Search Closed Sources: Purchase Technical Data, Sub-technique T1597.002 - 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"><a href="/techniques/T1597">Search Closed Sources</a></li> <li class="breadcrumb-item">Purchase Technical Data</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=""> <span id="subtechnique-parent-name">Search Closed Sources:</span> Purchase Technical Data </h1> <div class="row"> <div class="col-md-8">  <div class="card-block pb-2"> <div class="card"> <div class="card-header collapsed" id="subtechniques-card-header" data-toggle="collapse" data-target="#subtechniques-card-body" aria-expanded="false" aria-controls="subtechniques-card-body"> <h5 class="mb-0" id ="sub-techniques">Other sub-techniques of Search Closed Sources (2)</h5> </div> <div id="subtechniques-card-body" class="card-body p-0 collapse" aria-labelledby="subtechniques-card-header"> <table class="table table-bordered"> <thead> <tr> <th scope="col">ID</th> <th scope="col">Name</th> </tr> </thead> <tbody> <tr> <td> <a href="/techniques/T1597/001/" class="subtechnique-table-item" data-subtechnique_id="T1597.001"> T1597.001 </a> </td> <td> <a href="/techniques/T1597/001/" class="subtechnique-table-item" data-subtechnique_id="T1597.001"> Threat Intel Vendors </a> </td> </tr> <tr> <td class="active"> T1597.002 </td> <td class="active"> Purchase Technical Data </td> </tr> </tbody> </table> </div> </div> </div>  <div class="description-body"> <p>Adversaries may purchase technical information about victims that can be used during targeting. Information about victims may be available for purchase within reputable private sources and databases, such as paid subscriptions to feeds of scan databases or other data aggregation services. Adversaries may also purchase information from less-reputable sources such as dark web or cybercrime blackmarkets.</p><p>Adversaries may purchase information about their already identified targets, or use purchased data to discover opportunities for successful breaches. Threat actors may gather various technical details from purchased data, including but not limited to employee contact information, credentials, or specifics regarding a victim鈥檚 infrastructure.<span onclick=scrollToRef('scite-1') id="scite-ref-1-a" class="scite-citeref-number" title="Cimpanu, C. (2020, May 9). A hacker group is selling more than 73 million user records on the dark web. Retrieved October 20, 2020."data-reference="ZDNET Selling Data"><sup><a href="https://www.zdnet.com/article/a-hacker-group-is-selling-more-than-73-million-user-records-on-the-dark-web/" target="_blank" data-hasqtip="0" aria-describedby="qtip-0">[1]</a></sup></span> Information from these sources may reveal opportunities for other forms of reconnaissance (ex: <a href="/techniques/T1598">Phishing for Information</a> or <a href="/techniques/T1593">Search Open Websites/Domains</a>), establishing operational resources (ex: <a href="/techniques/T1587">Develop Capabilities</a> or <a href="/techniques/T1588">Obtain Capabilities</a>), and/or initial access (ex: <a href="/techniques/T1133">External Remote Services</a> or <a href="/techniques/T1078">Valid Accounts</a>).</p> </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"> <span class="h5 card-title">ID: </span>T1597.002 </div> </div>  <div class="row card-data"> <div class="col-md-1 px-0 text-center"></div> <div class="col-md-11 pl-0"> <span class="h5 card-title">Sub-technique of: </span> <a href="/techniques/T1597">T1597</a> </div> </div>  <div id="card-tactics" class="row card-data"> <div class="col-md-1 px-0 text-center"> <span data-toggle="tooltip" data-placement="left" title="" data-test-ignore="true" data-original-title="The tactic objectives that the (sub-)technique can be used to accomplish">ⓘ</span> </div> <div class="col-md-11 pl-0"> <span class="h5 card-title">Tactic:</span> <a href="/tactics/TA0043">Reconnaissance</a> </div> </div> <div class="row card-data"> <div class="col-md-1 px-0 text-center"> <span data-toggle="tooltip" data-placement="left" title="" data-test-ignore="true" data-original-title="The system an adversary is operating within; could be an operating system or application">ⓘ</span> </div> <div class="col-md-11 pl-0"> <span class="h5 card-title">Platforms: </span>PRE </div> </div> <div class="row card-data"> <div class="col-md-1 px-0 text-center"></div> <div class="col-md-11 pl-0"> <span class="h5 card-title">Version: </span>1.0 </div> </div> <div class="row card-data"> <div class="col-md-1 px-0 text-center"></div> <div class="col-md-11 pl-0"> <span class="h5 card-title">Created: </span>02 October 2020 </div> </div> <div class="row card-data"> <div class="col-md-1 px-0 text-center"></div> <div class="col-md-11 pl-0"> <span class="h5 card-title">Last Modified: </span>15 April 2021 </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 T1597.002" href="/versions/v16/techniques/T1597/002/" 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 T1597.002" href="/versions/v16/techniques/T1597/002/" 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="/groups/G1004"> G1004 </a> </td> <td> <a href="/groups/G1004"> LAPSUS$ </a> </td> <td> <p><a href="/groups/G1004">LAPSUS$</a> has purchased credentials and session tokens from criminal underground forums.<span onclick=scrollToRef('scite-2') id="scite-ref-2-a" class="scite-citeref-number" title="MSTIC, DART, M365 Defender. (2022, March 24). DEV-0537 Criminal Actor Targeting Organizations for Data Exfiltration and Destruction. Retrieved May 17, 2022."data-reference="MSTIC DEV-0537 Mar 2022"><sup><a href="https://www.microsoft.com/security/blog/2022/03/22/dev-0537-criminal-actor-targeting-organizations-for-data-exfiltration-and-destruction/" target="_blank" data-hasqtip="1" aria-describedby="qtip-1">[2]</a></sup></span></p> </td> </tr> </tbody> </table> </div> <h2 class="pt-3" id ="mitigations">Mitigations</h2> <div class="tables-mobile"> <table class="table table-bordered table-alternate mt-2"> <thead> <tr> <th scope="col">ID</th> <th scope="col">Mitigation</th> <th scope="col">Description</th> </tr> </thead> <tbody> <tr> <td> <a href="/mitigations/M1056"> M1056 </a> </td> <td> <a href="/mitigations/M1056"> Pre-compromise </a> </td> <td> <p>This technique cannot be easily mitigated with preventive controls since it is based on behaviors performed outside of the scope of enterprise defenses and controls. Efforts should focus on minimizing the amount and sensitivity of data available to external parties.</p> </td> </tr> </tbody> </table> </div> <h2 class="pt-3" id="detection">Detection</h2> <div> <p>Much of this activity may have a very high occurrence and associated false positive rate, as well as potentially taking place outside the visibility of the target organization, making detection difficult for defenders.</p><p>Detection efforts may be focused on related stages of the adversary lifecycle, such as during Initial Access.</p> </div> <h2 class="pt-3" id="references">References</h2> <div class="row"> <div class="col"> <ol> <li> <span id="scite-1" class="scite-citation"> <span class="scite-citation-text"> <a rel="nofollow" class="external text" name="scite-1" href="https://www.zdnet.com/article/a-hacker-group-is-selling-more-than-73-million-user-records-on-the-dark-web/" target="_blank"> Cimpanu, C. (2020, May 9). A hacker group is selling more than 73 million user records on the dark web. Retrieved October 20, 2020. </a> </span> </span> </li> </ol> </div> <div class="col"> <ol start="2.0"> <li> <span id="scite-2" class="scite-citation"> <span class="scite-citation-text"> <a rel="nofollow" class="external text" name="scite-2" href="https://www.microsoft.com/security/blog/2022/03/22/dev-0537-criminal-actor-targeting-organizations-for-data-exfiltration-and-destruction/" target="_blank"> MSTIC, DART, M365 Defender. (2022, March 24). DEV-0537 Criminal Actor Targeting Organizations for Data Exfiltration and Destruction. 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Search Closed Sources: Purchase Technical Data, Sub-technique T1597.002 - Enterprise | MITRE ATT&CK®