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<span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> <p class="header_title"> <a href="https://adsecurity.org" title="Go back to the front page"> Active Directory Security </a> </p> <p class="header_desc">Active Directory & Enterprise Security, Methods to Secure Active Directory, Attack Methods & Effective Defenses, PowerShell, Tech Notes, & Geek Trivia…</p> </div> <div class="collapse navbar-collapse" id="header-menu-wrap"> <ul class="nav navbar-nav flip"><li ><a href="https://adsecurity.org/">Home</a></li><li class="menu-item menu-item-8"><a href="https://adsecurity.org/?page_id=8" >About</a></li><li class="menu-item menu-item-41"><a href="https://adsecurity.org/?page_id=41" >AD Resources</a></li><li class="menu-item menu-item-4031"><a href="https://adsecurity.org/?page_id=4031" >Attack Defense & Detection</a></li><li class="menu-item menu-item-293"><a href="https://adsecurity.org/?page_id=293" >Contact</a></li><li class="menu-item 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category-microsoft-security category-technical-reference tag-ap-req tag-audit-kerberos-service-ticket-operations tag-detect-kerberoast-activity tag-detecting-kerberoast-activity tag-event-id-4769 tag-kerberoast-honeypot tag-kerberoasting-activity tag-kerberos-rc4-encryption tag-kerberos-service-ticket tag-kerberos-tgs tag-kerberos-tgs-ticket tag-ntlm-password tag-rc4_hmac_md5 tag-service-account-honeypot tag-tgs-rep tag-tgs-req item-wrap"> <div class="entry clearfix"> <div class="post-date date alpha with-year"> <p class="default_date"> <span class="month">Feb</span> <span class="day">08</span> <span class="year">2017</span> </p> </div> <h2 class="post-title entry-title"> <a href="https://adsecurity.org/?p=3513" rel="bookmark" title="Permalink to Detecting Kerberoasting Activity Part 2 – Creating a Kerberoast Service Account Honeypot"> Detecting Kerberoasting Activity Part 2 – Creating a Kerberoast Service Account Honeypot </a> </h2> <ul class="post-meta entry-meta clearfix"> <li class="byline"> By <span class="author"><a href="https://adsecurity.org/?author=2" rel="author">Sean Metcalf</a></span><span class="entry-cat"> in <span class="terms"><a class="term term-category term-565" href="https://adsecurity.org/?cat=565">ActiveDirectorySecurity</a>, <a class="term term-category term-11" href="https://adsecurity.org/?cat=11">Microsoft Security</a>, <a class="term term-category term-2" href="https://adsecurity.org/?cat=2">Technical Reference</a></span></span> </li> </ul> <div class="entry-content clearfix"> <p class="excerpt-thumb"> <a href="https://adsecurity.org/?p=3513" rel="bookmark" title="Permalink to Detecting Kerberoasting Activity Part 2 – Creating a Kerberoast Service Account Honeypot"> <img width="300" height="58" src="https://adsecurity.org/wp-content/uploads/2017/02/Kerberoast-HoneyPot-Account-Discovery1-300x58.jpg" class="attachment-medium size-medium wp-post-image" alt="" decoding="async" srcset="https://adsecurity.org/wp-content/uploads/2017/02/Kerberoast-HoneyPot-Account-Discovery1-300x58.jpg 300w, https://adsecurity.org/wp-content/uploads/2017/02/Kerberoast-HoneyPot-Account-Discovery1-768x149.jpg 768w, https://adsecurity.org/wp-content/uploads/2017/02/Kerberoast-HoneyPot-Account-Discovery1-1024x198.jpg 1024w, https://adsecurity.org/wp-content/uploads/2017/02/Kerberoast-HoneyPot-Account-Discovery1.jpg 1333w" sizes="(max-width: 300px) 100vw, 300px" /> </a> </p> <p>In my previous post, “Detecting Kerberoasting Activity”聽 I explain how Kerberoasting works and describe how to detect potential Kerberoasting activity. The trick to this is understanding what activity is normal in order to filter out the noise and increase the fidelity of the alert. This post describes how to filter from millions of events to … </p> <p><a class="more-link btn" href="https://adsecurity.org/?p=3513">Continue reading</a></p> </div> <ul class="entry-footer"> <li class="post-tags col-sm-8"><i class="fa fa-tags" title="Tags"></i> <span class="terms"><a class="term term-tagpost_tag term-1132" href="https://adsecurity.org/?tag=ap-req">AP-REQ</a>, <a class="term term-tagpost_tag term-1135" href="https://adsecurity.org/?tag=audit-kerberos-service-ticket-operations">Audit Kerberos Service Ticket Operations</a>, <a class="term term-tagpost_tag term-1125" href="https://adsecurity.org/?tag=detect-kerberoast-activity">Detect Kerberoast Activity</a>, <a class="term term-tagpost_tag term-1133" href="https://adsecurity.org/?tag=detecting-kerberoast-activity">Detecting Kerberoast activity</a>, <a class="term term-tagpost_tag term-1134" href="https://adsecurity.org/?tag=event-id-4769">Event ID 4769</a>, <a class="term term-tagpost_tag term-1153" href="https://adsecurity.org/?tag=kerberoast-honeypot">Kerberoast honeypot</a>, <a class="term term-tagpost_tag term-1126" href="https://adsecurity.org/?tag=kerberoasting-activity">Kerberoasting activity</a>, <a class="term term-tagpost_tag term-1131" href="https://adsecurity.org/?tag=kerberos-rc4-encryption">Kerberos RC4 Encryption</a>, <a class="term term-tagpost_tag term-1129" href="https://adsecurity.org/?tag=kerberos-service-ticket">Kerberos Service Ticket</a>, <a class="term term-tagpost_tag term-1128" href="https://adsecurity.org/?tag=kerberos-tgs">Kerberos TGS</a>, <a class="term term-tagpost_tag term-1127" href="https://adsecurity.org/?tag=kerberos-tgs-ticket">Kerberos TGS Ticket</a>, <a class="term term-tagpost_tag term-1130" href="https://adsecurity.org/?tag=ntlm-password">NTLM Password</a>, <a class="term term-tagpost_tag term-708" href="https://adsecurity.org/?tag=rc4_hmac_md5">RC4_HMAC_MD5</a>, <a class="term term-tagpost_tag term-1154" href="https://adsecurity.org/?tag=service-account-honeypot">service account honeypot</a>, <a class="term term-tagpost_tag term-571" href="https://adsecurity.org/?tag=tgs-rep">TGS-REP</a>, <a class="term term-tagpost_tag term-570" href="https://adsecurity.org/?tag=tgs-req">TGS-REQ</a></span></li> </ul> </div> </div> <div id="post-3458" class="clearfix post post-3458 type-post status-publish format-standard has-post-thumbnail hentry category-activedirectorysecurity category-hacking category-microsoft-security category-technical-reference tag-ap-req tag-audit-kerberos-service-ticket-operations tag-detect-kerberoast-activity tag-detecting-kerberoast-activity tag-event-id-4769 tag-kerberoasting-active-directory tag-kerberoasting-activity tag-kerberos-rc4-encryption tag-kerberos-service-ticket tag-kerberos-tgs tag-kerberos-tgs-ticket tag-kerberosrequestorsecuritytoken tag-ntlm-password tag-powershell-kerberoast tag-rc4_hmac_md5 tag-tgs-rep tag-tgs-req item-wrap"> <div class="entry clearfix"> <div class="post-date date alpha with-year"> <p class="default_date"> <span class="month">Feb</span> <span class="day">05</span> <span class="year">2017</span> </p> </div> <h2 class="post-title entry-title"> <a href="https://adsecurity.org/?p=3458" rel="bookmark" title="Permalink to Detecting Kerberoasting Activity"> Detecting Kerberoasting Activity </a> </h2> <ul class="post-meta entry-meta clearfix"> <li class="byline"> By <span class="author"><a href="https://adsecurity.org/?author=2" rel="author">Sean Metcalf</a></span><span class="entry-cat"> in <span class="terms"><a class="term term-category term-565" href="https://adsecurity.org/?cat=565">ActiveDirectorySecurity</a>, <a class="term term-category term-1039" href="https://adsecurity.org/?cat=1039">Hacking</a>, <a class="term term-category term-11" href="https://adsecurity.org/?cat=11">Microsoft Security</a>, <a class="term term-category term-2" href="https://adsecurity.org/?cat=2">Technical Reference</a></span></span> </li> </ul> <div class="entry-content clearfix"> <p class="excerpt-thumb"> <a href="https://adsecurity.org/?p=3458" rel="bookmark" title="Permalink to Detecting Kerberoasting Activity"> <img width="300" height="267" src="https://adsecurity.org/wp-content/uploads/2017/02/Kerberoast-Multiple-RC4-Requests-300x267.jpg" class="attachment-medium size-medium wp-post-image" alt="" decoding="async" fetchpriority="high" srcset="https://adsecurity.org/wp-content/uploads/2017/02/Kerberoast-Multiple-RC4-Requests-300x267.jpg 300w, https://adsecurity.org/wp-content/uploads/2017/02/Kerberoast-Multiple-RC4-Requests-768x684.jpg 768w, https://adsecurity.org/wp-content/uploads/2017/02/Kerberoast-Multiple-RC4-Requests-1024x911.jpg 1024w, https://adsecurity.org/wp-content/uploads/2017/02/Kerberoast-Multiple-RC4-Requests.jpg 1192w" sizes="(max-width: 300px) 100vw, 300px" /> </a> </p> <p>Introduction Kerberoasting can be an effective method for extracting service account credentials from Active Directory as a regular user without sending any packets to the target system. This attack is effective since people tend to create poor passwords. The reason why this attack is successful is that most service account passwords are the same length … </p> <p><a class="more-link btn" href="https://adsecurity.org/?p=3458">Continue reading</a></p> </div> <ul class="entry-footer"> <li class="post-tags col-sm-8"><i class="fa fa-tags" title="Tags"></i> <span class="terms"><a class="term term-tagpost_tag term-1132" href="https://adsecurity.org/?tag=ap-req">AP-REQ</a>, <a class="term term-tagpost_tag term-1135" href="https://adsecurity.org/?tag=audit-kerberos-service-ticket-operations">Audit Kerberos Service Ticket Operations</a>, <a class="term term-tagpost_tag term-1125" href="https://adsecurity.org/?tag=detect-kerberoast-activity">Detect Kerberoast Activity</a>, <a class="term term-tagpost_tag term-1133" href="https://adsecurity.org/?tag=detecting-kerberoast-activity">Detecting Kerberoast activity</a>, <a class="term term-tagpost_tag term-1134" href="https://adsecurity.org/?tag=event-id-4769">Event ID 4769</a>, <a class="term term-tagpost_tag term-1156" href="https://adsecurity.org/?tag=kerberoasting-active-directory">Kerberoasting Active Directory</a>, <a class="term term-tagpost_tag term-1126" href="https://adsecurity.org/?tag=kerberoasting-activity">Kerberoasting activity</a>, <a class="term term-tagpost_tag term-1131" href="https://adsecurity.org/?tag=kerberos-rc4-encryption">Kerberos RC4 Encryption</a>, <a class="term term-tagpost_tag term-1129" href="https://adsecurity.org/?tag=kerberos-service-ticket">Kerberos Service Ticket</a>, <a class="term term-tagpost_tag term-1128" href="https://adsecurity.org/?tag=kerberos-tgs">Kerberos TGS</a>, <a class="term term-tagpost_tag term-1127" href="https://adsecurity.org/?tag=kerberos-tgs-ticket">Kerberos TGS Ticket</a>, <a class="term term-tagpost_tag term-1142" href="https://adsecurity.org/?tag=kerberosrequestorsecuritytoken">KerberosRequestorSecurityToken</a>, <a class="term term-tagpost_tag term-1130" href="https://adsecurity.org/?tag=ntlm-password">NTLM Password</a>, <a class="term term-tagpost_tag term-1155" href="https://adsecurity.org/?tag=powershell-kerberoast">PowerShell Kerberoast</a>, <a class="term term-tagpost_tag term-708" href="https://adsecurity.org/?tag=rc4_hmac_md5">RC4_HMAC_MD5</a>, <a class="term term-tagpost_tag term-571" href="https://adsecurity.org/?tag=tgs-rep">TGS-REP</a>, <a class="term term-tagpost_tag term-570" href="https://adsecurity.org/?tag=tgs-req">TGS-REQ</a></span></li> </ul> </div> </div> </div> </div> <div id="sidebar1" class="sidebar sidebar-right widget-area col-md-4"> <div id="recent-posts-4" class="sidebar-wrap widget_recent_entries"> <h3>Recent Posts</h3> <ul> <li> <a href="https://adsecurity.org/?p=4436">BSides Dublin – The Current State of Microsoft Identity Security: Common Security Issues and Misconfigurations – Sean Metcalf</a> </li> <li> <a href="https://adsecurity.org/?p=4434">DEFCON 2017: Transcript – Hacking the Cloud</a> </li> <li> <a href="https://adsecurity.org/?p=4432">Detecting the Elusive: Active Directory Threat Hunting</a> </li> <li> <a href="https://adsecurity.org/?p=4430">Detecting Kerberoasting Activity</a> </li> <li> <a href="https://adsecurity.org/?p=4428">Detecting Password Spraying with Security Event Auditing</a> </li> </ul> </div><div id="text-3" class="sidebar-wrap widget_text"><h3>Trimarc Active Directory Security Services</h3> <div class="textwidget">Have concerns about your Active Directory environment? 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