/software/S0673"> DarkWatchman </a> </td> <td> <a href="/software/S0673">DarkWatchman</a> has collected the username from a victim machine.<span onclick=scrollToRef('scite-52') id="scite-ref-52-a" class="scite-citeref-number" title="Smith, S., Stafford, M. (2021, December 14). DarkWatchman: A new evolution in fileless techniques. Retrieved January 10, 2022."data-reference="Prevailion DarkWatchman 2021"><a href="https://web.archive.org/web/20220629230035/https://www.prevailion.com/darkwatchman-new-fileless-techniques/" target="_blank" data-hasqtip="51" aria-describedby="qtip-51">[52]</a> </td> </tr> <tr> <td> <a href="/software/S0354"> S0354 </a> </td> <td> <a href="/software/S0354"> Denis </a> </td> <td> <a href="/software/S0354">Denis</a> enumerates and collects the username from the victim’s machine.<span onclick=scrollToRef('scite-53') id="scite-ref-53-a" class="scite-citeref-number" title="Shulmin, A., Yunakovsky, S. (2017, April 28). Use of DNS Tunneling for C&C Communications. Retrieved November 5, 2018."data-reference="Securelist Denis April 2017"><a href="https://securelist.com/use-of-dns-tunneling-for-cc-communications/78203/" target="_blank" data-hasqtip="52" aria-describedby="qtip-52">[53]</a><span onclick=scrollToRef('scite-13') id="scite-ref-13-a" class="scite-citeref-number" title="Dahan, A. (2017). Operation Cobalt Kitty. Retrieved December 27, 2018."data-reference="Cybereason Cobalt Kitty 2017"><a href="https://cdn2.hubspot.net/hubfs/3354902/Cybereason%20Labs%20Analysis%20Operation%20Cobalt%20Kitty.pdf" target="_blank" data-hasqtip="12" aria-describedby="qtip-12">[13]</a> </td> </tr> <tr> <td> <a href="/software/S0021"> S0021 </a> </td> <td> <a href="/software/S0021"> Derusbi </a> </td> <td> A Linux version of <a href="/software/S0021">Derusbi</a> checks if the victim user ID is anything other than zero (normally used for root), and the malware will not execute if it does not have root privileges. <a href="/software/S0021">Derusbi</a> also gathers the username of the victim.<span onclick=scrollToRef('scite-54') id="scite-ref-54-a" class="scite-citeref-number" title="Fidelis Cybersecurity. (2016, February 29). The Turbo Campaign, Featuring Derusbi for 64-bit Linux. Retrieved March 2, 2016."data-reference="Fidelis Turbo"><a href="https://paper.seebug.org/papers/APT/APT_CyberCriminal_Campagin/2016/2016.02.29.Turbo_Campaign_Derusbi/TA_Fidelis_Turbo_1602_0.pdf" target="_blank" data-hasqtip="53" aria-describedby="qtip-53">[54]</a> </td> </tr> <tr> <td> <a href="/software/S0659"> S0659 </a> </td> <td> <a href="/software/S0659"> Diavol </a> </td> <td> <a href="/software/S0659">Diavol</a> can collect the username from a compromised host.<span onclick=scrollToRef('scite-55') id="scite-ref-55-a" class="scite-citeref-number" title="Neeamni, D., Rubinfeld, A.. (2021, July 1). Diavol - A New Ransomware Used By Wizard Spider?. Retrieved November 12, 2021."data-reference="Fortinet Diavol July 2021"><a href="https://www.fortinet.com/blog/threat-research/diavol-new-ransomware-used-by-wizard-spider" target="_blank" data-hasqtip="54" aria-describedby="qtip-54">[55]</a> </td> </tr> <tr> <td> <a href="/software/S1021"> S1021 </a> </td> <td> <a href="/software/S1021"> DnsSystem </a> </td> <td> <a href="/software/S1021">DnsSystem</a> can use the Windows user name to create a unique identification for infected users and systems.<span onclick=scrollToRef('scite-56') id="scite-ref-56-a" class="scite-citeref-number" title="Shivtarkar, N. and Kumar, A. (2022, June 9). Lyceum .NET DNS Backdoor. Retrieved June 23, 2022."data-reference="Zscaler Lyceum DnsSystem June 2022"><a href="https://www.zscaler.com/blogs/security-research/lyceum-net-dns-backdoor" target="_blank" data-hasqtip="55" aria-describedby="qtip-55">[56]</a> </td> </tr> <tr> <td> <a href="/software/S0186"> S0186 </a> </td> <td> <a href="/software/S0186"> DownPaper </a> </td> <td> <a href="/software/S0186">DownPaper</a> collects the victim username and sends it to the C2 server.<span onclick=scrollToRef('scite-57') id="scite-ref-57-a" class="scite-citeref-number" title="ClearSky Cyber Security. (2017, December). Charming Kitten. Retrieved December 27, 2017."data-reference="ClearSky Charming Kitten Dec 2017"><a href="http://www.clearskysec.com/wp-content/uploads/2017/12/Charming_Kitten_2017.pdf" target="_blank" data-hasqtip="56" aria-describedby="qtip-56">[57]</a> </td> </tr> <tr> <td> <a href="/groups/G0035"> G0035 </a> </td> <td> <a href="/groups/G0035"> Dragonfly </a> </td> <td> <a href="/groups/G0035">Dragonfly</a> used the command <code>query user</code> on victim hosts.<span onclick=scrollToRef('scite-58') id="scite-ref-58-a" class="scite-citeref-number" title="US-CERT. (2018, March 16). Alert (TA18-074A): Russian Government Cyber Activity Targeting Energy and Other Critical Infrastructure Sectors. Retrieved June 6, 2018."data-reference="US-CERT TA18-074A"><a href="https://www.us-cert.gov/ncas/alerts/TA18-074A" target="_blank" data-hasqtip="57" aria-describedby="qtip-57">[58]</a> </td> </tr> <tr> <td> <a href="/software/S0694"> S0694 </a> </td> <td> <a href="/software/S0694"> DRATzarus </a> </td> <td> <a href="/software/S0694">DRATzarus</a> can obtain a list of users from an infected machine.<span onclick=scrollToRef('scite-59') id="scite-ref-59-a" class="scite-citeref-number" title="ClearSky Research Team. (2020, August 13). Operation 'Dream Job' Widespread North Korean Espionage Campaign. Retrieved December 20, 2021."data-reference="ClearSky Lazarus Aug 2020"><a href="https://www.clearskysec.com/wp-content/uploads/2020/08/Dream-Job-Campaign.pdf" target="_blank" data-hasqtip="58" aria-describedby="qtip-58">[59]</a> </td> </tr> <tr> <td> <a href="/software/S0024"> S0024 </a> </td> <td> <a href="/software/S0024"> Dyre </a> </td> <td> <a href="/software/S0024">Dyre</a> has the ability to identify the users on a compromised host.<span onclick=scrollToRef('scite-60') id="scite-ref-60-a" class="scite-citeref-number" title="hasherezade. (2015, November 4). A Technical Look At Dyreza. Retrieved June 15, 2020."data-reference="Malwarebytes Dyreza November 2015"><a href="https://blog.malwarebytes.com/threat-analysis/2015/11/a-technical-look-at-dyreza/" target="_blank" data-hasqtip="59" aria-describedby="qtip-59">[60]</a> </td> </tr> <tr> <td> <a href="/groups/G1006"> G1006 </a> </td> <td> <a href="/groups/G1006"> Earth Lusca </a> </td> <td> <a href="/groups/G1006">Earth Lusca</a> collected information on user accounts via the <code>whoami</code> command.<span onclick=scrollToRef('scite-61') id="scite-ref-61-a" class="scite-citeref-number" title="Chen, J., et al. (2022). Delving Deep: An Analysis of Earth Lusca’s Operations. Retrieved July 1, 2022."data-reference="TrendMicro EarthLusca 2022"><a href="https://www.trendmicro.com/content/dam/trendmicro/global/en/research/22/a/earth-lusca-employs-sophisticated-infrastructure-varied-tools-and-techniques/technical-brief-delving-deep-an-analysis-of-earth-lusca-operations.pdf" target="_blank" data-hasqtip="60" aria-describedby="qtip-60">[61]</a> </td> </tr> <tr> <td> <a href="/software/S0554"> S0554 </a> </td> <td> <a href="/software/S0554"> Egregor </a> </td> <td> <a href="/software/S0554">Egregor</a> has used tools to gather information about users.<span onclick=scrollToRef('scite-62') id="scite-ref-62-a" class="scite-citeref-number" title="Bichet, J. (2020, November 12). Egregor – Prolock: Fraternal Twins ?. Retrieved January 6, 2021."data-reference="Intrinsec Egregor Nov 2020"><a href="https://www.intrinsec.com/egregor-prolock/?cn-reloaded=1" target="_blank" data-hasqtip="61" aria-describedby="qtip-61">[62]</a> </td> </tr> <tr> <td> <a href="/software/S0367"> S0367 </a> </td> <td> <a href="/software/S0367"> Emotet </a> </td> <td> <a href="/software/S0367">Emotet</a> has enumerated all users connected to network shares. </td> </tr> <tr> <td> <a href="/software/S0363"> S0363 </a> </td> <td> <a href="/software/S0363"> Empire </a> </td> <td> <a href="/software/S0363">Empire</a> can enumerate the username on targeted hosts.<span onclick=scrollToRef('scite-63') id="scite-ref-63-a" class="scite-citeref-number" title="Adamitis, D. et al. (2019, June 4). It's alive: Threat actors cobble together open-source pieces into monstrous Frankenstein campaign. Retrieved May 11, 2020."data-reference="Talos Frankenstein June 2019"><a href="https://blog.talosintelligence.com/2019/06/frankenstein-campaign.html" target="_blank" data-hasqtip="62" aria-describedby="qtip-62">[63]</a> </td> </tr> <tr> <td> <a href="/software/S0091"> S0091 </a> </td> <td> <a href="/software/S0091"> Epic </a> </td> <td> <a href="/software/S0091">Epic</a> collects the user name from the victim’s machine.<span onclick=scrollToRef('scite-64') id="scite-ref-64-a" class="scite-citeref-number" title="Kaspersky Lab's Global Research & Analysis Team. (2014, August 06). The Epic Turla Operation: Solving some of the mysteries of Snake/Uroboros. Retrieved November 7, 2018."data-reference="Kaspersky Turla Aug 2014"><a href="https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2018/03/08080105/KL_Epic_Turla_Technical_Appendix_20140806.pdf" target="_blank" data-hasqtip="63" aria-describedby="qtip-63">[64]</a> </td> </tr> <tr> <td> <a href="/software/S0568"> S0568 </a> </td> <td> <a href="/software/S0568"> EVILNUM </a> </td> <td> <a href="/software/S0568">EVILNUM</a> can obtain the username from the victim's machine.<span onclick=scrollToRef('scite-65') id="scite-ref-65-a" class="scite-citeref-number" title="Adamitis, D. (2020, May 6). Phantom in the Command Shell. Retrieved December 22, 2021."data-reference="Prevailion EvilNum May 2020"><a href="https://www.prevailion.com/phantom-in-the-command-shell-2/" target="_blank" data-hasqtip="64" aria-describedby="qtip-64">[65]</a> </td> </tr> <tr> <td> <a href="/software/S0401"> S0401 </a> </td> <td> <a href="/software/S0401"> Exaramel for Linux </a> </td> <td> <a href="/software/S0401">Exaramel for Linux</a> can run <code>whoami</code> to identify the system owner.<span onclick=scrollToRef('scite-66') id="scite-ref-66-a" class="scite-citeref-number" title="ANSSI. (2021, January 27). SANDWORM INTRUSION SET CAMPAIGN TARGETING CENTREON SYSTEMS. Retrieved March 30, 2021."data-reference="ANSSI Sandworm January 2021"><a href="https://www.cert.ssi.gouv.fr/uploads/CERTFR-2021-CTI-005.pdf" target="_blank" data-hasqtip="65" aria-describedby="qtip-65">[66]</a> </td> </tr> <tr> <td> <a href="/software/S0569"> S0569 </a> </td> <td> <a href="/software/S0569"> Explosive </a> </td> <td> <a href="/software/S0569">Explosive</a> has collected the username from the infected host.<span onclick=scrollToRef('scite-67') id="scite-ref-67-a" class="scite-citeref-number" title="Threat Intelligence and Research. (2015, March 30). VOLATILE CEDAR. Retrieved February 8, 2021."data-reference="CheckPoint Volatile Cedar March 2015"><a href="https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2015/03/20082004/volatile-cedar-technical-report.pdf" target="_blank" data-hasqtip="66" aria-describedby="qtip-66">[67]</a> </td> </tr> <tr> <td> <a href="/software/S0171"> S0171 </a> </td> <td> <a href="/software/S0171"> Felismus </a> </td> <td> <a href="/software/S0171">Felismus</a> collects the current username and sends it to the C2 server.<span onclick=scrollToRef('scite-68') id="scite-ref-68-a" class="scite-citeref-number" title="Somerville, L. and Toro, A. (2017, March 30). Playing Cat & Mouse: Introducing the Felismus Malware. Retrieved November 16, 2017."data-reference="Forcepoint Felismus Mar 2017"><a href="https://blogs.forcepoint.com/security-labs/playing-cat-mouse-introducing-felismus-malware" target="_blank" data-hasqtip="67" aria-describedby="qtip-67">[68]</a> </td> </tr> <tr> <td> <a href="/software/S0267"> S0267 </a> </td> <td> <a href="/software/S0267"> FELIXROOT </a> </td> <td> <a href="/software/S0267">FELIXROOT</a> collects the username from the victim’s machine.<span onclick=scrollToRef('scite-69') id="scite-ref-69-a" class="scite-citeref-number" title="Patil, S. (2018, June 26). Microsoft Office Vulnerabilities Used to Distribute FELIXROOT Backdoor in Recent Campaign. Retrieved July 31, 2018."data-reference="FireEye FELIXROOT July 2018"><a href="https://www.fireeye.com/blog/threat-research/2018/07/microsoft-office-vulnerabilities-used-to-distribute-felixroot-backdoor.html" target="_blank" data-hasqtip="68" aria-describedby="qtip-68">[69]</a><span onclick=scrollToRef('scite-70') id="scite-ref-70-a" class="scite-citeref-number" title="Cherepanov, A. (2018, October). GREYENERGY A successor to BlackEnergy. Retrieved November 15, 2018."data-reference="ESET GreyEnergy Oct 2018"><a href="https://www.welivesecurity.com/wp-content/uploads/2018/10/ESET_GreyEnergy.pdf" target="_blank" data-hasqtip="69" aria-describedby="qtip-69">[70]</a> </td> </tr> <tr> <td> <a href="/groups/G0051"> G0051 </a> </td> <td> <a href="/groups/G0051"> FIN10 </a> </td> <td> <a href="/groups/G0051">FIN10</a> has used Meterpreter to enumerate users on remote systems.<span onclick=scrollToRef('scite-71') id="scite-ref-71-a" class="scite-citeref-number" title="FireEye iSIGHT Intelligence. (2017, June 16). FIN10: Anatomy of a Cyber Extortion Operation. Retrieved June 25, 2017."data-reference="FireEye FIN10 June 2017"><a href="https://www2.fireeye.com/rs/848-DID-242/images/rpt-fin10.pdf" target="_blank" data-hasqtip="70" aria-describedby="qtip-70">[71]</a> </td> </tr> <tr> <td> <a href="/groups/G0046"> G0046 </a> </td> <td> <a href="/groups/G0046"> FIN7 </a> </td> <td> <a href="/groups/G0046">FIN7</a> has used the command <code>cmd.exe /C quser</code> to collect user session information.<span onclick=scrollToRef('scite-72') id="scite-ref-72-a" class="scite-citeref-number" title="Abdo, B., et al. (2022, April 4). FIN7 Power Hour: Adversary Archaeology and the Evolution of FIN7. Retrieved April 5, 2022."data-reference="Mandiant FIN7 Apr 2022"><a href="https://www.mandiant.com/resources/evolution-of-fin7" target="_blank" data-hasqtip="71" aria-describedby="qtip-71">[72]</a> </td> </tr> <tr> <td> <a href="/groups/G0061"> G0061 </a> </td> <td> <a href="/groups/G0061"> FIN8 </a> </td> <td> <a href="/groups/G0061">FIN8</a> has executed the command <code>quser</code> to display the session details of a compromised machine.<span onclick=scrollToRef('scite-73') id="scite-ref-73-a" class="scite-citeref-number" title="Symantec Threat Hunter Team. (2023, July 18). FIN8 Uses Revamped Sardonic Backdoor to Deliver Noberus Ransomware. Retrieved August 9, 2023."data-reference="Symantec FIN8 Jul 2023"><a href="https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/syssphinx-fin8-backdoor" target="_blank" data-hasqtip="72" aria-describedby="qtip-72">[73]</a> </td> </tr> <tr> <td> <a href="/software/S0696"> S0696 </a> </td> <td> <a href="/software/S0696"> Flagpro </a> </td> <td> <a href="/software/S0696">Flagpro</a> has been used to run the <code>whoami</code> command on the system.<span onclick=scrollToRef('scite-74') id="scite-ref-74-a" class="scite-citeref-number" title="Hada, H. (2021, December 28). Flagpro The new malware used by BlackTech. Retrieved March 25, 2022."data-reference="NTT Security Flagpro new December 2021"><a href="https://insight-jp.nttsecurity.com/post/102hf3q/flagpro-the-new-malware-used-by-blacktech" target="_blank" data-hasqtip="73" aria-describedby="qtip-73">[74]</a> </td> </tr> <tr> <td> <a href="/software/S0381"> S0381 </a> </td> <td> <a href="/software/S0381"> FlawedAmmyy </a> </td> <td> <a href="/software/S0381">FlawedAmmyy</a> enumerates the current user during the initial infection.<span onclick=scrollToRef('scite-75') id="scite-ref-75-a" class="scite-citeref-number" title="Proofpoint Staff. (2018, March 7). Leaked Ammyy Admin Source Code Turned into Malware. Retrieved May 28, 2019."data-reference="Proofpoint TA505 Mar 2018"><a href="https://www.proofpoint.com/us/threat-insight/post/leaked-ammyy-admin-source-code-turned-malware" target="_blank" data-hasqtip="74" aria-describedby="qtip-74">[75]</a><span onclick=scrollToRef('scite-76') id="scite-ref-76-a" class="scite-citeref-number" title="Financial Security Institute. (2020, February 28). Profiling of TA505 Threat Group That Continues to Attack the Financial Sector. Retrieved July 14, 2022."data-reference="Korean FSI TA505 2020"><a href="https://www.fsec.or.kr/user/bbs/fsec/163/344/bbsDataView/1382.do?page=1&column=&search=&searchSDate=&searchEDate=&bbsDataCategory=" target="_blank" data-hasqtip="75" aria-describedby="qtip-75">[76]</a> </td> </tr> <tr> <td> <a href="/campaigns/C0001"> C0001 </a> </td> <td> <a href="/campaigns/C0001"> Frankenstein </a> </td> <td> During <a href="https://attack.mitre.org/campaigns/C0001">Frankenstein</a>, the threat actors used <a href="/software/S0363">Empire</a> to enumerate hosts and gather username, machine name, and administrative permissions information.<span onclick=scrollToRef('scite-63') id="scite-ref-63-a" class="scite-citeref-number" title="Adamitis, D. et al. (2019, June 4). It's alive: Threat actors cobble together open-source pieces into monstrous Frankenstein campaign. Retrieved May 11, 2020."data-reference="Talos Frankenstein June 2019"><a href="https://blog.talosintelligence.com/2019/06/frankenstein-campaign.html" target="_blank" data-hasqtip="62" aria-describedby="qtip-62">[63]</a> </td> </tr> <tr> <td> <a href="/software/S1044"> S1044 </a> </td> <td> <a href="/software/S1044"> FunnyDream </a> </td> <td> <a href="/software/S1044">FunnyDream</a> has the ability to gather user information from the targeted system using <code>whoami/upn&whoami/fqdn&whoami/logonid&whoami/all</code>.<span onclick=scrollToRef('scite-77') id="scite-ref-77-a" class="scite-citeref-number" title="Vrabie, V. (2020, November). Dissecting a Chinese APT Targeting South Eastern Asian Government Institutions. Retrieved September 19, 2022."data-reference="Bitdefender FunnyDream Campaign November 2020"><a href="https://www.bitdefender.com/files/News/CaseStudies/study/379/Bitdefender-Whitepaper-Chinese-APT.pdf" target="_blank" data-hasqtip="76" aria-describedby="qtip-76">[77]</a> </td> </tr> <tr> <td> <a href="/groups/G0093"> G0093 </a> </td> <td> <a href="/groups/G0093"> GALLIUM </a> </td> <td> <a href="/groups/G0093">GALLIUM</a> used <code>whoami</code> and <code>query user</code> to obtain information about the victim user.<span onclick=scrollToRef('scite-78') id="scite-ref-78-a" class="scite-citeref-number" title="Cybereason Nocturnus. (2019, June 25). Operation Soft Cell: A Worldwide Campaign Against Telecommunications Providers. Retrieved July 18, 2019."data-reference="Cybereason Soft Cell June 2019"><a href="https://www.cybereason.com/blog/operation-soft-cell-a-worldwide-campaign-against-telecommunications-providers" target="_blank" data-hasqtip="77" aria-describedby="qtip-77">[78]</a> </td> </tr> <tr> <td> <a href="/groups/G0047"> G0047 </a> </td> <td> <a href="/groups/G0047"> Gamaredon Group </a> </td> <td> A <a href="/groups/G0047">Gamaredon Group</a> file stealer can gather the victim's username to send to a C2 server.<span onclick=scrollToRef('scite-79') id="scite-ref-79-a" class="scite-citeref-number" title="Kasza, A. and Reichel, D. (2017, February 27). The Gamaredon Group Toolset Evolution. Retrieved March 1, 2017."data-reference="Palo Alto Gamaredon Feb 2017"><a href="https://researchcenter.paloaltonetworks.com/2017/02/unit-42-title-gamaredon-group-toolset-evolution/" target="_blank" data-hasqtip="78" aria-describedby="qtip-78">[79]</a> </td> </tr> <tr> <td> <a href="/software/S0168"> S0168 </a> </td> <td> <a href="/software/S0168"> Gazer </a> </td> <td> <a href="/software/S0168">Gazer</a> obtains the current user's security identifier.<span onclick=scrollToRef('scite-80') id="scite-ref-80-a" class="scite-citeref-number" title="Kaspersky Lab's Global Research & Analysis Team. (2017, August 30). Introducing WhiteBear. Retrieved September 21, 2017."data-reference="Securelist WhiteBear Aug 2017"><a href="https://securelist.com/introducing-whitebear/81638/" target="_blank" data-hasqtip="79" aria-describedby="qtip-79">[80]</a> </td> </tr> <tr> <td> <a href="/software/S0666"> S0666 </a> </td> <td> <a href="/software/S0666"> Gelsemium </a> </td> <td> <a href="/software/S0666">Gelsemium</a> has the ability to distinguish between a standard user and an administrator on a compromised host.<span onclick=scrollToRef('scite-42') id="scite-ref-42-a" class="scite-citeref-number" title="Dupuy, T. and Faou, M. (2021, June). Gelsemium. Retrieved November 30, 2021."data-reference="ESET Gelsemium June 2021"><a href="https://www.welivesecurity.com/wp-content/uploads/2021/06/eset_gelsemium.pdf" target="_blank" data-hasqtip="41" aria-describedby="qtip-41">[42]</a> </td> </tr> <tr> <td> <a href="/software/S0460"> S0460 </a> </td> <td> <a href="/software/S0460"> Get2 </a> </td> <td> <a href="/software/S0460">Get2</a> has the ability to identify the current username of an infected host.<span onclick=scrollToRef('scite-81') id="scite-ref-81-a" class="scite-citeref-number" title="Schwarz, D. et al. (2019, October 16). TA505 Distributes New SDBbot Remote Access Trojan with Get2 Downloader. Retrieved May 29, 2020."data-reference="Proofpoint TA505 October 2019"><a href="https://www.proofpoint.com/us/threat-insight/post/ta505-distributes-new-sdbbot-remote-access-trojan-get2-downloader" target="_blank" data-hasqtip="80" aria-describedby="qtip-80">[81]</a> </td> </tr> <tr> <td> <a href="/software/S0249"> S0249 </a> </td> <td> <a href="/software/S0249"> Gold Dragon </a> </td> <td> <a href="/software/S0249">Gold Dragon</a> collects the endpoint victim's username and uses it as a basis for downloading additional components from the C2 server.<span onclick=scrollToRef('scite-82') id="scite-ref-82-a" class="scite-citeref-number" title="Sherstobitoff, R., Saavedra-Morales, J. (2018, February 02). Gold Dragon Widens Olympics Malware Attacks, Gains Permanent Presence on Victims’ Systems. Retrieved June 6, 2018."data-reference="McAfee Gold Dragon"><a href="https://www.mcafee.com/blogs/other-blogs/mcafee-labs/gold-dragon-widens-olympics-malware-attacks-gains-permanent-presence-on-victims-systems/" target="_blank" data-hasqtip="81" aria-describedby="qtip-81">[82]</a> </td> </tr> <tr> <td> <a href="/software/S0477"> S0477 </a> </td> <td> <a href="/software/S0477"> Goopy </a> </td> <td> <a href="/software/S0477">Goopy</a> has the ability to enumerate the infected system's user name.<span onclick=scrollToRef('scite-13') id="scite-ref-13-a" class="scite-citeref-number" title="Dahan, A. (2017). Operation Cobalt Kitty. Retrieved December 27, 2018."data-reference="Cybereason Cobalt Kitty 2017"><a href="https://cdn2.hubspot.net/hubfs/3354902/Cybereason%20Labs%20Analysis%20Operation%20Cobalt%20Kitty.pdf" target="_blank" data-hasqtip="12" aria-describedby="qtip-12">[13]</a> </td> </tr> <tr> <td> <a href="/software/S0531"> S0531 </a> </td> <td> <a href="/software/S0531"> Grandoreiro </a> </td> <td> <a href="/software/S0531">Grandoreiro</a> can collect the username from the victim's machine.<span onclick=scrollToRef('scite-83') id="scite-ref-83-a" class="scite-citeref-number" title="ESET. (2020, April 28). Grandoreiro: How engorged can an EXE get?. Retrieved November 13, 2020."data-reference="ESET Grandoreiro April 2020"><a href="https://www.welivesecurity.com/2020/04/28/grandoreiro-how-engorged-can-exe-get/" target="_blank" data-hasqtip="82" aria-describedby="qtip-82">[83]</a> </td> </tr> <tr> <td> <a href="/software/S0237"> S0237 </a> </td> <td> <a href="/software/S0237"> GravityRAT </a> </td> <td> <a href="/software/S0237">GravityRAT</a> collects the victim username along with other account information (account type, description, full name, SID and status).<span onclick=scrollToRef('scite-84') id="scite-ref-84-a" class="scite-citeref-number" title="Mercer, W., Rascagneres, P. (2018, April 26). GravityRAT - The Two-Year Evolution Of An APT Targeting India. Retrieved May 16, 2018."data-reference="Talos GravityRAT"><a href="https://blog.talosintelligence.com/2018/04/gravityrat-two-year-evolution-of-apt.html" target="_blank" data-hasqtip="83" aria-describedby="qtip-83">[84]</a> </td> </tr> <tr> <td> <a href="/software/S0632"> S0632 </a> </td> <td> <a href="/software/S0632"> GrimAgent </a> </td> <td> <a href="/software/S0632">GrimAgent</a> can identify the user id on a target machine.<span onclick=scrollToRef('scite-85') id="scite-ref-85-a" class="scite-citeref-number" title="Priego, A. (2021, July). THE BROTHERS GRIM: THE REVERSING TALE OF GRIMAGENT MALWARE USED BY RYUK. Retrieved September 19, 2024."data-reference="Group IB GrimAgent July 2021"><a href="https://www.group-ib.com/blog/grimagent/" target="_blank" data-hasqtip="84" aria-describedby="qtip-84">[85]</a> </td> </tr> <tr> <td> <a href="/groups/G0125"> G0125 </a> </td> <td> <a href="/groups/G0125"> HAFNIUM </a> </td> <td> <a href="/groups/G0125">HAFNIUM</a> has used <code>whoami</code> to gather user information.<span onclick=scrollToRef('scite-86') id="scite-ref-86-a" class="scite-citeref-number" title="Eoin Miller. (2021, March 23). Defending Against the Zero Day: Analyzing Attacker Behavior Post-Exploitation of Microsoft Exchange. Retrieved October 27, 2022."data-reference="Rapid7 HAFNIUM Mar 2021"><a href="https://www.rapid7.com/blog/post/2021/03/23/defending-against-the-zero-day-analyzing-attacker-behavior-post-exploitation-of-microsoft-exchange/" target="_blank" data-hasqtip="85" aria-describedby="qtip-85">[86]</a> </td> </tr> <tr> <td> <a href="/software/S0214"> S0214 </a> </td> <td> <a href="/software/S0214"> HAPPYWORK </a> </td> <td> can collect the victim user name.<span onclick=scrollToRef('scite-87') id="scite-ref-87-a" class="scite-citeref-number" title="FireEye. (2018, February 20). APT37 (Reaper): The Overlooked North Korean Actor. Retrieved March 1, 2018."data-reference="FireEye APT37 Feb 2018"><a href="https://www2.fireeye.com/rs/848-DID-242/images/rpt_APT37.pdf" target="_blank" data-hasqtip="86" aria-describedby="qtip-86">[87]</a> </td> </tr> <tr> <td> <a href="/software/S0391"> S0391 </a> </td> <td> <a href="/software/S0391"> HAWKBALL </a> </td> <td> <a href="/software/S0391">HAWKBALL</a> can collect the user name of the system.<span onclick=scrollToRef('scite-88') id="scite-ref-88-a" class="scite-citeref-number" title="Patil, S. and Williams, M.. (2019, June 5). Government Sector in Central Asia Targeted With New HAWKBALL Backdoor Delivered via Microsoft Office Vulnerabilities. Retrieved June 20, 2019."data-reference="FireEye HAWKBALL Jun 2019"><a href="https://www.fireeye.com/blog/threat-research/2019/06/government-in-central-asia-targeted-with-hawkball-backdoor.html" target="_blank" data-hasqtip="87" aria-describedby="qtip-87">[88]</a> </td> </tr> <tr> <td> <a href="/groups/G1001"> G1001 </a> </td> <td> <a href="/groups/G1001"> HEXANE </a> </td> <td> <a href="/groups/G1001">HEXANE</a> has run <code>whoami</code> on compromised machines to identify the current user.<span onclick=scrollToRef('scite-89') id="scite-ref-89-a" class="scite-citeref-number" title="Kayal, A. et al. (2021, October). LYCEUM REBORN: COUNTERINTELLIGENCE IN THE MIDDLE EAST. Retrieved June 14, 2022."data-reference="Kaspersky Lyceum October 2021"><a href="https://vblocalhost.com/uploads/VB2021-Kayal-etal.pdf" target="_blank" data-hasqtip="88" aria-describedby="qtip-88">[89]</a> </td> </tr> <tr> <td> <a href="/software/S0431"> S0431 </a> </td> <td> <a href="/software/S0431"> HotCroissant </a> </td> <td> <a href="/software/S0431">HotCroissant</a> has the ability to collect the username on the infected host.<span onclick=scrollToRef('scite-90') id="scite-ref-90-a" class="scite-citeref-number" title="Knight, S.. (2020, April 16). VMware Carbon Black TAU Threat Analysis: The Evolution of Lazarus. Retrieved May 1, 2020."data-reference="Carbon Black HotCroissant April 2020"><a href="https://www.carbonblack.com/2020/04/16/vmware-carbon-black-tau-threat-analysis-the-evolution-of-lazarus/" target="_blank" data-hasqtip="89" aria-describedby="qtip-89">[90]</a> </td> </tr> <tr> <td> <a href="/software/S0260"> S0260 </a> </td> <td> <a href="/software/S0260"> InvisiMole </a> </td> <td> <a href="/software/S0260">InvisiMole</a> lists local users and session information.<span onclick=scrollToRef('scite-91') id="scite-ref-91-a" class="scite-citeref-number" title="Hromcová, Z. (2018, June 07). InvisiMole: Surprisingly equipped spyware, undercover since 2013. Retrieved July 10, 2018."data-reference="ESET InvisiMole June 2018"><a href="https://www.welivesecurity.com/2018/06/07/invisimole-equipped-spyware-undercover/" target="_blank" data-hasqtip="90" aria-describedby="qtip-90">[91]</a> </td> </tr> <tr> <td> <a href="/software/S0015"> S0015 </a> </td> <td> <a href="/software/S0015"> Ixeshe </a> </td> <td> <a href="/software/S0015">Ixeshe</a> collects the username from the victim’s machine.<span onclick=scrollToRef('scite-92') id="scite-ref-92-a" class="scite-citeref-number" title="Sancho, D., et al. (2012, May 22). IXESHE An APT Campaign. Retrieved June 7, 2019."data-reference="Trend Micro IXESHE 2012"><a href="https://www.trendmicro.de/cloud-content/us/pdfs/security-intelligence/white-papers/wp_ixeshe.pdf" target="_blank" data-hasqtip="91" aria-describedby="qtip-91">[92]</a> </td> </tr> <tr> <td> <a href="/software/S0201"> S0201 </a> </td> <td> <a href="/software/S0201"> JPIN </a> </td> <td> <a href="/software/S0201">JPIN</a> can obtain the victim user name.<span onclick=scrollToRef('scite-93') id="scite-ref-93-a" class="scite-citeref-number" title="Windows Defender Advanced Threat Hunting Team. (2016, April 29). PLATINUM: Targeted attacks in South and Southeast Asia. Retrieved February 15, 2018."data-reference="Microsoft PLATINUM April 2016"><a href="https://download.microsoft.com/download/2/2/5/225BFE3E-E1DE-4F5B-A77B-71200928D209/Platinum%20feature%20article%20-%20Targeted%20attacks%20in%20South%20and%20Southeast%20Asia%20April%202016.pdf" target="_blank" data-hasqtip="92" aria-describedby="qtip-92">[93]</a> </td> </tr> <tr> <td> <a href="/software/S0265"> S0265 </a> </td> <td> <a href="/software/S0265"> Kazuar </a> </td> <td> <a href="/software/S0265">Kazuar</a> gathers information on users.<span onclick=scrollToRef('scite-94') id="scite-ref-94-a" class="scite-citeref-number" title="Levene, B, et al. (2017, May 03). Kazuar: Multiplatform Espionage Backdoor with API Access. Retrieved July 17, 2018."data-reference="Unit 42 Kazuar May 2017"><a href="https://researchcenter.paloaltonetworks.com/2017/05/unit42-kazuar-multiplatform-espionage-backdoor-api-access/" target="_blank" data-hasqtip="93" aria-describedby="qtip-93">[94]</a> </td> </tr> <tr> <td> <a href="/groups/G0004"> G0004 </a> </td> <td> <a href="/groups/G0004"> Ke3chang </a> </td> <td> <a href="/groups/G0004">Ke3chang</a> has used implants capable of collecting the signed-in username.<span onclick=scrollToRef('scite-95') id="scite-ref-95-a" class="scite-citeref-number" title="MSTIC. (2021, December 6). NICKEL targeting government organizations across Latin America and Europe. Retrieved March 18, 2022."data-reference="Microsoft NICKEL December 2021"><a href="https://www.microsoft.com/security/blog/2021/12/06/nickel-targeting-government-organizations-across-latin-america-and-europe" target="_blank" data-hasqtip="94" aria-describedby="qtip-94">[95]</a> </td> </tr> <tr> <td> <a href="/software/S0250"> S0250 </a> </td> <td> <a href="/software/S0250"> Koadic </a> </td> <td> <a href="/software/S0250">Koadic</a> can identify logged in users across the domain and views user sessions.<a href="https://github.com/offsecginger/koadic" target="_blank" data-hasqtip="95" aria-describedby="qtip-95">[96]</a><span onclick=scrollToRef('scite-97') id="scite-ref-97-a" class="scite-citeref-number" title="Jazi, H. (2021, February). LazyScripter: From Empire to double RAT. Retrieved November 24, 2021."data-reference="MalwareBytes LazyScripter Feb 2021"><a href="https://www.malwarebytes.com/resources/files/2021/02/lazyscripter.pdf" target="_blank" data-hasqtip="96" aria-describedby="qtip-96">[97]</a> </td> </tr> <tr> <td> <a href="/software/S0162"> S0162 </a> </td> <td> <a href="/software/S0162"> Komplex </a> </td> <td> The OsInfo function in <a href="/software/S0162">Komplex</a> collects the current running username.<span onclick=scrollToRef('scite-98') id="scite-ref-98-a" class="scite-citeref-number" title="Dani Creus, Tyler Halfpop, Robert Falcone. (2016, September 26). Sofacy's 'Komplex' OS X Trojan. Retrieved July 8, 2017."data-reference="Sofacy Komplex Trojan"><a href="https://researchcenter.paloaltonetworks.com/2016/09/unit42-sofacys-komplex-os-x-trojan/" target="_blank" data-hasqtip="97" aria-describedby="qtip-97">[98]</a> </td> </tr> <tr> <td> <a href="/software/S0356"> S0356 </a> </td> <td> <a href="/software/S0356"> KONNI </a> </td> <td> <a href="/software/S0356">KONNI</a> can collect the username from the victim’s machine.<span onclick=scrollToRef('scite-99') id="scite-ref-99-a" class="scite-citeref-number" title="Rascagneres, P. (2017, May 03). KONNI: A Malware Under The Radar For Years. Retrieved November 5, 2018."data-reference="Talos Konni May 2017"><a href="https://blog.talosintelligence.com/2017/05/konni-malware-under-radar-for-years.html" target="_blank" data-hasqtip="98" aria-describedby="qtip-98">[99]</a> </td> </tr> <tr> <td> <a href="/software/S1075"> S1075 </a> </td> <td> <a href="/software/S1075"> KOPILUWAK </a> </td> <td> <a href="/software/S1075">KOPILUWAK</a> can conduct basic network reconnaissance on the victim machine with <code>whoami</code>, to get user details.<span onclick=scrollToRef('scite-100') id="scite-ref-100-a" class="scite-citeref-number" title="Hawley, S. et al. (2023, February 2). Turla: A Galaxy of Opportunity. Retrieved May 15, 2023."data-reference="Mandiant Suspected Turla Campaign February 2023"><a href="https://www.mandiant.com/resources/blog/turla-galaxy-opportunity" target="_blank" data-hasqtip="99" aria-describedby="qtip-99">[100]</a> </td> </tr> <tr> <td> <a href="/software/S0236"> S0236 </a> </td> <td> <a href="/software/S0236"> Kwampirs </a> </td> <td> <a href="/software/S0236">Kwampirs</a> collects registered owner details by using the commands <code>systeminfo</code> and <code>net config workstation</code>.<span onclick=scrollToRef('scite-101') id="scite-ref-101-a" class="scite-citeref-number" title="Symantec Security Response Attack Investigation Team. (2018, April 23). New Orangeworm attack group targets the healthcare sector in the U.S., Europe, and Asia. Retrieved May 8, 2018."data-reference="Symantec Orangeworm April 2018"><a href="https://www.symantec.com/blogs/threat-intelligence/orangeworm-targets-healthcare-us-europe-asia" target="_blank" data-hasqtip="100" aria-describedby="qtip-100">[101]</a> </td> </tr> <tr> <td> <a href="/software/S1160"> S1160 </a> </td> <td> <a href="/software/S1160"> Latrodectus </a> </td> <td> <a href="/software/S1160">Latrodectus</a> can discover the username of an infected host.<span onclick=scrollToRef('scite-102') id="scite-ref-102-a" class="scite-citeref-number" title="Stepanic, D. and Bousseaden, S. (2024, May 15). Spring Cleaning with LATRODECTUS: A Potential Replacement for ICEDID. Retrieved September 13, 2024."data-reference="Elastic Latrodectus May 2024"><a href="https://www.elastic.co/security-labs/spring-cleaning-with-latrodectus" target="_blank" data-hasqtip="101" aria-describedby="qtip-101">[102]</a> </td> </tr> <tr> <td> <a href="/groups/G0032"> G0032 </a> </td> <td> <a href="/groups/G0032"> Lazarus Group </a> </td> <td> Various <a href="/groups/G0032">Lazarus Group</a> malware enumerates logged-on users.<span onclick=scrollToRef('scite-103') id="scite-ref-103-a" class="scite-citeref-number" title="Novetta Threat Research Group. (2016, February 24). Operation Blockbuster: Unraveling the Long Thread of the Sony Attack. Retrieved February 25, 2016."data-reference="Novetta Blockbuster"><a href="https://web.archive.org/web/20160226161828/https://www.operationblockbuster.com/wp-content/uploads/2016/02/Operation-Blockbuster-Report.pdf" target="_blank" data-hasqtip="102" aria-describedby="qtip-102">[103]</a><span onclick=scrollToRef('scite-104') id="scite-ref-104-a" class="scite-citeref-number" title="Novetta Threat Research Group. (2016, February 24). Operation Blockbuster: Destructive Malware Report. Retrieved March 2, 2016."data-reference="Novetta Blockbuster Destructive Malware"><a href="https://web.archive.org/web/20160303200515/https://operationblockbuster.com/wp-content/uploads/2016/02/Operation-Blockbuster-Destructive-Malware-Report.pdf" target="_blank" data-hasqtip="103" aria-describedby="qtip-103">[104]</a><span onclick=scrollToRef('scite-105') id="scite-ref-105-a" class="scite-citeref-number" title="Novetta Threat Research Group. (2016, February 24). Operation Blockbuster: Loaders, Installers and Uninstallers Report. Retrieved March 2, 2016."data-reference="Novetta Blockbuster Loaders"><a href="https://operationblockbuster.com/wp-content/uploads/2016/02/Operation-Blockbuster-Loaders-Installers-and-Uninstallers-Report.pdf" target="_blank" data-hasqtip="104" aria-describedby="qtip-104">[105]</a><span onclick=scrollToRef('scite-106') id="scite-ref-106-a" class="scite-citeref-number" title="Novetta Threat Research Group. (2016, February 24). Operation Blockbuster: Remote Administration Tools & Content Staging Malware Report. Retrieved March 16, 2016."data-reference="Novetta Blockbuster RATs"><a href="https://web.archive.org/web/20220608001455/https://www.operationblockbuster.com/wp-content/uploads/2016/02/Operation-Blockbuster-RAT-and-Staging-Report.pdf" target="_blank" data-hasqtip="105" aria-describedby="qtip-105">[106]</a><span onclick=scrollToRef('scite-107') id="scite-ref-107-a" class="scite-citeref-number" title="Sherstobitoff, R. (2018, February 12). Lazarus Resurfaces, Targets Global Banks and Bitcoin Users. Retrieved February 19, 2018."data-reference="McAfee Lazarus Resurfaces Feb 2018"><a href="https://www.mcafee.com/blogs/other-blogs/mcafee-labs/lazarus-resurfaces-targets-global-banks-bitcoin-users/" target="_blank" data-hasqtip="106" aria-describedby="qtip-106">[107]</a><span onclick=scrollToRef('scite-49') id="scite-ref-49-a" class="scite-citeref-number" title="Stokes, P. (2020, July 27). Four Distinct Families of Lazarus Malware Target Apple’s macOS Platform. Retrieved August 7, 2020."data-reference="SentinelOne Lazarus macOS July 2020"><a href="https://www.sentinelone.com/blog/four-distinct-families-of-lazarus-malware-target-apples-macos-platform/" target="_blank" data-hasqtip="48" aria-describedby="qtip-48">[49]</a><span onclick=scrollToRef('scite-108') id="scite-ref-108-a" class="scite-citeref-number" title="Saini, A. and Hossein, J. (2022, January 27). North Korea’s Lazarus APT leverages Windows Update client, GitHub in latest campaign. Retrieved January 27, 2022."data-reference="Lazarus APT January 2022"><a href="https://blog.malwarebytes.com/threat-intelligence/2022/01/north-koreas-lazarus-apt-leverages-windows-update-client-github-in-latest-campaign/" target="_blank" data-hasqtip="107" aria-describedby="qtip-107">[108]</a> </td> </tr> <tr> <td> <a href="/software/S0362"> S0362 </a> </td> <td> <a href="/software/S0362"> Linux Rabbit </a> </td> <td> <a href="/software/S0362">Linux Rabbit</a> opens a socket on port 22 and if it receives a response it attempts to obtain the machine's hostname and Top-Level Domain. <span onclick=scrollToRef('scite-109') id="scite-ref-109-a" class="scite-citeref-number" title="Anomali Labs. (2018, December 6). Pulling Linux Rabbit/Rabbot Malware Out of a Hat. Retrieved March 4, 2019."data-reference="Anomali Linux Rabbit 2018"><a href="https://www.anomali.com/blog/pulling-linux-rabbit-rabbot-malware-out-of-a-hat" target="_blank" data-hasqtip="108" aria-describedby="qtip-108">[109]</a> </td> </tr> <tr> <td> <a href="/software/S0513"> S0513 </a> </td> <td> <a href="/software/S0513"> LiteDuke </a> </td> <td> <a href="/software/S0513">LiteDuke</a> can enumerate the account name on a targeted system.<span onclick=scrollToRef('scite-110') id="scite-ref-110-a" class="scite-citeref-number" title="Faou, M., Tartare, M., Dupuy, T. (2019, October). OPERATION GHOST. Retrieved September 23, 2020."data-reference="ESET Dukes October 2019"><a href="https://www.welivesecurity.com/wp-content/uploads/2019/10/ESET_Operation_Ghost_Dukes.pdf" target="_blank" data-hasqtip="109" aria-describedby="qtip-109">[110]</a> </td> </tr> <tr> <td> <a href="/software/S0680"> S0680 </a> </td> <td> <a href="/software/S0680"> LitePower </a> </td> <td> <a href="/software/S0680">LitePower</a> can determine if the current user has admin privileges.<span onclick=scrollToRef('scite-111') id="scite-ref-111-a" class="scite-citeref-number" title="Yamout, M. (2021, November 29). WIRTE’s campaign in the Middle East ‘living off the land’ since at least 2019. Retrieved February 1, 2022."data-reference="Kaspersky WIRTE November 2021"><a href="https://securelist.com/wirtes-campaign-in-the-middle-east-living-off-the-land-since-at-least-2019/105044" target="_blank" data-hasqtip="110" aria-describedby="qtip-110">[111]</a> </td> </tr> <tr> <td> <a href="/software/S0681"> S0681 </a> </td> <td> <a href="/software/S0681"> Lizar </a> </td> <td> <a href="/software/S0681">Lizar</a> can collect the username from the system.<span onclick=scrollToRef('scite-112') id="scite-ref-112-a" class="scite-citeref-number" title="BI.ZONE Cyber Threats Research Team. (2021, May 13). From pentest to APT attack: cybercriminal group FIN7 disguises its malware as an ethical hacker’s toolkit. Retrieved February 2, 2022."data-reference="BiZone Lizar May 2021"><a href="https://bi-zone.medium.com/from-pentest-to-apt-attack-cybercriminal-group-fin7-disguises-its-malware-as-an-ethical-hackers-c23c9a75e319" target="_blank" data-hasqtip="111" aria-describedby="qtip-111">[112]</a> </td> </tr> <tr> <td> <a href="/software/S0447"> S0447 </a> </td> <td> <a href="/software/S0447"> Lokibot </a> </td> <td> <a href="/software/S0447">Lokibot</a> has the ability to discover the username on the infected host.<span onclick=scrollToRef('scite-113') id="scite-ref-113-a" class="scite-citeref-number" title="Kazem, M. (2019, November 25). Trojan:W32/Lokibot. Retrieved May 15, 2020."data-reference="FSecure Lokibot November 2019"><a href="https://www.f-secure.com/v-descs/trojan_w32_lokibot.shtml" target="_blank" data-hasqtip="112" aria-describedby="qtip-112">[113]</a> </td> </tr> <tr> <td> <a href="/software/S0532"> S0532 </a> </td> <td> <a href="/software/S0532"> Lucifer </a> </td> <td> <a href="/software/S0532">Lucifer</a> has the ability to identify the username on a compromised host.<span onclick=scrollToRef('scite-114') id="scite-ref-114-a" class="scite-citeref-number" title="Hsu, K. et al. (2020, June 24). Lucifer: New Cryptojacking and DDoS Hybrid Malware Exploiting High and Critical Vulnerabilities to Infect Windows Devices. Retrieved November 16, 2020."data-reference="Unit 42 Lucifer June 2020"><a href="https://unit42.paloaltonetworks.com/lucifer-new-cryptojacking-and-ddos-hybrid-malware/" target="_blank" data-hasqtip="113" aria-describedby="qtip-113">[114]</a> </td> </tr> <tr> <td> <a href="/groups/G1014"> G1014 </a> </td> <td> <a href="/groups/G1014"> LuminousMoth </a> </td> <td> <a href="/groups/G1014">LuminousMoth</a> has used a malicious DLL to collect the username from compromised hosts.<span onclick=scrollToRef('scite-115') id="scite-ref-115-a" class="scite-citeref-number" title="Botezatu, B and etl. (2021, July 21). LuminousMoth - PlugX, File Exfiltration and Persistence Revisited. Retrieved October 20, 2022."data-reference="Bitdefender LuminousMoth July 2021"><a href="https://www.bitdefender.com/blog/labs/luminousmoth-plugx-file-exfiltration-and-persistence-revisited" target="_blank" data-hasqtip="114" aria-describedby="qtip-114">[115]</a> </td> </tr> <tr> <td> <a href="/software/S1141"> S1141 </a> </td> <td> <a href="/software/S1141"> LunarWeb </a> </td> <td> <a href="/software/S1141">LunarWeb</a> can collect user information from the targeted host.<span onclick=scrollToRef('scite-116') id="scite-ref-116-a" class="scite-citeref-number" title="Jurčacko, F. (2024, May 15). To the Moon and back(doors): Lunar landing in diplomatic missions. Retrieved June 26, 2024."data-reference="ESET Turla Lunar toolset May 2024"><a href="https://www.welivesecurity.com/en/eset-research/moon-backdoors-lunar-landing-diplomatic-missions/" target="_blank" data-hasqtip="115" aria-describedby="qtip-115">[116]</a> </td> </tr> <tr> <td> <a href="/software/S1016"> S1016 </a> </td> <td> <a href="/software/S1016"> MacMa </a> </td> <td> <a href="/software/S1016">MacMa</a> can collect the username from the compromised machine.<span onclick=scrollToRef('scite-117') id="scite-ref-117-a" class="scite-citeref-number" title="M.Léveillé, M., Cherepanov, A.. (2022, January 25). Watering hole deploys new macOS malware, DazzleSpy, in Asia. Retrieved May 6, 2022."data-reference="ESET DazzleSpy Jan 2022"><a href="https://www.welivesecurity.com/2022/01/25/watering-hole-deploys-new-macos-malware-dazzlespy-asia/" target="_blank" data-hasqtip="116" aria-describedby="qtip-116">[117]</a> </td> </tr> <tr> <td> <a href="/software/S1060"> S1060 </a> </td> <td> <a href="/software/S1060"> Mafalda </a> </td> <td> <a href="/software/S1060">Mafalda</a> can collect the username from a compromised host.<span onclick=scrollToRef('scite-118') id="scite-ref-118-a" class="scite-citeref-number" title="SentinelLabs. (2022, September 22). Metador Technical Appendix. Retrieved April 4, 2023."data-reference="SentinelLabs Metador Technical Appendix Sept 2022"><a href="https://docs.google.com/document/d/1e9ZTW9b71YwFWS_18ZwDAxa-cYbV8q1wUefmKZLYVsA/edit#heading=h.lmnbtht1ikzm" target="_blank" data-hasqtip="117" aria-describedby="qtip-117">[118]</a> </td> </tr> <tr> <td> <a href="/groups/G0059"> G0059 </a> </td> <td> <a href="/groups/G0059"> Magic Hound </a> </td> <td> <a href="/groups/G0059">Magic Hound</a> malware has obtained the victim username and sent it to the C2 server.<span onclick=scrollToRef('scite-119') id="scite-ref-119-a" class="scite-citeref-number" title="Lee, B. and Falcone, R. (2017, February 15). Magic Hound Campaign Attacks Saudi Targets. Retrieved December 27, 2017."data-reference="Unit 42 Magic Hound Feb 2017"><a href="https://researchcenter.paloaltonetworks.com/2017/02/unit42-magic-hound-campaign-attacks-saudi-targets/" target="_blank" data-hasqtip="118" aria-describedby="qtip-118">[119]</a><span onclick=scrollToRef('scite-120') id="scite-ref-120-a" class="scite-citeref-number" title="DFIR Report. (2022, March 21). APT35 Automates Initial Access Using ProxyShell. Retrieved May 25, 2022."data-reference="DFIR Report APT35 ProxyShell March 2022"><a href="https://thedfirreport.com/2022/03/21/apt35-automates-initial-access-using-proxyshell" target="_blank" data-hasqtip="119" aria-describedby="qtip-119">[120]</a><span onclick=scrollToRef('scite-121') id="scite-ref-121-a" class="scite-citeref-number" title="DFIR Report. (2021, November 15). Exchange Exploit Leads to Domain Wide Ransomware. Retrieved January 5, 2023."data-reference="DFIR Phosphorus November 2021"><a href="https://thedfirreport.com/2021/11/15/exchange-exploit-leads-to-domain-wide-ransomware/" target="_blank" data-hasqtip="120" aria-describedby="qtip-120">[121]</a> </td> </tr> <tr> <td> <a href="/software/S0652"> S0652 </a> </td> <td> <a href="/software/S0652"> MarkiRAT </a> </td> <td> <a href="/software/S0652">MarkiRAT</a> can retrieve the victim’s username.<span onclick=scrollToRef('scite-122') id="scite-ref-122-a" class="scite-citeref-number" title="GReAT. (2021, June 16). Ferocious Kitten: 6 Years of Covert Surveillance in Iran. Retrieved September 22, 2021."data-reference="Kaspersky Ferocious Kitten Jun 2021"><a href="https://securelist.com/ferocious-kitten-6-years-of-covert-surveillance-in-iran/102806/" target="_blank" data-hasqtip="121" aria-describedby="qtip-121">[122]</a> </td> </tr> <tr> <td> <a href="/software/S0459"> S0459 </a> </td> <td> <a href="/software/S0459"> MechaFlounder </a> </td> <td> <a href="/software/S0459">MechaFlounder</a> has the ability to identify the username and hostname on a compromised host.<span onclick=scrollToRef('scite-123') id="scite-ref-123-a" class="scite-citeref-number" title="Falcone, R. (2019, March 4). New Python-Based Payload MechaFlounder Used by Chafer. Retrieved May 27, 2020."data-reference="Unit 42 MechaFlounder March 2019"><a href="https://unit42.paloaltonetworks.com/new-python-based-payload-mechaflounder-used-by-chafer/" target="_blank" data-hasqtip="122" aria-describedby="qtip-122">[123]</a> </td> </tr> <tr> <td> <a href="/software/S1059"> S1059 </a> </td> <td> <a href="/software/S1059"> metaMain </a> </td> <td> <a href="/software/S1059">metaMain</a> can collect the username from a compromised host.<span onclick=scrollToRef('scite-118') id="scite-ref-118-a" class="scite-citeref-number" title="SentinelLabs. (2022, September 22). Metador Technical Appendix. Retrieved April 4, 2023."data-reference="SentinelLabs Metador Technical Appendix Sept 2022"><a href="https://docs.google.com/document/d/1e9ZTW9b71YwFWS_18ZwDAxa-cYbV8q1wUefmKZLYVsA/edit#heading=h.lmnbtht1ikzm" target="_blank" data-hasqtip="117" aria-describedby="qtip-117">[118]</a> </td> </tr> <tr> <td> <a href="/software/S0455"> S0455 </a> </td> <td> <a href="/software/S0455"> Metamorfo </a> </td> <td> <a href="/software/S0455">Metamorfo</a> has collected the username from the victim's machine.<span onclick=scrollToRef('scite-124') id="scite-ref-124-a" class="scite-citeref-number" title="ESET Research. (2019, October 3). Casbaneiro: peculiarities of this banking Trojan that affects Brazil and Mexico. Retrieved September 23, 2021."data-reference="ESET Casbaneiro Oct 2019"><a href="https://www.welivesecurity.com/2019/10/03/casbaneiro-trojan-dangerous-cooking/" target="_blank" data-hasqtip="123" aria-describedby="qtip-123">[124]</a> </td> </tr> <tr> <td> <a href="/software/S1146"> S1146 </a> </td> <td> <a href="/software/S1146"> MgBot </a> </td> <td> <a href="/software/S1146">MgBot</a> includes modules for identifying local users and administrators on victim machines.<span onclick=scrollToRef('scite-125') id="scite-ref-125-a" class="scite-citeref-number" title="Threat Hunter Team. (2023, April 20). Daggerfly: APT Actor Targets Telecoms Company in Africa. Retrieved July 25, 2024."data-reference="Symantec Daggerfly 2023"><a href="https://symantec-enterprise-blogs.security.com/threat-intelligence/apt-attacks-telecoms-africa-mgbot" target="_blank" data-hasqtip="124" aria-describedby="qtip-124">[125]</a> </td> </tr> <tr> <td> <a href="/software/S0339"> S0339 </a> </td> <td> <a href="/software/S0339"> Micropsia </a> </td> <td> <a href="/software/S0339">Micropsia</a> collects the username from the victim’s machine.<span onclick=scrollToRef('scite-126') id="scite-ref-126-a" class="scite-citeref-number" title="Rascagneres, P., Mercer, W. (2017, June 19). Delphi Used To Score Against Palestine. Retrieved November 13, 2018."data-reference="Talos Micropsia June 2017"><a href="https://blog.talosintelligence.com/2017/06/palestine-delphi.html" target="_blank" data-hasqtip="125" aria-describedby="qtip-125">[126]</a> </td> </tr> <tr> <td> <a href="/software/S1015"> S1015 </a> </td> <td> <a href="/software/S1015"> Milan </a> </td> <td> <a href="/software/S1015">Milan</a> can identify users registered to a targeted machine.<span onclick=scrollToRef('scite-127') id="scite-ref-127-a" class="scite-citeref-number" title="ClearSky Cyber Security . (2021, August). New Iranian Espionage Campaign By "Siamesekitten" - Lyceum. Retrieved June 6, 2022."data-reference="ClearSky Siamesekitten August 2021"><a href="https://www.clearskysec.com/siamesekitten/" target="_blank" data-hasqtip="126" aria-describedby="qtip-126">[127]</a> </td> </tr> <tr> <td> <a href="/software/S0280"> S0280 </a> </td> <td> <a href="/software/S0280"> MirageFox </a> </td> <td> <a href="/software/S0280">MirageFox</a> can gather the username from the victim’s machine.<span onclick=scrollToRef('scite-128') id="scite-ref-128-a" class="scite-citeref-number" title="Rosenberg, J. (2018, June 14). MirageFox: APT15 Resurfaces With New Tools Based On Old Ones. Retrieved September 21, 2018."data-reference="APT15 Intezer June 2018"><a href="https://web.archive.org/web/20180615122133/https://www.intezer.com/miragefox-apt15-resurfaces-with-new-tools-based-on-old-ones/" target="_blank" data-hasqtip="127" aria-describedby="qtip-127">[128]</a> </td> </tr> <tr> <td> <a href="/software/S0084"> S0084 </a> </td> <td> <a href="/software/S0084"> Mis-Type </a> </td> <td> <a href="/software/S0084">Mis-Type</a> runs tests to determine the privilege level of the compromised user.<span onclick=scrollToRef('scite-129') id="scite-ref-129-a" class="scite-citeref-number" title="Gross, J. (2016, February 23). Operation Dust Storm. Retrieved December 22, 2021."data-reference="Cylance Dust Storm"><a href="https://s7d2.scene7.com/is/content/cylance/prod/cylance-web/en-us/resources/knowledge-center/resource-library/reports/Op_Dust_Storm_Report.pdf" target="_blank" data-hasqtip="128" aria-describedby="qtip-128">[129]</a> </td> </tr> <tr> <td> <a href="/groups/G1036"> G1036 </a> </td> <td> <a href="/groups/G1036"> Moonstone Sleet </a> </td> <td> <a href="/groups/G1036">Moonstone Sleet</a> deployed various malware such as YouieLoader that can perform system user discovery actions.<span onclick=scrollToRef('scite-130') id="scite-ref-130-a" class="scite-citeref-number" title="Microsoft Threat Intelligence. (2024, May 28). Moonstone Sleet emerges as new North Korean threat actor with new bag of tricks. Retrieved August 26, 2024."data-reference="Microsoft Moonstone Sleet 2024"><a href="https://www.microsoft.com/en-us/security/blog/2024/05/28/moonstone-sleet-emerges-as-new-north-korean-threat-actor-with-new-bag-of-tricks/" target="_blank" data-hasqtip="129" aria-describedby="qtip-129">[130]</a> </td> </tr> <tr> <td> <a href="/software/S0149"> S0149 </a> </td> <td> <a href="/software/S0149"> MoonWind </a> </td> <td> <a href="/software/S0149">MoonWind</a> obtains the victim username.<span onclick=scrollToRef('scite-131') id="scite-ref-131-a" class="scite-citeref-number" title="Miller-Osborn, J. and Grunzweig, J.. (2017, March 30). Trochilus and New MoonWind RATs Used In Attack Against Thai Organizations. Retrieved March 30, 2017."data-reference="Palo Alto MoonWind March 2017"><a href="http://researchcenter.paloaltonetworks.com/2017/03/unit42-trochilus-rat-new-moonwind-rat-used-attack-thai-utility-organizations/" target="_blank" data-hasqtip="130" aria-describedby="qtip-130">[131]</a> </td> </tr> <tr> <td> <a href="/software/S0284"> S0284 </a> </td> <td> <a href="/software/S0284"> More_eggs </a> </td> <td> <a href="/software/S0284">More_eggs</a> has the capability to gather the username from the victim's machine.<span onclick=scrollToRef('scite-132') id="scite-ref-132-a" class="scite-citeref-number" title="Svajcer, V. (2018, July 31). Multiple Cobalt Personality Disorder. Retrieved September 5, 2018."data-reference="Talos Cobalt Group July 2018"><a href="https://blog.talosintelligence.com/2018/07/multiple-cobalt-personality-disorder.html" target="_blank" data-hasqtip="131" aria-describedby="qtip-131">[132]</a><span onclick=scrollToRef('scite-133') id="scite-ref-133-a" class="scite-citeref-number" title="Villadsen, O.. (2019, August 29). More_eggs, Anyone? Threat Actor ITG08 Strikes Again. Retrieved September 16, 2019."data-reference="Security Intelligence More Eggs Aug 2019"><a href="https://securityintelligence.com/posts/more_eggs-anyone-threat-actor-itg08-strikes-again/" target="_blank" data-hasqtip="132" aria-describedby="qtip-132">[133]</a> </td> </tr> <tr> <td> <a href="/software/S0256"> S0256 </a> </td> <td> <a href="/software/S0256"> Mosquito </a> </td> <td> <a href="/software/S0256">Mosquito</a> runs <code>whoami</code> on the victim’s machine.<span onclick=scrollToRef('scite-134') id="scite-ref-134-a" class="scite-citeref-number" title="ESET, et al. (2018, January). Diplomats in Eastern Europe bitten by a Turla mosquito. Retrieved July 3, 2018."data-reference="ESET Turla Mosquito Jan 2018"><a href="https://www.welivesecurity.com/wp-content/uploads/2018/01/ESET_Turla_Mosquito.pdf" target="_blank" data-hasqtip="133" aria-describedby="qtip-133">[134]</a> </td> </tr> <tr> <td> <a href="/groups/G0069"> G0069 </a> </td> <td> <a href="/groups/G0069"> MuddyWater </a> </td> <td> <a href="/groups/G0069">MuddyWater</a> has used malware that can collect the victim’s username.<span onclick=scrollToRef('scite-135') id="scite-ref-135-a" class="scite-citeref-number" title="Kaspersky Lab's Global Research & Analysis Team. (2018, October 10). MuddyWater expands operations. Retrieved November 2, 2018."data-reference="Securelist MuddyWater Oct 2018"><a href="https://securelist.com/muddywater/88059/" target="_blank" data-hasqtip="134" aria-describedby="qtip-134">[135]</a><span onclick=scrollToRef('scite-136') id="scite-ref-136-a" class="scite-citeref-number" title="Peretz, A. and Theck, E. (2021, March 5). Earth Vetala – MuddyWater Continues to Target Organizations in the Middle East. Retrieved March 18, 2021."data-reference="Trend Micro Muddy Water March 2021"><a href="https://www.trendmicro.com/en_us/research/21/c/earth-vetala---muddywater-continues-to-target-organizations-in-t.html" target="_blank" data-hasqtip="135" aria-describedby="qtip-135">[136]</a> </td> </tr> <tr> <td> <a href="/software/S0228"> S0228 </a> </td> <td> <a href="/software/S0228"> NanHaiShu </a> </td> <td> <a href="/software/S0228">NanHaiShu</a> collects the username from the victim.<span onclick=scrollToRef('scite-137') id="scite-ref-137-a" class="scite-citeref-number" title="F-Secure Labs. (2016, July). NANHAISHU RATing the South China Sea. Retrieved July 6, 2018."data-reference="fsecure NanHaiShu July 2016"><a href="https://www.f-secure.com/documents/996508/1030745/nanhaishu_whitepaper.pdf" target="_blank" data-hasqtip="136" aria-describedby="qtip-136">[137]</a> </td> </tr> <tr> <td> <a href="/software/S0590"> S0590 </a> </td> <td> <a href="/software/S0590"> NBTscan </a> </td> <td> <a href="/software/S0590">NBTscan</a> can list active users on the system.<span onclick=scrollToRef('scite-138') id="scite-ref-138-a" class="scite-citeref-number" title="Bezroutchko, A. (2019, November 19). NBTscan man page. Retrieved March 17, 2021."data-reference="Debian nbtscan Nov 2019"><a href="https://manpages.debian.org/testing/nbtscan/nbtscan.1.en.html" target="_blank" data-hasqtip="137" aria-describedby="qtip-137">[138]</a><a href="https://sectools.org/tool/nbtscan/" target="_blank" data-hasqtip="138" aria-describedby="qtip-138">[139]</a> </td> </tr> <tr> <td> <a href="/software/S0272"> S0272 </a> </td> <td> <a href="/software/S0272"> NDiskMonitor </a> </td> <td> <a href="/software/S0272">NDiskMonitor</a> obtains the victim username and encrypts the information to send over its C2 channel.<span onclick=scrollToRef('scite-140') id="scite-ref-140-a" class="scite-citeref-number" title="Lunghi, D., et al. (2017, December). Untangling the Patchwork Cyberespionage Group. Retrieved July 10, 2018."data-reference="TrendMicro Patchwork Dec 2017"><a href="https://documents.trendmicro.com/assets/tech-brief-untangling-the-patchwork-cyberespionage-group.pdf" target="_blank" data-hasqtip="139" aria-describedby="qtip-139">[140]</a> </td> </tr> <tr> <td> <a href="/software/S0691"> S0691 </a> </td> <td> <a href="/software/S0691"> Neoichor </a> </td> <td> <a href="/software/S0691">Neoichor</a> can collect the user name from a victim's machine.<span onclick=scrollToRef('scite-95') id="scite-ref-95-a" class="scite-citeref-number" title="MSTIC. (2021, December 6). NICKEL targeting government organizations across Latin America and Europe. Retrieved March 18, 2022."data-reference="Microsoft NICKEL December 2021"><a href="https://www.microsoft.com/security/blog/2021/12/06/nickel-targeting-government-organizations-across-latin-america-and-europe" target="_blank" data-hasqtip="94" aria-describedby="qtip-94">[95]</a> </td> </tr> <tr> <td> <a href="/software/S1106"> S1106 </a> </td> <td> <a href="/software/S1106"> NGLite </a> </td> <td> <a href="/software/S1106">NGLite</a> will run the <code>whoami</code> command to gather system information and return this to the command and control server.<span onclick=scrollToRef('scite-141') id="scite-ref-141-a" class="scite-citeref-number" title="Robert Falcone, Jeff White, and Peter Renals. (2021, November 7). Targeted Attack Campaign Against ManageEngine ADSelfService Plus Delivers Godzilla Webshells, NGLite Trojan and KdcSponge Stealer. Retrieved February 8, 2024."data-reference="NGLite Trojan"><a href="https://unit42.paloaltonetworks.com/manageengine-godzilla-nglite-kdcsponge/" target="_blank" data-hasqtip="140" aria-describedby="qtip-140">[141]</a> </td> </tr> <tr> <td> <a href="/campaigns/C0002"> C0002 </a> </td> <td> <a href="/campaigns/C0002"> Night Dragon </a> </td> <td> During <a href="https://attack.mitre.org/campaigns/C0002">Night Dragon</a>, threat actors used password cracking and pass-the-hash tools to discover usernames and passwords.<span onclick=scrollToRef('scite-142') id="scite-ref-142-a" class="scite-citeref-number" title="McAfee® Foundstone® Professional Services and McAfee Labs™. (2011, February 10). Global Energy Cyberattacks: "Night Dragon". Retrieved February 19, 2018."data-reference="McAfee Night Dragon"><a href="https://scadahacker.com/library/Documents/Cyber_Events/McAfee%20-%20Night%20Dragon%20-%20Global%20Energy%20Cyberattacks.pdf" target="_blank" data-hasqtip="141" aria-describedby="qtip-141">[142]</a> </td> </tr> <tr> <td> <a href="/software/S1147"> S1147 </a> </td> <td> <a href="/software/S1147"> Nightdoor </a> </td> <td> <a href="/software/S1147">Nightdoor</a> gathers information on victim system users and usernames.<span onclick=scrollToRef('scite-143') id="scite-ref-143-a" class="scite-citeref-number" title="Ahn Ho, Facundo Muñoz, & Marc-Etienne M.Léveillé. (2024, March 7). Evasive Panda leverages Monlam Festival to target Tibetans. Retrieved July 25, 2024."data-reference="ESET EvasivePanda 2024"><a href="https://www.welivesecurity.com/en/eset-research/evasive-panda-leverages-monlam-festival-target-tibetans/" target="_blank" data-hasqtip="142" aria-describedby="qtip-142">[143]</a> </td> </tr> <tr> <td> <a href="/software/S0385"> S0385 </a> </td> <td> <a href="/software/S0385"> njRAT </a> </td> <td> <a href="/software/S0385">njRAT</a> enumerates the current user during the initial infection.<span onclick=scrollToRef('scite-144') id="scite-ref-144-a" class="scite-citeref-number" title="Fidelis Cybersecurity. (2013, June 28). Fidelis Threat Advisory #1009: "njRAT" Uncovered. Retrieved June 4, 2019."data-reference="Fidelis njRAT June 2013"><a href="https://www.threatminer.org/_reports/2013/fta-1009---njrat-uncovered-1.pdf" target="_blank" data-hasqtip="143" aria-describedby="qtip-143">[144]</a> </td> </tr> <tr> <td> <a href="/software/S0353"> S0353 </a> </td> <td> <a href="/software/S0353"> NOKKI </a> </td> <td> <a href="/software/S0353">NOKKI</a> can collect the username from the victim’s machine.<span onclick=scrollToRef('scite-145') id="scite-ref-145-a" class="scite-citeref-number" title="Grunzweig, J., Lee, B. (2018, September 27). New KONNI Malware attacking Eurasia and Southeast Asia. Retrieved November 5, 2018."data-reference="Unit 42 NOKKI Sept 2018"><a href="https://researchcenter.paloaltonetworks.com/2018/09/unit42-new-konni-malware-attacking-eurasia-southeast-asia/" target="_blank" data-hasqtip="144" aria-describedby="qtip-144">[145]</a> </td> </tr> <tr> <td> <a href="/software/S0644"> S0644 </a> </td> <td> <a href="/software/S0644"> ObliqueRAT </a> </td> <td> <a href="/software/S0644">ObliqueRAT</a> can check for blocklisted usernames on infected endpoints.<span onclick=scrollToRef('scite-146') id="scite-ref-146-a" class="scite-citeref-number" title="Malhotra, A. (2021, March 2). ObliqueRAT returns with new campaign using hijacked websites. Retrieved September 2, 2021."data-reference="Talos Oblique RAT March 2021"><a href="https://blog.talosintelligence.com/2021/02/obliquerat-new-campaign.html" target="_blank" data-hasqtip="145" aria-describedby="qtip-145">[146]</a> </td> </tr> <tr> <td> <a href="/software/S0340"> S0340 </a> </td> <td> <a href="/software/S0340"> Octopus </a> </td> <td> <a href="/software/S0340">Octopus</a> can collect the username from the victim’s machine.<span onclick=scrollToRef('scite-147') id="scite-ref-147-a" class="scite-citeref-number" title="Kaspersky Lab's Global Research & Analysis Team. (2018, October 15). Octopus-infested seas of Central Asia. Retrieved November 14, 2018."data-reference="Securelist Octopus Oct 2018"><a href="https://securelist.com/octopus-infested-seas-of-central-asia/88200/" target="_blank" data-hasqtip="146" aria-describedby="qtip-146">[147]</a> </td> </tr> <tr> <td> <a href="/groups/G0049"> G0049 </a> </td> <td> <a href="/groups/G0049"> OilRig </a> </td> <td> <a href="/groups/G0049">OilRig</a> has run <code>whoami</code> on a victim.<span onclick=scrollToRef('scite-148') id="scite-ref-148-a" class="scite-citeref-number" title="Falcone, R. and Lee, B.. (2016, May 26). The OilRig Campaign: Attacks on Saudi Arabian Organizations Deliver Helminth Backdoor. Retrieved May 3, 2017."data-reference="Palo Alto OilRig May 2016"><a href="http://researchcenter.paloaltonetworks.com/2016/05/the-oilrig-campaign-attacks-on-saudi-arabian-organizations-deliver-helminth-backdoor/" target="_blank" data-hasqtip="147" aria-describedby="qtip-147">[148]</a><span onclick=scrollToRef('scite-149') id="scite-ref-149-a" class="scite-citeref-number" title="Grunzweig, J. and Falcone, R.. (2016, October 4). OilRig Malware Campaign Updates Toolset and Expands Targets. Retrieved May 3, 2017."data-reference="Palo Alto OilRig Oct 2016"><a href="http://researchcenter.paloaltonetworks.com/2016/10/unit42-oilrig-malware-campaign-updates-toolset-and-expands-targets/" target="_blank" data-hasqtip="148" aria-describedby="qtip-148">[149]</a><span onclick=scrollToRef('scite-150') id="scite-ref-150-a" class="scite-citeref-number" title="Check Point. (2021, April 8). Iran’s APT34 Returns with an Updated Arsenal. Retrieved May 5, 2021."data-reference="Check Point APT34 April 2021"><a href="https://research.checkpoint.com/2021/irans-apt34-returns-with-an-updated-arsenal/" target="_blank" data-hasqtip="149" aria-describedby="qtip-149">[150]</a> </td> </tr> <tr> <td> <a href="/software/S0439"> S0439 </a> </td> <td> <a href="/software/S0439"> Okrum </a> </td> <td> <a href="/software/S0439">Okrum</a> can collect the victim username.<span onclick=scrollToRef('scite-151') id="scite-ref-151-a" class="scite-citeref-number" title="Hromcova, Z. (2019, July). OKRUM AND KETRICAN: AN OVERVIEW OF RECENT KE3CHANG GROUP ACTIVITY. Retrieved May 6, 2020."data-reference="ESET Okrum July 2019"><a href="https://www.welivesecurity.com/wp-content/uploads/2019/07/ESET_Okrum_and_Ketrican.pdf" target="_blank" data-hasqtip="150" aria-describedby="qtip-150">[151]</a> </td> </tr> <tr> <td> <a href="/campaigns/C0012"> C0012 </a> </td> <td> <a href="/campaigns/C0012"> Operation CuckooBees </a> </td> <td> During <a href="https://attack.mitre.org/campaigns/C0012">Operation CuckooBees</a>, the threat actors used the <code>query user</code> and <code>whoami</code> commands as part of their advanced reconnaissance.<span onclick=scrollToRef('scite-152') id="scite-ref-152-a" class="scite-citeref-number" title="Cybereason Nocturnus. (2022, May 4). Operation CuckooBees: Deep-Dive into Stealthy Winnti Techniques. Retrieved September 22, 2022."data-reference="Cybereason OperationCuckooBees May 2022"><a href="https://www.cybereason.com/blog/operation-cuckoobees-deep-dive-into-stealthy-winnti-techniques" target="_blank" data-hasqtip="151" aria-describedby="qtip-151">[152]</a> </td> </tr> <tr> <td> <a href="/campaigns/C0014"> C0014 </a> </td> <td> <a href="/campaigns/C0014"> Operation Wocao </a> </td> <td> During <a href="https://attack.mitre.org/campaigns/C0014">Operation Wocao</a>, threat actors enumerated sessions and users on a remote host, and identified privileged users logged into a targeted system.<span onclick=scrollToRef('scite-153') id="scite-ref-153-a" class="scite-citeref-number" title="Dantzig, M. v., Schamper, E. (2019, December 19). Operation Wocao: Shining a light on one of China’s hidden hacking groups. Retrieved October 8, 2020."data-reference="FoxIT Wocao December 2019"><a href="https://www.fox-it.com/media/kadlze5c/201912_report_operation_wocao.pdf" target="_blank" data-hasqtip="152" aria-describedby="qtip-152">[153]</a> </td> </tr> <tr> <td> <a href="/groups/G0040"> G0040 </a> </td> <td> <a href="/groups/G0040"> Patchwork </a> </td> <td> <a href="/groups/G0040">Patchwork</a> collected the victim username and whether it was running as admin, then sent the information to its C2 server.<span onclick=scrollToRef('scite-154') id="scite-ref-154-a" class="scite-citeref-number" title="Cymmetria. (2016). Unveiling Patchwork - The Copy-Paste APT. Retrieved August 3, 2016."data-reference="Cymmetria Patchwork"><a href="https://web.archive.org/web/20180825085952/https://s3-us-west-2.amazonaws.com/cymmetria-blog/public/Unveiling_Patchwork.pdf" target="_blank" data-hasqtip="153" aria-describedby="qtip-153">[154]</a><span onclick=scrollToRef('scite-140') id="scite-ref-140-a" class="scite-citeref-number" title="Lunghi, D., et al. (2017, December). Untangling the Patchwork Cyberespionage Group. Retrieved July 10, 2018."data-reference="TrendMicro Patchwork Dec 2017"><a href="https://documents.trendmicro.com/assets/tech-brief-untangling-the-patchwork-cyberespionage-group.pdf" target="_blank" data-hasqtip="139" aria-describedby="qtip-139">[140]</a> </td> </tr> <tr> <td> <a href="/software/S0428"> S0428 </a> </td> <td> <a href="/software/S0428"> PoetRAT </a> </td> <td> <a href="/software/S0428">PoetRAT</a> sent username, computer name, and the previously generated UUID in reply to a "who" command from C2.<span onclick=scrollToRef('scite-155') id="scite-ref-155-a" class="scite-citeref-number" title="Mercer, W, et al. (2020, April 16). PoetRAT: Python RAT uses COVID-19 lures to target Azerbaijan public and private sectors. Retrieved April 27, 2020."data-reference="Talos PoetRAT April 2020"><a href="https://blog.talosintelligence.com/2020/04/poetrat-covid-19-lures.html" target="_blank" data-hasqtip="154" aria-describedby="qtip-154">[155]</a> </td> </tr> <tr> <td> <a href="/software/S0139"> S0139 </a> </td> <td> <a href="/software/S0139"> PowerDuke </a> </td> <td> <a href="/software/S0139">PowerDuke</a> has commands to get the current user's name and SID.<span onclick=scrollToRef('scite-156') id="scite-ref-156-a" class="scite-citeref-number" title="Adair, S.. (2016, November 9). PowerDuke: Widespread Post-Election Spear Phishing Campaigns Targeting Think Tanks and NGOs. Retrieved January 11, 2017."data-reference="Volexity PowerDuke November 2016"><a href="https://www.volexity.com/blog/2016/11/09/powerduke-post-election-spear-phishing-campaigns-targeting-think-tanks-and-ngos/" target="_blank" data-hasqtip="155" aria-describedby="qtip-155">[156]</a> </td> </tr> <tr> <td> <a href="/software/S0441"> S0441 </a> </td> <td> <a href="/software/S0441"> PowerShower </a> </td> <td> <a href="/software/S0441">PowerShower</a> has the ability to identify the current user on the infected host.<span onclick=scrollToRef('scite-157') id="scite-ref-157-a" class="scite-citeref-number" title="GReAT. (2019, August 12). Recent Cloud Atlas activity. Retrieved May 8, 2020."data-reference="Kaspersky Cloud Atlas August 2019"><a href="https://securelist.com/recent-cloud-atlas-activity/92016/" target="_blank" data-hasqtip="156" aria-describedby="qtip-156">[157]</a> </td> </tr> <tr> <td> <a href="/software/S0223"> S0223 </a> </td> <td> <a href="/software/S0223"> POWERSTATS </a> </td> <td> <a href="/software/S0223">POWERSTATS</a> has the ability to identify the username on the compromised host.<span onclick=scrollToRef('scite-158') id="scite-ref-158-a" class="scite-citeref-number" title="Lunghi, D. and Horejsi, J.. (2019, June 10). MuddyWater Resurfaces, Uses Multi-Stage Backdoor POWERSTATS V3 and New Post-Exploitation Tools. Retrieved May 14, 2020."data-reference="TrendMicro POWERSTATS V3 June 2019"><a href="https://blog.trendmicro.com/trendlabs-security-intelligence/muddywater-resurfaces-uses-multi-stage-backdoor-powerstats-v3-and-new-post-exploitation-tools/" target="_blank" data-hasqtip="157" aria-describedby="qtip-157">[158]</a> </td> </tr> <tr> <td> <a href="/software/S0184"> S0184 </a> </td> <td> <a href="/software/S0184"> POWRUNER </a> </td> <td> <a href="/software/S0184">POWRUNER</a> may collect information about the currently logged in user by running <code>whoami</code> on a victim.<span onclick=scrollToRef('scite-159') id="scite-ref-159-a" class="scite-citeref-number" title="Sardiwal, M, et al. (2017, December 7). New Targeted Attack in the Middle East by APT34, a Suspected Iranian Threat Group, Using CVE-2017-11882 Exploit. Retrieved December 20, 2017."data-reference="FireEye APT34 Dec 2017"><a href="https://www.fireeye.com/blog/threat-research/2017/12/targeted-attack-in-middle-east-by-apt34.html" target="_blank" data-hasqtip="158" aria-describedby="qtip-158">[159]</a> </td> </tr> <tr> <td> <a href="/software/S0113"> S0113 </a> </td> <td> <a href="/software/S0113"> Prikormka </a> </td> <td> A module in <a href="/software/S0113">Prikormka</a> collects information from the victim about the current user name.<span onclick=scrollToRef('scite-160') id="scite-ref-160-a" class="scite-citeref-number" title="Cherepanov, A.. (2016, May 17). Operation Groundbait: Analysis of a surveillance toolkit. Retrieved May 18, 2016."data-reference="ESET Operation Groundbait"><a href="http://www.welivesecurity.com/wp-content/uploads/2016/05/Operation-Groundbait.pdf" target="_blank" data-hasqtip="159" aria-describedby="qtip-159">[160]</a> </td> </tr> <tr> <td> <a href="/software/S0192"> S0192 </a> </td> <td> <a href="/software/S0192"> Pupy </a> </td> <td> <a href="/software/S0192">Pupy</a> can enumerate local information for Linux hosts and find currently logged on users for Windows hosts.<a href="https://github.com/n1nj4sec/pupy" target="_blank" data-hasqtip="160" aria-describedby="qtip-160">[161]</a> </td> </tr> <tr> <td> <a href="/software/S1032"> S1032 </a> </td> <td> <a href="/software/S1032"> PyDCrypt </a> </td> <td> <a href="/software/S1032">PyDCrypt</a> has probed victim machines with <code>whoami</code> and has collected the username from the machine.<span onclick=scrollToRef('scite-162') id="scite-ref-162-a" class="scite-citeref-number" title="Checkpoint Research. (2021, November 15). Uncovering MosesStaff techniques: Ideology over Money. Retrieved August 11, 2022."data-reference="Checkpoint MosesStaff Nov 2021"><a href="https://research.checkpoint.com/2021/mosesstaff-targeting-israeli-companies/" target="_blank" data-hasqtip="161" aria-describedby="qtip-161">[162]</a> </td> </tr> <tr> <td> <a href="/software/S0650"> S0650 </a> </td> <td> <a href="/software/S0650"> QakBot </a> </td> <td> <a href="/software/S0650">QakBot</a> can identify the user name on a compromised system.<span onclick=scrollToRef('scite-163') id="scite-ref-163-a" class="scite-citeref-number" title="Kuzmenko, A. et al. (2021, September 2). QakBot technical analysis. Retrieved September 27, 2021."data-reference="Kaspersky QakBot September 2021"><a href="https://securelist.com/qakbot-technical-analysis/103931/" target="_blank" data-hasqtip="162" aria-describedby="qtip-162">[163]</a><span onclick=scrollToRef('scite-164') id="scite-ref-164-a" class="scite-citeref-number" title="Kenefick, I. et al. (2022, October 12). Black Basta Ransomware Gang Infiltrates Networks via QAKBOT, Brute Ratel, and Cobalt Strike. Retrieved February 6, 2023."data-reference="Trend Micro Black Basta October 2022"><a href="https://www.trendmicro.com/en_us/research/22/j/black-basta-infiltrates-networks-via-qakbot-brute-ratel-and-coba.html" target="_blank" data-hasqtip="163" aria-describedby="qtip-163">[164]</a> </td> </tr> <tr> <td> <a href="/software/S0269"> S0269 </a> </td> <td> <a href="/software/S0269"> QUADAGENT </a> </td> <td> <a href="/software/S0269">QUADAGENT</a> gathers the victim username.<span onclick=scrollToRef('scite-165') id="scite-ref-165-a" class="scite-citeref-number" title="Lee, B., Falcone, R. (2018, July 25). OilRig Targets Technology Service Provider and Government Agency with QUADAGENT. Retrieved August 9, 2018."data-reference="Unit 42 QUADAGENT July 2018"><a href="https://researchcenter.paloaltonetworks.com/2018/07/unit42-oilrig-targets-technology-service-provider-government-agency-quadagent/" target="_blank" data-hasqtip="164" aria-describedby="qtip-164">[165]</a> </td> </tr> <tr> <td> <a href="/software/S0262"> S0262 </a> </td> <td> <a href="/software/S0262"> QuasarRAT </a> </td> <td> <a href="/software/S0262">QuasarRAT</a> can enumerate the username and account type.<span onclick=scrollToRef('scite-166') id="scite-ref-166-a" class="scite-citeref-number" title="CISA. (2018, December 18). Analysis Report (AR18-352A) Quasar Open-Source Remote Administration Tool. Retrieved August 1, 2022."data-reference="CISA AR18-352A Quasar RAT December 2018"><a href="https://www.cisa.gov/uscert/ncas/analysis-reports/AR18-352A" target="_blank" data-hasqtip="165" aria-describedby="qtip-165">[166]</a> </td> </tr> <tr> <td> <a href="/software/S1148"> S1148 </a> </td> <td> <a href="/software/S1148"> Raccoon Stealer </a> </td> <td> <a href="/software/S1148">Raccoon Stealer</a> gathers information on the infected system owner and user.<span onclick=scrollToRef('scite-167') id="scite-ref-167-a" class="scite-citeref-number" title="S2W TALON. (2022, June 16). Raccoon Stealer is Back with a New Version. Retrieved August 1, 2024."data-reference="S2W Racoon 2022"><a href="https://medium.com/s2wblog/raccoon-stealer-is-back-with-a-new-version-5f436e04b20d" target="_blank" data-hasqtip="166" aria-describedby="qtip-166">[167]</a><span onclick=scrollToRef('scite-168') id="scite-ref-168-a" class="scite-citeref-number" title="Quentin Bourgue, Pierre le Bourhis, & Sekoia TDR. (2022, June 28). Raccoon Stealer v2 - Part 1: The return of the dead. Retrieved August 1, 2024."data-reference="Sekoia Raccoon1 2022"><a href="https://blog.sekoia.io/raccoon-stealer-v2-part-1-the-return-of-the-dead/" target="_blank" data-hasqtip="167" aria-describedby="qtip-167">[168]</a><span onclick=scrollToRef('scite-169') id="scite-ref-169-a" class="scite-citeref-number" title="Pierre Le Bourhis, Quentin Bourgue, & Sekoia TDR. (2022, June 29). Raccoon Stealer v2 - Part 2: In-depth analysis. Retrieved August 1, 2024."data-reference="Sekoia Raccoon2 2022"><a href="https://blog.sekoia.io/raccoon-stealer-v2-part-2-in-depth-analysis/" target="_blank" data-hasqtip="168" aria-describedby="qtip-168">[169]</a> </td> </tr> <tr> <td> <a href="/software/S1130"> S1130 </a> </td> <td> <a href="/software/S1130"> Raspberry Robin </a> </td> <td> <a href="/software/S1130">Raspberry Robin</a> determines whether it is successfully running on a victim system by querying the running account information to determine if it is running in Session 0, indicating running with elevated privileges.<span onclick=scrollToRef('scite-170') id="scite-ref-170-a" class="scite-citeref-number" title="Christopher So. (2022, December 20). Raspberry Robin Malware Targets Telecom, Governments. Retrieved May 17, 2024."data-reference="TrendMicro RaspberryRobin 2022"><a href="https://www.trendmicro.com/en_us/research/22/l/raspberry-robin-malware-targets-telecom-governments.html" target="_blank" data-hasqtip="169" aria-describedby="qtip-169">[170]</a> </td> </tr> <tr> <td> <a href="/software/S0241"> S0241 </a> </td> <td> <a href="/software/S0241"> RATANKBA </a> </td> <td> <a href="/software/S0241">RATANKBA</a> runs the <code>whoami</code> and <code>query user</code> commands.<span onclick=scrollToRef('scite-171') id="scite-ref-171-a" class="scite-citeref-number" title="Trend Micro. (2017, February 27). RATANKBA: Delving into Large-scale Watering Holes against Enterprises. Retrieved May 22, 2018."data-reference="RATANKBA"><a href="https://www.trendmicro.com/en_us/research/17/b/ratankba-watering-holes-against-enterprises.html" target="_blank" data-hasqtip="170" aria-describedby="qtip-170">[171]</a> </td> </tr> <tr> <td> <a href="/software/S0662"> S0662 </a> </td> <td> <a href="/software/S0662"> RCSession </a> </td> <td> <a href="/software/S0662">RCSession</a> can gather system owner information, including user and administrator privileges.<span onclick=scrollToRef('scite-172') id="scite-ref-172-a" class="scite-citeref-number" title="Global Threat Center, Intelligence Team. (2020, December). APT27 Turns to Ransomware. Retrieved November 12, 2021."data-reference="Profero APT27 December 2020"><a href="https://web.archive.org/web/20210104144857/https://shared-public-reports.s3-eu-west-1.amazonaws.com/APT27+turns+to+ransomware.pdf" target="_blank" data-hasqtip="171" aria-describedby="qtip-171">[172]</a> </td> </tr> <tr> <td> <a href="/software/S0172"> S0172 </a> </td> <td> <a href="/software/S0172"> Reaver </a> </td> <td> <a href="/software/S0172">Reaver</a> collects the victim's username.<span onclick=scrollToRef('scite-173') id="scite-ref-173-a" class="scite-citeref-number" title="Grunzweig, J. and Miller-Osborn, J. (2017, November 10). New Malware with Ties to SunOrcal Discovered. Retrieved November 16, 2017."data-reference="Palo Alto Reaver Nov 2017"><a href="https://researchcenter.paloaltonetworks.com/2017/11/unit42-new-malware-with-ties-to-sunorcal-discovered/" target="_blank" data-hasqtip="172" aria-describedby="qtip-172">[173]</a> </td> </tr> <tr> <td> <a href="/software/S0153"> S0153 </a> </td> <td> <a href="/software/S0153"> RedLeaves </a> </td> <td> <a href="/software/S0153">RedLeaves</a> can obtain information about the logged on user both locally and for Remote Desktop sessions.<span onclick=scrollToRef('scite-174') id="scite-ref-174-a" class="scite-citeref-number" title="PwC and BAE Systems. (2017, April). Operation Cloud Hopper: Technical Annex. Retrieved April 13, 2017."data-reference="PWC Cloud Hopper Technical Annex April 2017"><a href="https://www.pwc.co.uk/cyber-security/pdf/pwc-uk-operation-cloud-hopper-technical-annex-april-2017.pdf" target="_blank" data-hasqtip="173" aria-describedby="qtip-173">[174]</a> </td> </tr> <tr> <td> <a href="/software/S0125"> S0125 </a> </td> <td> <a href="/software/S0125"> Remsec </a> </td> <td> <a href="/software/S0125">Remsec</a> can obtain information about the current user.<span onclick=scrollToRef('scite-175') id="scite-ref-175-a" class="scite-citeref-number" title="Kaspersky Lab's Global Research & Analysis Team. (2016, August 9). The ProjectSauron APT. Technical Analysis. Retrieved August 17, 2016."data-reference="Kaspersky ProjectSauron Technical Analysis"><a href="https://securelist.com/files/2016/07/The-ProjectSauron-APT_Technical_Analysis_KL.pdf" target="_blank" data-hasqtip="174" aria-describedby="qtip-174">[175]</a> </td> </tr> <tr> <td> <a href="/software/S0379"> S0379 </a> </td> <td> <a href="/software/S0379"> Revenge RAT </a> </td> <td> <a href="/software/S0379">Revenge RAT</a> gathers the username from the system.<span onclick=scrollToRef('scite-176') id="scite-ref-176-a" class="scite-citeref-number" title="Livelli, K, et al. (2018, November 12). Operation Shaheen. Retrieved May 1, 2019."data-reference="Cylance Shaheen Nov 2018"><a href="https://www.cylance.com/content/dam/cylance-web/en-us/resources/knowledge-center/resource-library/reports/WhiteCompanyOperationShaheenReport.pdf?_ga=2.161661948.1943296560.1555683782-1066572390.1555511517" target="_blank" data-hasqtip="175" aria-describedby="qtip-175">[176]</a> </td> </tr> <tr> <td> <a href="/software/S0258"> S0258 </a> </td> <td> <a href="/software/S0258"> RGDoor </a> </td> <td> <a href="/software/S0258">RGDoor</a> executes the <code>whoami</code> on the victim’s machine.<span onclick=scrollToRef('scite-177') id="scite-ref-177-a" class="scite-citeref-number" title="Falcone, R. (2018, January 25). OilRig uses RGDoor IIS Backdoor on Targets in the Middle East. Retrieved July 6, 2018."data-reference="Unit 42 RGDoor Jan 2018"><a href="https://researchcenter.paloaltonetworks.com/2018/01/unit42-oilrig-uses-rgdoor-iis-backdoor-targets-middle-east/" target="_blank" data-hasqtip="176" aria-describedby="qtip-176">[177]</a> </td> </tr> <tr> <td> <a href="/software/S0433"> S0433 </a> </td> <td> <a href="/software/S0433"> Rifdoor </a> </td> <td> <a href="/software/S0433">Rifdoor</a> has the ability to identify the username on the compromised host.<span onclick=scrollToRef('scite-90') id="scite-ref-90-a" class="scite-citeref-number" title="Knight, S.. (2020, April 16). VMware Carbon Black TAU Threat Analysis: The Evolution of Lazarus. Retrieved May 1, 2020."data-reference="Carbon Black HotCroissant April 2020"><a href="https://www.carbonblack.com/2020/04/16/vmware-carbon-black-tau-threat-analysis-the-evolution-of-lazarus/" target="_blank" data-hasqtip="89" aria-describedby="qtip-89">[90]</a> </td> </tr> <tr> <td> <a href="/software/S0448"> S0448 </a> </td> <td> <a href="/software/S0448"> Rising Sun </a> </td> <td> <a href="/software/S0448">Rising Sun</a> can detect the username of the infected host.<span onclick=scrollToRef('scite-178') id="scite-ref-178-a" class="scite-citeref-number" title="Sherstobitoff, R., Malhotra, A., et. al.. (2018, December 18). Operation Sharpshooter Campaign Targets Global Defense, Critical Infrastructure. Retrieved May 14, 2020."data-reference="McAfee Sharpshooter December 2018"><a href="https://www.mcafee.com/enterprise/en-us/assets/reports/rp-operation-sharpshooter.pdf" target="_blank" data-hasqtip="177" aria-describedby="qtip-177">[178]</a> </td> </tr> <tr> <td> <a href="/software/S0270"> S0270 </a> </td> <td> <a href="/software/S0270"> RogueRobin </a> </td> <td> <a href="/software/S0270">RogueRobin</a> collects the victim’s username and whether that user is an admin.<span onclick=scrollToRef('scite-179') id="scite-ref-179-a" class="scite-citeref-number" title="Falcone, R., et al. (2018, July 27). New Threat Actor Group DarkHydrus Targets Middle East Government. Retrieved August 2, 2018."data-reference="Unit 42 DarkHydrus July 2018"><a href="https://researchcenter.paloaltonetworks.com/2018/07/unit42-new-threat-actor-group-darkhydrus-targets-middle-east-government/" target="_blank" data-hasqtip="178" aria-describedby="qtip-178">[179]</a> </td> </tr> <tr> <td> <a href="/software/S0240"> S0240 </a> </td> <td> <a href="/software/S0240"> ROKRAT </a> </td> <td> <a href="/software/S0240">ROKRAT</a> can collect the username from a compromised host.<span onclick=scrollToRef('scite-180') id="scite-ref-180-a" class="scite-citeref-number" title="Jazi, Hossein. (2021, January 6). Retrohunting APT37: North Korean APT used VBA self decode technique to inject RokRat. Retrieved March 22, 2022."data-reference="Malwarebytes RokRAT VBA January 2021"><a href="https://blog.malwarebytes.com/threat-analysis/2021/01/retrohunting-apt37-north-korean-apt-used-vba-self-decode-technique-to-inject-rokrat/" target="_blank" data-hasqtip="179" aria-describedby="qtip-179">[180]</a> </td> </tr> <tr> <td> <a href="/software/S0148"> S0148 </a> </td> <td> <a href="/software/S0148"> RTM </a> </td> <td> <a href="/software/S0148">RTM</a> can obtain the victim username and permissions.<span onclick=scrollToRef('scite-181') id="scite-ref-181-a" class="scite-citeref-number" title="Faou, M. and Boutin, J. (2017, February). Read The Manual: A Guide to the RTM Banking Trojan. Retrieved March 9, 2017."data-reference="ESET RTM Feb 2017"><a href="https://www.welivesecurity.com/wp-content/uploads/2017/02/Read-The-Manual.pdf" target="_blank" data-hasqtip="180" aria-describedby="qtip-180">[181]</a> </td> </tr> <tr> <td> <a href="/software/S0085"> S0085 </a> </td> <td> <a href="/software/S0085"> S-Type </a> </td> <td> <a href="/software/S0085">S-Type</a> has run tests to determine the privilege level of the compromised user.<span onclick=scrollToRef('scite-129') id="scite-ref-129-a" class="scite-citeref-number" title="Gross, J. (2016, February 23). Operation Dust Storm. Retrieved December 22, 2021."data-reference="Cylance Dust Storm"><a href="https://s7d2.scene7.com/is/content/cylance/prod/cylance-web/en-us/resources/knowledge-center/resource-library/reports/Op_Dust_Storm_Report.pdf" target="_blank" data-hasqtip="128" aria-describedby="qtip-128">[129]</a> </td> </tr> <tr> <td> <a href="/software/S1018"> S1018 </a> </td> <td> <a href="/software/S1018"> Saint Bot </a> </td> <td> <a href="/software/S1018">Saint Bot</a> can collect the username from a compromised host.<span onclick=scrollToRef('scite-182') id="scite-ref-182-a" class="scite-citeref-number" title="Hasherezade. (2021, April 6). A deep dive into Saint Bot, a new downloader. Retrieved June 9, 2022."data-reference="Malwarebytes Saint Bot April 2021"><a href="https://blog.malwarebytes.com/threat-intelligence/2021/04/a-deep-dive-into-saint-bot-downloader/" target="_blank" data-hasqtip="181" aria-describedby="qtip-181">[182]</a> </td> </tr> <tr> <td> <a href="/groups/G0034"> G0034 </a> </td> <td> <a href="/groups/G0034"> Sandworm Team </a> </td> <td> <a href="/groups/G0034">Sandworm Team</a> has collected the username from a compromised host.<span onclick=scrollToRef('scite-183') id="scite-ref-183-a" class="scite-citeref-number" title="Scott W. Brady. (2020, October 15). United States vs. Yuriy Sergeyevich Andrienko et al.. Retrieved November 25, 2020."data-reference="US District Court Indictment GRU Unit 74455 October 2020"><a href="https://www.justice.gov/opa/press-release/file/1328521/download" target="_blank" data-hasqtip="182" aria-describedby="qtip-182">[183]</a> </td> </tr> <tr> <td> <a href="/software/S0461"> S0461 </a> </td> <td> <a href="/software/S0461"> SDBbot </a> </td> <td> <a href="/software/S0461">SDBbot</a> has the ability to identify the user on a compromised host.<span onclick=scrollToRef('scite-81') id="scite-ref-81-a" class="scite-citeref-number" title="Schwarz, D. et al. (2019, October 16). TA505 Distributes New SDBbot Remote Access Trojan with Get2 Downloader. Retrieved May 29, 2020."data-reference="Proofpoint TA505 October 2019"><a href="https://www.proofpoint.com/us/threat-insight/post/ta505-distributes-new-sdbbot-remote-access-trojan-get2-downloader" target="_blank" data-hasqtip="80" aria-describedby="qtip-80">[81]</a> </td> </tr> <tr> <td> <a href="/software/S0382"> S0382 </a> </td> <td> <a href="/software/S0382"> ServHelper </a> </td> <td> <a href="/software/S0382">ServHelper</a> will attempt to enumerate the username of the victim.<span onclick=scrollToRef('scite-184') id="scite-ref-184-a" class="scite-citeref-number" title="Schwarz, D. and Proofpoint Staff. (2019, January 9). ServHelper and FlawedGrace - New malware introduced by TA505. Retrieved May 28, 2019."data-reference="Proofpoint TA505 Jan 2019"><a href="https://www.proofpoint.com/us/threat-insight/post/servhelper-and-flawedgrace-new-malware-introduced-ta505" target="_blank" data-hasqtip="183" aria-describedby="qtip-183">[184]</a> </td> </tr> <tr> <td> <a href="/software/S0596"> S0596 </a> </td> <td> <a href="/software/S0596"> ShadowPad </a> </td> <td> <a href="/software/S0596">ShadowPad</a> has collected the username of the victim system.<span onclick=scrollToRef('scite-185') id="scite-ref-185-a" class="scite-citeref-number" title="Kaspersky Lab. (2017, August). ShadowPad: popular server management software hit in supply chain attack. Retrieved March 22, 2021."data-reference="Kaspersky ShadowPad Aug 2017"><a href="https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2017/08/07172148/ShadowPad_technical_description_PDF.pdf" target="_blank" data-hasqtip="184" aria-describedby="qtip-184">[185]</a> </td> </tr> <tr> <td> <a href="/software/S0450"> S0450 </a> </td> <td> <a href="/software/S0450"> SHARPSTATS </a> </td> <td> <a href="/software/S0450">SHARPSTATS</a> has the ability to identify the username on the compromised host.<span onclick=scrollToRef('scite-158') id="scite-ref-158-a" class="scite-citeref-number" title="Lunghi, D. and Horejsi, J.. (2019, June 10). MuddyWater Resurfaces, Uses Multi-Stage Backdoor POWERSTATS V3 and New Post-Exploitation Tools. Retrieved May 14, 2020."data-reference="TrendMicro POWERSTATS V3 June 2019"><a href="https://blog.trendmicro.com/trendlabs-security-intelligence/muddywater-resurfaces-uses-multi-stage-backdoor-powerstats-v3-and-new-post-exploitation-tools/" target="_blank" data-hasqtip="157" aria-describedby="qtip-157">[158]</a> </td> </tr> <tr> <td> <a href="/software/S0610"> S0610 </a> </td> <td> <a href="/software/S0610"> SideTwist </a> </td> <td> <a href="/software/S0610">SideTwist</a> can collect the username on a targeted system.<span onclick=scrollToRef('scite-150') id="scite-ref-150-a" class="scite-citeref-number" title="Check Point. (2021, April 8). Iran’s APT34 Returns with an Updated Arsenal. Retrieved May 5, 2021."data-reference="Check Point APT34 April 2021"><a href="https://research.checkpoint.com/2021/irans-apt34-returns-with-an-updated-arsenal/" target="_blank" data-hasqtip="149" aria-describedby="qtip-149">[150]</a> </td> </tr> <tr> <td> <a href="/groups/G0121"> G0121 </a> </td> <td> <a href="/groups/G0121"> Sidewinder </a> </td> <td> <a href="/groups/G0121">Sidewinder</a> has used tools to identify the user of a compromised host.<span onclick=scrollToRef('scite-186') id="scite-ref-186-a" class="scite-citeref-number" title="Hegel, T. (2021, January 13). A Global Perspective of the SideWinder APT. Retrieved January 27, 2021."data-reference="ATT Sidewinder January 2021"><a href="https://cdn-cybersecurity.att.com/docs/global-perspective-of-the-sidewinder-apt.pdf" target="_blank" data-hasqtip="185" aria-describedby="qtip-185">[186]</a> </td> </tr> <tr> <td> <a href="/software/S0692"> S0692 </a> </td> <td> <a href="/software/S0692"> SILENTTRINITY </a> </td> <td> <a href="/software/S0692">SILENTTRINITY</a> can gather a list of logged on users.<span onclick=scrollToRef('scite-187') id="scite-ref-187-a" class="scite-citeref-number" title="Salvati, M. (2019, August 6). SILENTTRINITY Modules. Retrieved March 24, 2022."data-reference="GitHub SILENTTRINITY Modules July 2019"><a href="https://github.com/byt3bl33d3r/SILENTTRINITY/tree/master/silenttrinity/core/teamserver/modules/boo" target="_blank" data-hasqtip="186" aria-describedby="qtip-186">[187]</a> </td> </tr> <tr> <td> <a href="/software/S0533"> S0533 </a> </td> <td> <a href="/software/S0533"> SLOTHFULMEDIA </a> </td> <td> <a href="/software/S0533">SLOTHFULMEDIA</a> has collected the username from a victim machine.<span onclick=scrollToRef('scite-188') id="scite-ref-188-a" class="scite-citeref-number" title="DHS/CISA, Cyber National Mission Force. (2020, October 1). Malware Analysis Report (MAR) MAR-10303705-1.v1 – Remote Access Trojan: SLOTHFULMEDIA. Retrieved October 2, 2020."data-reference="CISA MAR SLOTHFULMEDIA October 2020"><a href="https://us-cert.cisa.gov/ncas/analysis-reports/ar20-275a" target="_blank" data-hasqtip="187" aria-describedby="qtip-187">[188]</a> </td> </tr> <tr> <td> <a href="/software/S1035"> S1035 </a> </td> <td> <a href="/software/S1035"> Small Sieve </a> </td> <td> <a href="/software/S1035">Small Sieve</a> can obtain the id of a logged in user.<span onclick=scrollToRef('scite-189') id="scite-ref-189-a" class="scite-citeref-number" title="NCSC GCHQ. (2022, January 27). Small Sieve Malware Analysis Report. Retrieved August 22, 2022."data-reference="NCSC GCHQ Small Sieve Jan 2022"><a href="https://www.ncsc.gov.uk/files/NCSC-Malware-Analysis-Report-Small-Sieve.pdf" target="_blank" data-hasqtip="188" aria-describedby="qtip-188">[189]</a> </td> </tr> <tr> <td> <a href="/software/S0649"> S0649 </a> </td> <td> <a href="/software/S0649"> SMOKEDHAM </a> </td> <td> <a href="/software/S0649">SMOKEDHAM</a> has used <code>whoami</code> commands to identify system owners.<span onclick=scrollToRef('scite-190') id="scite-ref-190-a" class="scite-citeref-number" title="FireEye. (2021, June 16). Smoking Out a DARKSIDE Affiliate’s Supply Chain Software Compromise. Retrieved September 22, 2021."data-reference="FireEye SMOKEDHAM June 2021"><a href="https://www.fireeye.com/blog/threat-research/2021/06/darkside-affiliate-supply-chain-software-compromise.html" target="_blank" data-hasqtip="189" aria-describedby="qtip-189">[190]</a> </td> </tr> <tr> <td> <a href="/software/S1124"> S1124 </a> </td> <td> <a href="/software/S1124"> SocGholish </a> </td> <td> <a href="/software/S1124">SocGholish</a> can use <code>whoami</code> to obtain the username from a compromised host.<span onclick=scrollToRef('scite-191') id="scite-ref-191-a" class="scite-citeref-number" title="Andrew Northern. (2022, November 22). SocGholish, a very real threat from a very fake update. Retrieved February 13, 2024."data-reference="SocGholish-update"><a href="https://www.proofpoint.com/us/blog/threat-insight/part-1-socgholish-very-real-threat-very-fake-update" target="_blank" data-hasqtip="190" aria-describedby="qtip-190">[191]</a><span onclick=scrollToRef('scite-192') id="scite-ref-192-a" class="scite-citeref-number" title="Red Canary. (2024, March). Red Canary 2024 Threat Detection Report: SocGholish. Retrieved March 22, 2024."data-reference="Red Canary SocGholish March 2024"><a href="https://redcanary.com/threat-detection-report/threats/socgholish/" target="_blank" data-hasqtip="191" aria-describedby="qtip-191">[192]</a><span onclick=scrollToRef('scite-193') id="scite-ref-193-a" class="scite-citeref-number" title="Secureworks. (n.d.). GOLD PRELUDE . Retrieved March 22, 2024."data-reference="Secureworks Gold Prelude Profile"><a href="https://www.secureworks.com/research/threat-profiles/gold-prelude" target="_blank" data-hasqtip="192" aria-describedby="qtip-192">[193]</a> </td> </tr> <tr> <td> <a href="/software/S0627"> S0627 </a> </td> <td> <a href="/software/S0627"> SodaMaster </a> </td> <td> <a href="/software/S0627">SodaMaster</a> can identify the username on a compromised host.<span onclick=scrollToRef('scite-194') id="scite-ref-194-a" class="scite-citeref-number" title="GREAT. (2021, March 30). APT10: sophisticated multi-layered loader Ecipekac discovered in A41APT campaign. Retrieved June 17, 2021."data-reference="Securelist APT10 March 2021"><a href="https://securelist.com/apt10-sophisticated-multi-layered-loader-ecipekac-discovered-in-a41apt-campaign/101519/" target="_blank" data-hasqtip="193" aria-describedby="qtip-193">[194]</a> </td> </tr> <tr> <td> <a href="/software/S0615"> S0615 </a> </td> <td> <a href="/software/S0615"> SombRAT </a> </td> <td> <a href="/software/S0615">SombRAT</a> can execute <code>getinfo</code> to identify the username on a compromised host.<span onclick=scrollToRef('scite-195') id="scite-ref-195-a" class="scite-citeref-number" title="The BlackBerry Research and Intelligence Team. (2020, November 12). The CostaRicto Campaign: Cyber-Espionage Outsourced. Retrieved May 24, 2021."data-reference="BlackBerry CostaRicto November 2020"><a href="https://blogs.blackberry.com/en/2020/11/the-costaricto-campaign-cyber-espionage-outsourced" target="_blank" data-hasqtip="194" aria-describedby="qtip-194">[195]</a><span onclick=scrollToRef('scite-196') id="scite-ref-196-a" class="scite-citeref-number" title="CISA. (2021, May 6). Analysis Report (AR21-126A) FiveHands Ransomware. Retrieved June 7, 2021."data-reference="CISA AR21-126A FIVEHANDS May 2021"><a href="https://us-cert.cisa.gov/ncas/analysis-reports/ar21-126a" target="_blank" data-hasqtip="195" aria-describedby="qtip-195">[196]</a> </td> </tr> <tr> <td> <a href="/software/S0543"> S0543 </a> </td> <td> <a href="/software/S0543"> Spark </a> </td> <td> <a href="/software/S0543">Spark</a> has run the whoami command and has a built-in command to identify the user logged in.<span onclick=scrollToRef('scite-197') id="scite-ref-197-a" class="scite-citeref-number" title="Falcone, R., et al. (2020, March 3). Molerats Delivers Spark Backdoor to Government and Telecommunications Organizations. Retrieved December 14, 2020."data-reference="Unit42 Molerat Mar 2020"><a href="https://unit42.paloaltonetworks.com/molerats-delivers-spark-backdoor/" target="_blank" data-hasqtip="196" aria-describedby="qtip-196">[197]</a> </td> </tr> <tr> <td> <a href="/software/S0374"> S0374 </a> </td> <td> <a href="/software/S0374"> SpeakUp </a> </td> <td> <a href="/software/S0374">SpeakUp</a> uses the <code>whoami</code> command. <span onclick=scrollToRef('scite-198') id="scite-ref-198-a" class="scite-citeref-number" title="Check Point Research. (2019, February 4). SpeakUp: A New Undetected Backdoor Linux Trojan. Retrieved April 17, 2019."data-reference="CheckPoint SpeakUp Feb 2019"><a href="https://research.checkpoint.com/speakup-a-new-undetected-backdoor-linux-trojan/" target="_blank" data-hasqtip="197" aria-describedby="qtip-197">[198]</a> </td> </tr> <tr> <td> <a href="/software/S1030"> S1030 </a> </td> <td> <a href="/software/S1030"> Squirrelwaffle </a> </td> <td> <a href="/software/S1030">Squirrelwaffle</a> can collect the user name from a compromised host.<span onclick=scrollToRef('scite-199') id="scite-ref-199-a" class="scite-citeref-number" title="Kumar, A., Stone-Gross, Brett. (2021, September 28). Squirrelwaffle: New Loader Delivering Cobalt Strike. Retrieved August 9, 2022."data-reference="ZScaler Squirrelwaffle Sep 2021"><a href="https://www.zscaler.com/blogs/security-research/squirrelwaffle-new-loader-delivering-cobalt-strike" target="_blank" data-hasqtip="198" aria-describedby="qtip-198">[199]</a> </td> </tr> <tr> <td> <a href="/software/S0058"> S0058 </a> </td> <td> <a href="/software/S0058"> SslMM </a> </td> <td> <a href="/software/S0058">SslMM</a> sends the logged-on username to its hard-coded C2.<span onclick=scrollToRef('scite-200') id="scite-ref-200-a" class="scite-citeref-number" title="Baumgartner, K., Golovkin, M.. (2015, May). The MsnMM Campaigns: The Earliest Naikon APT Campaigns. Retrieved April 10, 2019."data-reference="Baumgartner Naikon 2015"><a href="https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2018/03/07205555/TheNaikonAPT-MsnMM1.pdf" target="_blank" data-hasqtip="199" aria-describedby="qtip-199">[200]</a> </td> </tr> <tr> <td> <a href="/software/S1037"> S1037 </a> </td> <td> <a href="/software/S1037"> STARWHALE </a> </td> <td> <a href="/software/S1037">STARWHALE</a> can gather the username from an infected host.<span onclick=scrollToRef('scite-201') id="scite-ref-201-a" class="scite-citeref-number" title="Tomcik, R. et al. (2022, February 24). Left On Read: Telegram Malware Spotted in Latest Iranian Cyber Espionage Activity. Retrieved August 18, 2022."data-reference="Mandiant UNC3313 Feb 2022"><a href="https://www.mandiant.com/resources/telegram-malware-iranian-espionage" target="_blank" data-hasqtip="200" aria-describedby="qtip-200">[201]</a><span onclick=scrollToRef('scite-202') id="scite-ref-202-a" class="scite-citeref-number" title="FBI, CISA, CNMF, NCSC-UK. (2022, February 24). Iranian Government-Sponsored Actors Conduct Cyber Operations Against Global Government and Commercial Networks. Retrieved September 27, 2022."data-reference="DHS CISA AA22-055A MuddyWater February 2022"><a href="https://www.cisa.gov/uscert/ncas/alerts/aa22-055a" target="_blank" data-hasqtip="201" aria-describedby="qtip-201">[202]</a> </td> </tr> <tr> <td> <a href="/groups/G0038"> G0038 </a> </td> <td> <a href="/groups/G0038"> Stealth Falcon </a> </td> <td> <a href="/groups/G0038">Stealth Falcon</a> malware gathers the registered user and primary owner name via WMI.<span onclick=scrollToRef('scite-203') id="scite-ref-203-a" class="scite-citeref-number" title="Marczak, B. and Scott-Railton, J.. (2016, May 29). Keep Calm and (Don’t) Enable Macros: A New Threat Actor Targets UAE Dissidents. Retrieved June 8, 2016."data-reference="Citizen Lab Stealth Falcon May 2016"><a href="https://citizenlab.org/2016/05/stealth-falcon/" target="_blank" data-hasqtip="202" aria-describedby="qtip-202">[203]</a> </td> </tr> <tr> <td> <a href="/software/S1034"> S1034 </a> </td> <td> <a href="/software/S1034"> StrifeWater </a> </td> <td> <a href="/software/S1034">StrifeWater</a> can collect the user name from the victim's machine.<span onclick=scrollToRef('scite-204') id="scite-ref-204-a" class="scite-citeref-number" title="Cybereason Nocturnus. (2022, February 1). StrifeWater RAT: Iranian APT Moses Staff Adds New Trojan to Ransomware Operations. Retrieved August 15, 2022."data-reference="Cybereason StrifeWater Feb 2022"><a href="https://www.cybereason.com/blog/research/strifewater-rat-iranian-apt-moses-staff-adds-new-trojan-to-ransomware-operations" target="_blank" data-hasqtip="203" aria-describedby="qtip-203">[204]</a> </td> </tr> <tr> <td> <a href="/software/S0559"> S0559 </a> </td> <td> <a href="/software/S0559"> SUNBURST </a> </td> <td> <a href="/software/S0559">SUNBURST</a> collected the username from a compromised host.<span onclick=scrollToRef('scite-205') id="scite-ref-205-a" class="scite-citeref-number" title="FireEye. (2020, December 13). Highly Evasive Attacker Leverages SolarWinds Supply Chain to Compromise Multiple Global Victims With SUNBURST Backdoor. Retrieved January 4, 2021."data-reference="FireEye SUNBURST Backdoor December 2020"><a href="https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html" target="_blank" data-hasqtip="204" aria-describedby="qtip-204">[205]</a><span onclick=scrollToRef('scite-206') id="scite-ref-206-a" class="scite-citeref-number" title="MSTIC. (2020, December 18). Analyzing Solorigate, the compromised DLL file that started a sophisticated cyberattack, and how Microsoft Defender helps protect customers . Retrieved January 5, 2021."data-reference="Microsoft Analyzing Solorigate Dec 2020"><a href="https://www.microsoft.com/security/blog/2020/12/18/analyzing-solorigate-the-compromised-dll-file-that-started-a-sophisticated-cyberattack-and-how-microsoft-defender-helps-protect/" target="_blank" data-hasqtip="205" aria-describedby="qtip-205">[206]</a> </td> </tr> <tr> <td> <a href="/software/S1064"> S1064 </a> </td> <td> <a href="/software/S1064"> SVCReady </a> </td> <td> <a href="/software/S1064">SVCReady</a> can collect the username from an infected host.<span onclick=scrollToRef('scite-207') id="scite-ref-207-a" class="scite-citeref-number" title="Schlapfer, Patrick. (2022, June 6). A New Loader Gets Ready. Retrieved December 13, 2022."data-reference="HP SVCReady Jun 2022"><a href="https://threatresearch.ext.hp.com/svcready-a-new-loader-reveals-itself/" target="_blank" data-hasqtip="206" aria-describedby="qtip-206">[207]</a> </td> </tr> <tr> <td> <a href="/software/S0242"> S0242 </a> </td> <td> <a href="/software/S0242"> SynAck </a> </td> <td> <a href="/software/S0242">SynAck</a> gathers user names from infected hosts.<span onclick=scrollToRef('scite-208') id="scite-ref-208-a" class="scite-citeref-number" title="Ivanov, A. et al. (2018, May 7). SynAck targeted ransomware uses the Doppelgänging technique. Retrieved May 22, 2018."data-reference="SecureList SynAck Doppelgänging May 2018"><a href="https://securelist.com/synack-targeted-ransomware-uses-the-doppelganging-technique/85431/" target="_blank" data-hasqtip="207" aria-describedby="qtip-207">[208]</a> </td> </tr> <tr> <td> <a href="/software/S0060"> S0060 </a> </td> <td> <a href="/software/S0060"> Sys10 </a> </td> <td> <a href="/software/S0060">Sys10</a> collects the account name of the logged-in user and sends it to the C2.<span onclick=scrollToRef('scite-200') id="scite-ref-200-a" class="scite-citeref-number" title="Baumgartner, K., Golovkin, M.. (2015, May). The MsnMM Campaigns: The Earliest Naikon APT Campaigns. Retrieved April 10, 2019."data-reference="Baumgartner Naikon 2015"><a href="https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2018/03/07205555/TheNaikonAPT-MsnMM1.pdf" target="_blank" data-hasqtip="199" aria-describedby="qtip-199">[200]</a> </td> </tr> <tr> <td> <a href="/software/S0663"> S0663 </a> </td> <td> <a href="/software/S0663"> SysUpdate </a> </td> <td> <a href="/software/S0663">SysUpdate</a> can collect the username from a compromised host.<span onclick=scrollToRef('scite-209') id="scite-ref-209-a" class="scite-citeref-number" title="Daniel Lunghi. (2023, March 1). Iron Tiger’s SysUpdate Reappears, Adds Linux Targeting. Retrieved March 20, 2023."data-reference="Lunghi Iron Tiger Linux"><a href="https://www.trendmicro.com/en_us/research/23/c/iron-tiger-sysupdate-adds-linux-targeting.html" target="_blank" data-hasqtip="208" aria-describedby="qtip-208">[209]</a> </td> </tr> <tr> <td> <a href="/software/S0098"> S0098 </a> </td> <td> <a href="/software/S0098"> T9000 </a> </td> <td> <a href="/software/S0098">T9000</a> gathers and beacons the username of the logged in account during installation. It will also gather the username of running processes to determine if it is running as SYSTEM.<span onclick=scrollToRef('scite-210') id="scite-ref-210-a" class="scite-citeref-number" title="Grunzweig, J. and Miller-Osborn, J.. (2016, February 4). T9000: Advanced Modular Backdoor Uses Complex Anti-Analysis Techniques. Retrieved April 15, 2016."data-reference="Palo Alto T9000 Feb 2016"><a href="http://researchcenter.paloaltonetworks.com/2016/02/t9000-advanced-modular-backdoor-uses-complex-anti-analysis-techniques/" target="_blank" data-hasqtip="209" aria-describedby="qtip-209">[210]</a> </td> </tr> <tr> <td> <a href="/groups/G0027"> G0027 </a> </td> <td> <a href="/groups/G0027"> Threat Group-3390 </a> </td> <td> <a href="/groups/G0027">Threat Group-3390</a> has used <code>whoami</code> to collect system user information.<span onclick=scrollToRef('scite-43') id="scite-ref-43-a" class="scite-citeref-number" title="Lunghi, D. et al. (2020, February). Uncovering DRBControl. Retrieved November 12, 2021."data-reference="Trend Micro DRBControl February 2020"><a href="https://documents.trendmicro.com/assets/white_papers/wp-uncovering-DRBcontrol.pdf" target="_blank" data-hasqtip="42" aria-describedby="qtip-42">[43]</a> </td> </tr> <tr> <td> <a href="/software/S0266"> S0266 </a> </td> <td> <a href="/software/S0266"> TrickBot </a> </td> <td> <a href="/software/S0266">TrickBot</a> can identify the user and groups the user belongs to on a compromised host.<span onclick=scrollToRef('scite-211') id="scite-ref-211-a" class="scite-citeref-number" title="Dahan, A. et al. (2019, December 11). DROPPING ANCHOR: FROM A TRICKBOT INFECTION TO THE DISCOVERY OF THE ANCHOR MALWARE. Retrieved September 10, 2020."data-reference="Cyberreason Anchor December 2019"><a href="https://www.cybereason.com/blog/dropping-anchor-from-a-trickbot-infection-to-the-discovery-of-the-anchor-malware" target="_blank" data-hasqtip="210" aria-describedby="qtip-210">[211]</a> </td> </tr> <tr> <td> <a href="/software/S0094"> S0094 </a> </td> <td> <a href="/software/S0094"> Trojan.Karagany </a> </td> <td> <a href="/software/S0094">Trojan.Karagany</a> can gather information about the user on a compromised host.<span onclick=scrollToRef('scite-212') id="scite-ref-212-a" class="scite-citeref-number" title="Secureworks. (2019, July 24). Updated Karagany Malware Targets Energy Sector. Retrieved August 12, 2020."data-reference="Secureworks Karagany July 2019"><a href="https://www.secureworks.com/research/updated-karagany-malware-targets-energy-sector" target="_blank" data-hasqtip="211" aria-describedby="qtip-211">[212]</a> </td> </tr> <tr> <td> <a href="/groups/G0081"> G0081 </a> </td> <td> <a href="/groups/G0081"> Tropic Trooper </a> </td> <td> <a href="/groups/G0081">Tropic Trooper</a> used <code>letmein</code> to scan for saved usernames on the target system.<span onclick=scrollToRef('scite-213') id="scite-ref-213-a" class="scite-citeref-number" title="Alintanahin, K. (2015). Operation Tropic Trooper: Relying on Tried-and-Tested Flaws to Infiltrate Secret Keepers. Retrieved June 14, 2019."data-reference="TrendMicro TropicTrooper 2015"><a href="https://documents.trendmicro.com/assets/wp/wp-operation-tropic-trooper.pdf" target="_blank" data-hasqtip="212" aria-describedby="qtip-212">[213]</a> </td> </tr> <tr> <td> <a href="/software/S0647"> S0647 </a> </td> <td> <a href="/software/S0647"> Turian </a> </td> <td> <a href="/software/S0647">Turian</a> can retrieve usernames.<span onclick=scrollToRef('scite-214') id="scite-ref-214-a" class="scite-citeref-number" title="Adam Burgher. (2021, June 10). BackdoorDiplomacy: Upgrading from Quarian to Turian. Retrieved September 1, 2021"data-reference="ESET BackdoorDiplomacy Jun 2021"><a href="https://www.welivesecurity.com/2021/06/10/backdoordiplomacy-upgrading-quarian-turian/" target="_blank" data-hasqtip="213" aria-describedby="qtip-213">[214]</a> </td> </tr> <tr> <td> <a href="/software/S0130"> S0130 </a> </td> <td> <a href="/software/S0130"> Unknown Logger </a> </td> <td> <a href="/software/S0130">Unknown Logger</a> can obtain information about the victim usernames.<span onclick=scrollToRef('scite-215') id="scite-ref-215-a" class="scite-citeref-number" title="Settle, A., et al. (2016, August 8). MONSOON - Analysis Of An APT Campaign. Retrieved September 22, 2016."data-reference="Forcepoint Monsoon"><a href="https://www.forcepoint.com/sites/default/files/resources/files/forcepoint-security-labs-monsoon-analysis-report.pdf" target="_blank" data-hasqtip="214" aria-describedby="qtip-214">[215]</a> </td> </tr> <tr> <td> <a href="/software/S0275"> S0275 </a> </td> <td> <a href="/software/S0275"> UPPERCUT </a> </td> <td> <a href="/software/S0275">UPPERCUT</a> has the capability to collect the current logged on user’s username from a machine.<span onclick=scrollToRef('scite-216') id="scite-ref-216-a" class="scite-citeref-number" title="Matsuda, A., Muhammad I. (2018, September 13). APT10 Targeting Japanese Corporations Using Updated TTPs. Retrieved September 17, 2018."data-reference="FireEye APT10 Sept 2018"><a href="https://www.fireeye.com/blog/threat-research/2018/09/apt10-targeting-japanese-corporations-using-updated-ttps.html" target="_blank" data-hasqtip="215" aria-describedby="qtip-215">[216]</a> </td> </tr> <tr> <td> <a href="/software/S0476"> S0476 </a> </td> <td> <a href="/software/S0476"> Valak </a> </td> <td> <a href="/software/S0476">Valak</a> can gather information regarding the user.<span onclick=scrollToRef('scite-217') id="scite-ref-217-a" class="scite-citeref-number" title="Salem, E. et al. (2020, May 28). VALAK: MORE THAN MEETS THE EYE . Retrieved June 19, 2020."data-reference="Cybereason Valak May 2020"><a href="https://www.cybereason.com/blog/valak-more-than-meets-the-eye" target="_blank" data-hasqtip="216" aria-describedby="qtip-216">[217]</a> </td> </tr> <tr> <td> <a href="/software/S0257"> S0257 </a> </td> <td> <a href="/software/S0257"> VERMIN </a> </td> <td> <a href="/software/S0257">VERMIN</a> gathers the username from the victim’s machine.<span onclick=scrollToRef('scite-218') id="scite-ref-218-a" class="scite-citeref-number" title="Lancaster, T., Cortes, J. (2018, January 29). VERMIN: Quasar RAT and Custom Malware Used In Ukraine. Retrieved July 5, 2018."data-reference="Unit 42 VERMIN Jan 2018"><a href="https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/" target="_blank" data-hasqtip="217" aria-describedby="qtip-217">[218]</a> </td> </tr> <tr> <td> <a href="/groups/G1017"> G1017 </a> </td> <td> <a href="/groups/G1017"> Volt Typhoon </a> </td> <td> <a href="/groups/G1017">Volt Typhoon</a> has used public tools and executed the PowerShell command <code>Get-EventLog security -instanceid 4624</code> to identify associated user and computer account names.<span onclick=scrollToRef('scite-219') id="scite-ref-219-a" class="scite-citeref-number" title="NSA et al. (2023, May 24). People's Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection. Retrieved July 27, 2023."data-reference="Joint Cybersecurity Advisory Volt Typhoon June 2023"><a href="https://media.defense.gov/2023/May/24/2003229517/-1/-1/0/CSA_Living_off_the_Land.PDF" target="_blank" data-hasqtip="218" aria-describedby="qtip-218">[219]</a><span onclick=scrollToRef('scite-220') id="scite-ref-220-a" class="scite-citeref-number" title="Counter Threat Unit Research Team. (2023, May 24). Chinese Cyberespionage Group BRONZE SILHOUETTE Targets U.S. Government and Defense Organizations. Retrieved July 27, 2023."data-reference="Secureworks BRONZE SILHOUETTE May 2023"><a href="https://www.secureworks.com/blog/chinese-cyberespionage-group-bronze-silhouette-targets-us-government-and-defense-organizations" target="_blank" data-hasqtip="219" aria-describedby="qtip-219">[220]</a><span onclick=scrollToRef('scite-221') id="scite-ref-221-a" class="scite-citeref-number" title="CISA et al.. (2024, February 7). PRC State-Sponsored Actors Compromise and Maintain Persistent Access to U.S. Critical Infrastructure. Retrieved May 15, 2024."data-reference="CISA AA24-038A PRC Critical Infrastructure February 2024"><a href="https://www.cisa.gov/sites/default/files/2024-03/aa24-038a_csa_prc_state_sponsored_actors_compromise_us_critical_infrastructure_3.pdf" target="_blank" data-hasqtip="220" aria-describedby="qtip-220">[221]</a> </td> </tr> <tr> <td> <a href="/software/S0515"> S0515 </a> </td> <td> <a href="/software/S0515"> WellMail </a> </td> <td> <a href="/software/S0515">WellMail</a> can identify the current username on the victim system.<span onclick=scrollToRef('scite-222') id="scite-ref-222-a" class="scite-citeref-number" title="CISA. (2020, July 16). MAR-10296782-3.v1 – WELLMAIL. Retrieved September 29, 2020."data-reference="CISA WellMail July 2020"><a href="https://us-cert.cisa.gov/ncas/analysis-reports/ar20-198c" target="_blank" data-hasqtip="221" aria-describedby="qtip-221">[222]</a> </td> </tr> <tr> <td> <a href="/software/S0514"> S0514 </a> </td> <td> <a href="/software/S0514"> WellMess </a> </td> <td> <a href="/software/S0514">WellMess</a> can collect the username on the victim machine to send to C2.<span onclick=scrollToRef('scite-223') id="scite-ref-223-a" class="scite-citeref-number" title="CISA. (2020, July 16). MAR-10296782-2.v1 – WELLMESS. Retrieved September 24, 2020."data-reference="CISA WellMess July 2020"><a href="https://us-cert.cisa.gov/ncas/analysis-reports/ar20-198b" target="_blank" data-hasqtip="222" aria-describedby="qtip-222">[223]</a> </td> </tr> <tr> <td> <a href="/software/S0155"> S0155 </a> </td> <td> <a href="/software/S0155"> WINDSHIELD </a> </td> <td> <a href="/software/S0155">WINDSHIELD</a> can gather the victim user name.<span onclick=scrollToRef('scite-224') id="scite-ref-224-a" class="scite-citeref-number" title="Carr, N.. (2017, May 14). Cyber Espionage is Alive and Well: APT32 and the Threat to Global Corporations. Retrieved June 18, 2017."data-reference="FireEye APT32 May 2017"><a href="https://www.fireeye.com/blog/threat-research/2017/05/cyber-espionage-apt32.html" target="_blank" data-hasqtip="223" aria-describedby="qtip-223">[224]</a> </td> </tr> <tr> <td> <a href="/groups/G0112"> G0112 </a> </td> <td> <a href="/groups/G0112"> Windshift </a> </td> <td> <a href="/groups/G0112">Windshift</a> has used malware to identify the username on a compromised host.<span onclick=scrollToRef('scite-225') id="scite-ref-225-a" class="scite-citeref-number" title="The BlackBerry Research & Intelligence Team. (2020, October). BAHAMUT: Hack-for-Hire Masters of Phishing, Fake News, and Fake Apps. Retrieved February 8, 2021."data-reference="BlackBerry Bahamut"><a href="https://www.blackberry.com/us/en/pdfviewer?file=/content/dam/blackberry-com/asset/enterprise/pdf/direct/report-spark-bahamut.pdf" target="_blank" data-hasqtip="224" aria-describedby="qtip-224">[225]</a> </td> </tr> <tr> <td> <a href="/software/S0219"> S0219 </a> </td> <td> <a href="/software/S0219"> WINERACK </a> </td> <td> <a href="/software/S0219">WINERACK</a> can gather information on the victim username.<span onclick=scrollToRef('scite-87') id="scite-ref-87-a" class="scite-citeref-number" title="FireEye. (2018, February 20). APT37 (Reaper): The Overlooked North Korean Actor. Retrieved March 1, 2018."data-reference="FireEye APT37 Feb 2018"><a href="https://www2.fireeye.com/rs/848-DID-242/images/rpt_APT37.pdf" target="_blank" data-hasqtip="86" aria-describedby="qtip-86">[87]</a> </td> </tr> <tr> <td> <a href="/software/S0059"> S0059 </a> </td> <td> <a href="/software/S0059"> WinMM </a> </td> <td> <a href="/software/S0059">WinMM</a> uses NetUser-GetInfo to identify that it is running under an "Admin" account on the local system.<span onclick=scrollToRef('scite-200') id="scite-ref-200-a" class="scite-citeref-number" title="Baumgartner, K., Golovkin, M.. (2015, May). The MsnMM Campaigns: The Earliest Naikon APT Campaigns. Retrieved April 10, 2019."data-reference="Baumgartner Naikon 2015"><a href="https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2018/03/07205555/TheNaikonAPT-MsnMM1.pdf" target="_blank" data-hasqtip="199" aria-describedby="qtip-199">[200]</a> </td> </tr> <tr> <td> <a href="/groups/G1035"> G1035 </a> </td> <td> <a href="/groups/G1035"> Winter Vivern </a> </td> <td> <a href="/groups/G1035">Winter Vivern</a> PowerShell scripts execute <code>whoami</code> to identify the executing user.<span onclick=scrollToRef('scite-226') id="scite-ref-226-a" class="scite-citeref-number" title="Tom Hegel. (2023, March 16). Winter Vivern | Uncovering a Wave of Global Espionage. Retrieved July 29, 2024."data-reference="SentinelOne WinterVivern 2023"><a href="https://www.sentinelone.com/labs/winter-vivern-uncovering-a-wave-of-global-espionage/" target="_blank" data-hasqtip="225" aria-describedby="qtip-225">[226]</a> </td> </tr> <tr> <td> <a href="/groups/G0102"> G0102 </a> </td> <td> <a href="/groups/G0102"> Wizard Spider </a> </td> <td> <a href="/groups/G0102">Wizard Spider</a> has used "whoami" to identify the local user and their privileges.<span onclick=scrollToRef('scite-227') id="scite-ref-227-a" class="scite-citeref-number" title="Sean Gallagher, Peter Mackenzie, Elida Leite, Syed Shahram, Bill Kearney, Anand Aijan, Sivagnanam Gn, Suraj Mundalik. (2020, October 14). They’re back: inside a new Ryuk ransomware attack. Retrieved October 14, 2020."data-reference="Sophos New Ryuk Attack October 2020"><a href="https://news.sophos.com/en-us/2020/10/14/inside-a-new-ryuk-ransomware-attack/" target="_blank" data-hasqtip="226" aria-describedby="qtip-226">[227]</a> </td> </tr> <tr> <td> <a href="/software/S1065"> S1065 </a> </td> <td> <a href="/software/S1065"> Woody RAT </a> </td> <td> <a href="/software/S1065">Woody RAT</a> can retrieve a list of user accounts and usernames from an infected machine.<span onclick=scrollToRef('scite-228') id="scite-ref-228-a" class="scite-citeref-number" title="MalwareBytes Threat Intelligence Team. (2022, August 3). Woody RAT: A new feature-rich malware spotted in the wild. Retrieved December 6, 2022."data-reference="MalwareBytes WoodyRAT Aug 2022"><a href="https://www.malwarebytes.com/blog/threat-intelligence/2022/08/woody-rat-a-new-feature-rich-malware-spotted-in-the-wild" target="_blank" data-hasqtip="227" aria-describedby="qtip-227">[228]</a> </td> </tr> <tr> <td> <a href="/software/S0161"> S0161 </a> </td> <td> <a href="/software/S0161"> XAgentOSX </a> </td> <td> <a href="/software/S0161">XAgentOSX</a> contains the getInfoOSX function to return the OS X version as well as the current user.<span onclick=scrollToRef('scite-229') id="scite-ref-229-a" class="scite-citeref-number" title="Robert Falcone. (2017, February 14). XAgentOSX: Sofacy's Xagent macOS Tool. Retrieved July 12, 2017."data-reference="XAgentOSX 2017"><a href="https://researchcenter.paloaltonetworks.com/2017/02/unit42-xagentosx-sofacys-xagent-macos-tool/" target="_blank" data-hasqtip="228" aria-describedby="qtip-228">[229]</a> </td> </tr> <tr> <td> <a href="/software/S0248"> S0248 </a> </td> <td> <a href="/software/S0248"> yty </a> </td> <td> <a href="/software/S0248">yty</a> collects the victim’s username.<span onclick=scrollToRef('scite-230') id="scite-ref-230-a" class="scite-citeref-number" title="Schwarz, D., Sopko J. (2018, March 08). Donot Team Leverages New Modular Malware Framework in South Asia. Retrieved June 11, 2018."data-reference="ASERT Donot March 2018"><a href="https://www.arbornetworks.com/blog/asert/donot-team-leverages-new-modular-malware-framework-south-asia/" target="_blank" data-hasqtip="229" aria-describedby="qtip-229">[230]</a> </td> </tr> <tr> <td> <a href="/software/S0251"> S0251 </a> </td> <td> <a href="/software/S0251"> Zebrocy </a> </td> <td> <a href="/software/S0251">Zebrocy</a> gets the username from the system.<span onclick=scrollToRef('scite-231') id="scite-ref-231-a" class="scite-citeref-number" title="ESET. (2018, November 20). Sednit: What’s going on with Zebrocy?. Retrieved February 12, 2019."data-reference="ESET Zebrocy Nov 2018"><a href="https://www.welivesecurity.com/2018/11/20/sednit-whats-going-zebrocy/" target="_blank" data-hasqtip="230" aria-describedby="qtip-230">[231]</a><span onclick=scrollToRef('scite-232') id="scite-ref-232-a" class="scite-citeref-number" title="CISA. (2020, October 29). Malware Analysis Report (AR20-303B). Retrieved December 9, 2020."data-reference="CISA Zebrocy Oct 2020"><a href="https://us-cert.cisa.gov/ncas/analysis-reports/ar20-303b" target="_blank" data-hasqtip="231" aria-describedby="qtip-231">[232]</a> </td> </tr> <tr> <td> <a href="/groups/G0128"> G0128 </a> </td> <td> <a href="/groups/G0128"> ZIRCONIUM </a> </td> <td> <a href="/groups/G0128">ZIRCONIUM</a> has used a tool to capture the username on a compromised host in order to register it with C2.<span onclick=scrollToRef('scite-233') id="scite-ref-233-a" class="scite-citeref-number" title="Singh, S. and Antil, S. (2020, October 27). APT-31 Leverages COVID-19 Vaccine Theme and Abuses Legitimate Online Services. Retrieved March 24, 2021."data-reference="Zscaler APT31 Covid-19 October 2020"><a href="https://www.zscaler.com/blogs/security-research/apt-31-leverages-covid-19-vaccine-theme-and-abuses-legitimate-online" target="_blank" data-hasqtip="232" aria-describedby="qtip-232">[233]</a> </td> </tr> <tr> <td> <a href="/software/S0350"> S0350 </a> </td> <td> <a href="/software/S0350"> zwShell </a> </td> <td> <a href="/software/S0350">zwShell</a> can obtain the name of the logged-in user on the victim.<span onclick=scrollToRef('scite-142') id="scite-ref-142-a" class="scite-citeref-number" title="McAfee® Foundstone® Professional Services and McAfee Labs™. (2011, February 10). Global Energy Cyberattacks: "Night Dragon". Retrieved February 19, 2018."data-reference="McAfee Night Dragon"><a href="https://scadahacker.com/library/Documents/Cyber_Events/McAfee%20-%20Night%20Dragon%20-%20Global%20Energy%20Cyberattacks.pdf" target="_blank" data-hasqtip="141" aria-describedby="qtip-141">[142]</a> </td> </tr> <tr> <td> <a href="/software/S0412"> S0412 </a> </td> <td> <a href="/software/S0412"> ZxShell </a> </td> <td> <a href="/software/S0412">ZxShell</a> can collect the owner and organization information from the target workstation.<span onclick=scrollToRef('scite-234') id="scite-ref-234-a" class="scite-citeref-number" title="Allievi, A., et al. (2014, October 28). Threat Spotlight: Group 72, Opening the ZxShell. Retrieved September 24, 2019."data-reference="Talos ZxShell Oct 2014"><a href="https://blogs.cisco.com/security/talos/opening-zxshell" target="_blank" data-hasqtip="233" aria-describedby="qtip-233">[234]</a> </td> </tr> <tr> <td> <a href="/software/S1013"> S1013 </a> </td> <td> <a href="/software/S1013"> ZxxZ </a> </td> <td> <a href="/software/S1013">ZxxZ</a> can collect the username from a compromised host.<span onclick=scrollToRef('scite-235') id="scite-ref-235-a" class="scite-citeref-number" title="Raghuprasad, C . (2022, May 11). Bitter APT adds Bangladesh to their targets. Retrieved June 1, 2022."data-reference="Cisco Talos Bitter Bangladesh May 2022"><a href="https://blog.talosintelligence.com/2022/05/bitter-apt-adds-bangladesh-to-their.html" target="_blank" data-hasqtip="234" aria-describedby="qtip-234">[235]</a> </td> </tr> </tbody> </table> </div> <h2 class="pt-3" id ="mitigations">Mitigations</h2> This type of attack technique cannot be easily mitigated with preventive controls since it is based on the abuse of system features. <h2 class="pt-3" id="detection">Detection</h2> <div class="tables-mobile"> <table class="table datasources-table table-bordered"> <thead> <tr> <th class="p-2" scope="col">ID</th> <th class="p-2 nowrap" scope="col">Data Source</th> <th class="p-2 nowrap" scope="col">Data Component</th> <th class="p-2" scope="col">Detects</th> </tr> </thead> <tbody> <tr class="datasource" id="uses-DS0026"> <td> <a href="/datasources/DS0026">DS0026</a> </td> <td class="nowrap"> <a href="/datasources/DS0026">Active Directory</a> </td>  <td> <a href="/datasources/DS0026/#Active%20Directory%20Object%20Access">Active Directory Object Access</a> </td> <td> Monitor domain controller logs for replication requests and other unscheduled activity possibly associated with DCSync. <span onclick=scrollToRef('scite-236') id="scite-ref-236-a" class="scite-citeref-number" title="Microsoft. (2017, December 1). MS-DRSR Directory Replication Service (DRS) Remote Protocol. Retrieved December 4, 2017."data-reference="Microsoft DRSR Dec 2017"><a href="https://msdn.microsoft.com/library/cc228086.aspx" target="_blank" data-hasqtip="235" aria-describedby="qtip-235">[236]</a> <span onclick=scrollToRef('scite-237') id="scite-ref-237-a" class="scite-citeref-number" title="Microsoft. (n.d.). IDL_DRSGetNCChanges (Opnum 3). Retrieved December 4, 2017."data-reference="Microsoft GetNCCChanges"><a href="https://msdn.microsoft.com/library/dd207691.aspx" target="_blank" data-hasqtip="236" aria-describedby="qtip-236">[237]</a> <a href="https://wiki.samba.org/index.php/DRSUAPI" target="_blank" data-hasqtip="237" aria-describedby="qtip-237">[238]</a> Note: Domain controllers may not log replication requests originating from the default domain controller account. <span onclick=scrollToRef('scite-239') id="scite-ref-239-a" class="scite-citeref-number" title="Schroeder, W. (2015, September 22). Mimikatz and DCSync and ExtraSids, Oh My. Retrieved December 4, 2017."data-reference="Harmj0y DCSync Sept 2015"><a href="http://www.harmj0y.net/blog/redteaming/mimikatz-and-dcsync-and-extrasids-oh-my/" target="_blank" data-hasqtip="238" aria-describedby="qtip-238">[239]</a>. Monitor for replication requests <span onclick=scrollToRef('scite-240') id="scite-ref-240-a" class="scite-citeref-number" title="Microsoft. (n.d.). MS-SAMR Security Account Manager (SAM) Remote Protocol (Client-to-Server) - Transport. Retrieved December 4, 2017."data-reference="Microsoft SAMR"><a href="https://msdn.microsoft.com/library/cc245496.aspx" target="_blank" data-hasqtip="239" aria-describedby="qtip-239">[240]</a> from IPs not associated with known domain controllers. <span onclick=scrollToRef('scite-241') id="scite-ref-241-a" class="scite-citeref-number" title="Metcalf, S. (2015, September 25). Mimikatz DCSync Usage, Exploitation, and Detection. Retrieved December 4, 2017."data-reference="AdSecurity DCSync Sept 2015"><a href="https://adsecurity.org/?p=1729" target="_blank" data-hasqtip="240" aria-describedby="qtip-240">[241]</a> </td> </tr> <tr class="datasource" id="uses-DS0017"> <td> <a href="/datasources/DS0017">DS0017</a> </td> <td class="nowrap"> <a href="/datasources/DS0017">Command</a> </td>  <td> <a href="/datasources/DS0017/#Command%20Execution">Command Execution</a> </td> <td> Monitor executed commands and arguments that may attempt to dump credentials to obtain account login and credential material, normally in the form of a hash or a clear text password, from the operating system and software. Look for command-lines that invoke AuditD or the Security Accounts Manager (SAM). Remote access tools may contain built-in features or incorporate existing tools like <a href="/software/S0002">Mimikatz</a>. <a href="/techniques/T1059/001">PowerShell</a> scripts also exist that contain credential dumping functionality, such as PowerSploit's Invoke-Mimikatz module, <a href="https://github.com/mattifestation/PowerSploit" target="_blank" data-hasqtip="241" aria-describedby="qtip-241">[242]</a> which may require additional logging features to be configured in the operating system to collect necessary information for analysis.Note: Event ID 4104 (from the Microsoft-Windows-Powershell/Operational log) captures Powershell script blocks, which can be analyzed and used to detect on abuse of CMSTP. </td> </tr> <tr class="datasource" id="uses-DS0022"> <td> <a href="/datasources/DS0022">DS0022</a> </td> <td class="nowrap"> <a href="/datasources/DS0022">File</a> </td>  <td> <a href="/datasources/DS0022/#File%20Access">File Access</a> </td> <td> Monitor for hash dumpers opening the Security Accounts Manager (SAM) on the local file system (<code>%SystemRoot%/system32/config/SAM</code>). Some hash dumpers will open the local file system as a device and parse to the SAM table to avoid file access defenses. Others will make an in-memory copy of the SAM table before reading hashes. Detection of compromised <a href="/techniques/T1078">Valid Accounts</a> in-use by adversaries may help as well. </td> </tr> <tr class="datasource" id="uses-DS0029"> <td> <a href="/datasources/DS0029">DS0029</a> </td> <td class="nowrap"> <a href="/datasources/DS0029">Network Traffic</a> </td>  <td> <a href="/datasources/DS0029/#Network%20Traffic%20Content">Network Traffic Content</a> </td> <td> Monitor and analyze traffic patterns and packet inspection associated to protocol(s) that do not follow the expected protocol standards and traffic flows (e.g extraneous packets that do not belong to established flows, gratuitous or anomalous traffic patterns, anomalous syntax, or structure). Consider correlation with process monitoring and command line to detect anomalous processes execution and command line arguments associated to traffic patterns (e.g. monitor anomalies in use of files that do not normally initiate connections for respective protocol(s)).Note: Network Analysis frameworks such as Zeek can be used to capture, decode, and alert on network protocols. </td> </tr> <tr class="datacomponent datasource" id="uses-DS0029-Network Traffic Flow"> <td></td> <td></td> <td> <a href="/datasources/DS0029/#Network%20Traffic%20Flow">Network Traffic Flow</a> </td> <td> Monitor network data for uncommon data flows. Processes utilizing the network that do not normally have network communication or have never been seen before are suspicious. </td> </tr> <tr class="datasource" id="uses-DS0009"> <td> <a href="/datasources/DS0009">DS0009</a> </td> <td class="nowrap"> <a href="/datasources/DS0009">Process</a> </td>  <td> <a href="/datasources/DS0009/#OS%20API%20Execution">OS API Execution</a> </td> <td> Monitor for API calls that may attempt to dump credentials to obtain account login and credential material, normally in the form of a hash or a clear text password, from the operating system and software. </td> </tr> <tr class="datacomponent datasource" id="uses-DS0009-Process Access"> <td></td> <td></td> <td> <a href="/datasources/DS0009/#Process%20Access">Process Access</a> </td> <td> Monitor for unexpected processes interacting with lsass.exe.<span onclick=scrollToRef('scite-243') id="scite-ref-243-a" class="scite-citeref-number" title="French, D. (2018, October 2). Detecting Attempts to Steal Passwords from Memory. Retrieved October 11, 2019."data-reference="Medium Detecting Attempts to Steal Passwords from Memory"><a href="https://medium.com/threatpunter/detecting-attempts-to-steal-passwords-from-memory-558f16dce4ea" target="_blank" data-hasqtip="242" aria-describedby="qtip-242">[243]</a> Common credential dumpers such as <a href="/software/S0002">Mimikatz</a> access the LSA Subsystem Service (LSASS) process by opening the process, locating the LSA secrets key, and decrypting the sections in memory where credential details are stored. Credential dumpers may also use methods for reflective <a href="/techniques/T1055">Process Injection</a> to reduce potential indicators of malicious activity.<h5>Linux</h5>To obtain the passwords and hashes stored in memory, processes must open a maps file in the /proc filesystem for the process being analyzed. This file is stored under the path <code>/proc/<pid>/maps</code>, where the <code><pid></code> directory is the unique pid of the program being interrogated for such authentication data. The AuditD monitoring tool, which ships stock in many Linux distributions, can be used to watch for hostile processes opening this file in the proc file system, alerting on the pid, process name, and arguments of such programs. </td> </tr> <tr class="datacomponent datasource" id="uses-DS0009-Process Creation"> <td></td> <td></td> <td> <a href="/datasources/DS0009/#Process%20Creation">Process Creation</a> </td> <td> Monitor for newly executed processes that may be indicative of credential dumping. On Windows 8.1 and Windows Server 2012 R2, monitor Windows Logs for LSASS.exe creation to verify that LSASS started as a protected process.Note: Event IDs are for Sysmon (Event ID 1 - process create) and Windows Security Log (Event ID 4688 - a new process has been created). The Analytic looks for any instances of <a href="/software/S0110">at</a> being created, therefore implying the querying or creation of tasks. If this tools is commonly used in your environment (e.g., by system administrators) this may lead to false positives and this analytic will therefore require tuning. Analytic 1 - Suspicious Process Execution<code> (sourcetype="WinEventLog:Microsoft-Windows-Sysmon/Operational" EventCode="1") OR (sourcetype="WinEventLog:Security" EventCode="4688") AND Image="*at.exe"</code> </td> </tr> <tr class="datasource" id="uses-DS0024"> <td> <a href="/datasources/DS0024">DS0024</a> </td> <td class="nowrap"> <a href="/datasources/DS0024">Windows Registry</a> </td>  <td> <a href="/datasources/DS0024/#Windows%20Registry%20Key%20Access">Windows Registry Key Access</a> </td> <td> Monitor for the SAM registry key being accessed that may attempt to dump credentials to obtain account login and credential material, normally in the form of a hash or a clear text password, from the operating system and software. </td> </tr> </tbody> </table> </div> <h2 class="pt-3" id="references">References</h2> <div class="row"> <div class="col"> <ol> <li> <a rel="nofollow" class="external text" name="scite-1" href="https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/security/s1/sec-s1-cr-book/sec-cr-s5.html" target="_blank"> Cisco. 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