May 2014 – Active Directory Security

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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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clearfix"> <div class="post-date date alpha with-year"> <p class="default_date"> <span class="month">May</span> <span class="day">29</span> <span class="year">2014</span> </p> </div> <h2 class="post-title entry-title"> <a href="https://adsecurity.org/?p=87" rel="bookmark" title="Permalink to PowerShell: Useful WMI Classes"> PowerShell: Useful WMI Classes </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-2" href="https://adsecurity.org/?cat=2">Technical Reference</a></span></span> </li> </ul> <div class="entry-content clearfix"> <p>Here are some WMI Classes I have found useful: Get-WmiObject -Class Win32_BIOS Get-WmiObject -Class Win32_ComputerSystem Get-WmiObject -Class Win32_OperatingSystem Get-WmiObject -Class Win32_NetworkAdapter Get-WmiObject -Class Win32_NetworkAdapterConfiguration Get-WmiObject -Class Win32_Product Enumerating Win32 WMI Classes: [array]$WMINames = Get-WmiObject -Query ‘Select * From Meta_Class WHERE __Class LIKE “win32%”‘ | Where-Object { $_.PSBase.Methods } | Select-Object Name, Methods $WMINames = $WMINames … </p> <p><a class="more-link btn" href="https://adsecurity.org/?p=87">Continue reading</a></p> </div> </div> </div> <div id="post-81" class="clearfix post post-81 type-post status-publish format-standard hentry category-powershell tag-activedirectory tag-adtombstonelifetime tag-powershellcode item-wrap"> <div class="entry clearfix"> <div class="post-date date alpha with-year"> <p class="default_date"> <span class="month">May</span> <span class="day">27</span> <span class="year">2014</span> </p> </div> <h2 class="post-title entry-title"> <a href="https://adsecurity.org/?p=81" rel="bookmark" title="Permalink to PowerShell Code: Get & Set Active Directory Tombstone Lifetime and Active Directory Delete & Recycle Operations"> PowerShell Code: Get & Set Active Directory Tombstone Lifetime and Active Directory Delete & Recycle Operations </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-7" href="https://adsecurity.org/?cat=7">PowerShell</a></span></span> </li> </ul> <div class="entry-content clearfix"> <p>Active Directory is a multi-master database replicated among multiple Domain Controllers. In order to ensure that objects are fully replicated before deletions are processed (purged), objects that are marked for deletion before they are completely purged from Active Directory. Active Directory marks the object as deleted by performing the following actions on the object: The … </p> <p><a class="more-link btn" href="https://adsecurity.org/?p=81">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-20" href="https://adsecurity.org/?tag=activedirectory">ActiveDirectory</a>, <a class="term term-tagpost_tag term-23" href="https://adsecurity.org/?tag=adtombstonelifetime">ADTombStoneLifetime</a>, <a class="term term-tagpost_tag term-22" href="https://adsecurity.org/?tag=powershellcode">PowerShellCode</a></span></li> </ul> </div> </div> <div id="post-72" class="clearfix post post-72 type-post status-publish format-standard hentry category-continuing-education tag-activedirectory tag-msteched2014 tag-security tag-techedsessions item-wrap"> <div class="entry clearfix"> <div class="post-date date alpha with-year"> <p class="default_date"> <span class="month">May</span> <span class="day">22</span> <span class="year">2014</span> </p> </div> <h2 class="post-title entry-title"> <a href="https://adsecurity.org/?p=72" rel="bookmark" title="Permalink to Microsoft TechEd 2014 Sessions Posted"> Microsoft TechEd 2014 Sessions Posted </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-17" href="https://adsecurity.org/?cat=17">Continuing Education</a></span></span> </li> </ul> <div class="entry-content clearfix"> <p>One of the toughest parts of being in the IT field is staying up to date with technology trends, directions, and products. I have found that free-to-view online content is a great way to do this. Microsoft has TechEd sessions posted going back to 2008: 2014 2013 2012 2011 2010 2009 2008 Here are some … </p> <p><a class="more-link btn" href="https://adsecurity.org/?p=72">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-20" href="https://adsecurity.org/?tag=activedirectory">ActiveDirectory</a>, <a class="term term-tagpost_tag term-18" href="https://adsecurity.org/?tag=msteched2014">MSTechEd2014</a>, <a class="term term-tagpost_tag term-576" href="https://adsecurity.org/?tag=security">Security</a>, <a class="term term-tagpost_tag term-19" href="https://adsecurity.org/?tag=techedsessions">TechEdSessions</a></span></li> </ul> </div> </div> <div id="post-265" class="clearfix post post-265 type-post status-publish format-standard hentry category-technical-reference tag-ad2012 tag-virtualize-dcs tag-windowsserver2012 item-wrap"> <div class="entry clearfix"> <div class="post-date date alpha with-year"> <p class="default_date"> <span class="month">May</span> <span class="day">22</span> <span class="year">2014</span> </p> </div> <h2 class="post-title entry-title"> <a href="https://adsecurity.org/?p=265" rel="bookmark" title="Permalink to Virtualization Updates to Active Directory 2012"> Virtualization Updates to Active Directory 2012 </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-2" href="https://adsecurity.org/?cat=2">Technical Reference</a></span></span> </li> </ul> <div class="entry-content clearfix"> <p>As part of the many updates to Active Directory, one of the most interesting is virtualization safeguarding in Windows Server 2012. Active Directory Domain Controllers running Windows Server 2012 can now identify if they are virtualized and have been improperly restored or cloned (copied). Windows Server 2012 introduces a new feature called the VM Generation … </p> <p><a class="more-link btn" href="https://adsecurity.org/?p=265">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-94" href="https://adsecurity.org/?tag=ad2012">AD2012</a>, <a class="term term-tagpost_tag term-95" href="https://adsecurity.org/?tag=virtualize-dcs">Virtualize DCs</a>, <a class="term term-tagpost_tag term-47" href="https://adsecurity.org/?tag=windowsserver2012">WindowsServer2012</a></span></li> </ul> </div> </div> <div id="post-69" class="clearfix post post-69 type-post status-publish format-standard hentry category-microsoft-security category-technical-reference tag-microsoftbluehat tag-securitysession item-wrap"> <div class="entry clearfix"> <div class="post-date date alpha with-year"> <p class="default_date"> <span class="month">May</span> <span class="day">20</span> <span class="year">2014</span> </p> </div> <h2 class="post-title entry-title"> <a href="https://adsecurity.org/?p=69" rel="bookmark" title="Permalink to Microsoft BlueHat Resources"> Microsoft BlueHat Resources </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-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>Microsoft has their own internal employee security conference called “BlueHat“. Here are session links from the past few years:</p><p><a class="more-link btn" href="https://adsecurity.org/?p=69">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-15" href="https://adsecurity.org/?tag=microsoftbluehat">MicrosoftBlueHat</a>, <a class="term term-tagpost_tag term-16" href="https://adsecurity.org/?tag=securitysession">SecuritySession</a></span></li> </ul> </div> </div> <div id="post-63" class="clearfix post post-63 type-post status-publish format-standard hentry category-microsoft-security category-technical-reference tag-activedirectory tag-gpp tag-grouppolicy tag-grouppolicypassword tag-grouppolicypreferencespassword tag-grouppolicypreferencesvulnerability tag-microsoftpatch tag-ms14-025 tag-ms14025 tag-sysvolxml tag-vulnerability item-wrap"> <div class="entry clearfix"> <div class="post-date date alpha with-year"> <p class="default_date"> <span class="month">May</span> <span class="day">15</span> <span class="year">2014</span> </p> </div> <h2 class="post-title entry-title"> <a href="https://adsecurity.org/?p=63" rel="bookmark" title="Permalink to Group Policy Preferences Password Vulnerability Now Patched"> Group Policy Preferences Password Vulnerability Now Patched </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-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>Looks like Microsoft finally removed the ability to set admin account passwords through GPP due to the Group Policy Preferences password聽 exposure vulnerability. More information on how Group Policy Preferences are attacked is in the post “Finding Passwords in SYSVOL & Exploiting Group Policy Preferences“. Because of the security concerns with storing passwords in Group … </p> <p><a class="more-link btn" href="https://adsecurity.org/?p=63">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-20" href="https://adsecurity.org/?tag=activedirectory">ActiveDirectory</a>, <a class="term term-tagpost_tag term-12" href="https://adsecurity.org/?tag=gpp">GPP</a>, <a class="term term-tagpost_tag term-196" href="https://adsecurity.org/?tag=grouppolicy">GroupPolicy</a>, <a class="term term-tagpost_tag term-195" href="https://adsecurity.org/?tag=grouppolicypassword">GroupPolicyPassword</a>, <a class="term term-tagpost_tag term-191" href="https://adsecurity.org/?tag=grouppolicypreferencespassword">GroupPolicyPreferencesPassword</a>, <a class="term term-tagpost_tag term-194" href="https://adsecurity.org/?tag=grouppolicypreferencesvulnerability">GroupPolicyPreferencesVulnerability</a>, <a class="term term-tagpost_tag term-13" href="https://adsecurity.org/?tag=microsoftpatch">MicrosoftPatch</a>, <a class="term term-tagpost_tag term-323" href="https://adsecurity.org/?tag=ms14-025">MS14-025</a>, <a class="term term-tagpost_tag term-324" href="https://adsecurity.org/?tag=ms14025">MS14025</a>, <a class="term term-tagpost_tag term-325" href="https://adsecurity.org/?tag=sysvolxml">SYSVOLXML</a>, <a class="term term-tagpost_tag term-14" href="https://adsecurity.org/?tag=vulnerability">Vulnerability</a></span></li> </ul> </div> </div> <div id="post-263" class="clearfix post post-263 type-post status-publish format-standard hentry category-technical-reference tag-windowsserver2012 item-wrap"> <div class="entry clearfix"> <div class="post-date date alpha with-year"> <p class="default_date"> <span class="month">May</span> <span class="day">15</span> <span class="year">2014</span> </p> </div> <h2 class="post-title entry-title"> <a href="https://adsecurity.org/?p=263" rel="bookmark" title="Permalink to Active Directory Changes in Windows Server 2012"> Active Directory Changes in Windows Server 2012 </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-2" href="https://adsecurity.org/?cat=2">Technical Reference</a></span></span> </li> </ul> <div class="entry-content clearfix"> <p>Active Directory, aka Directory Services, has been updated quite a bit in Windows Server 2012. Here are some of the major updates: Virtualization: Rapid deployment with cloning & safeguarding Dynamic Access Control DirectAccess Offline Domain Join Active Directory Federation Services (AD FS) Active Directory Administrative Center Improvements PowerShell version 3 commandlets including Active Directory Replication … </p> <p><a class="more-link btn" href="https://adsecurity.org/?p=263">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-47" href="https://adsecurity.org/?tag=windowsserver2012">WindowsServer2012</a></span></li> </ul> </div> </div> <div id="post-102" class="clearfix post post-102 type-post status-publish format-standard hentry category-technical-article tag-winsxs item-wrap"> <div class="entry clearfix"> <div class="post-date date alpha with-year"> <p class="default_date"> <span class="month">May</span> <span class="day">13</span> <span class="year">2014</span> </p> </div> <h2 class="post-title entry-title"> <a href="https://adsecurity.org/?p=102" rel="bookmark" title="Permalink to How to Clean up the WinSxS Directory and Free Up Disk Space on Windows Server 2008 R2 with New Update"> How to Clean up the WinSxS Directory and Free Up Disk Space on Windows Server 2008 R2 with New Update </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-24" href="https://adsecurity.org/?cat=24">Technical Article</a></span></span> </li> </ul> <div class="entry-content clearfix"> <p>It鈥檚 finally here! After pages and pages of comments from you requesting the ability to clean up the WinSxS directory and component store on Windows Server 2008 R2, an update is available. http://support.microsoft.com/kb/2852386 As a refresher, the Windows Server 2008 R2 update is directly related to my previous blog post announcing a similar fix for … </p> <p><a class="more-link btn" href="https://adsecurity.org/?p=102">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-33" href="https://adsecurity.org/?tag=winsxs">WinSxS</a></span></li> </ul> </div> </div> <div id="post-53" class="clearfix post post-53 type-post status-publish format-standard hentry category-technical-reference tag-activedirectory tag-domaincontroller tag-domainnamingmaster tag-fsmo tag-fsmoplacement tag-infrastructuremaster tag-pdceumlator tag-ridmaster tag-schemamaster item-wrap"> <div class="entry clearfix"> <div class="post-date date alpha with-year"> <p class="default_date"> <span class="month">May</span> <span class="day">08</span> <span class="year">2014</span> </p> </div> <h2 class="post-title entry-title"> <a href="https://adsecurity.org/?p=53" rel="bookmark" title="Permalink to Active Directory FSMO Placement Guidance"> Active Directory FSMO Placement Guidance </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-2" href="https://adsecurity.org/?cat=2">Technical Reference</a></span></span> </li> </ul> <div class="entry-content clearfix"> <p>FSMO Placement Guidance Summary: Make sure the PDC is highly available and connected. Place the PDC on your best hardware in a reliable hub site that contains replica domain controllers in the same Active Directory site and domain. Place the Forest FSMOs on the forest root PDC (schema master & domain naming master). Place the … </p> <p><a class="more-link btn" href="https://adsecurity.org/?p=53">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-20" href="https://adsecurity.org/?tag=activedirectory">ActiveDirectory</a>, <a class="term term-tagpost_tag term-101" href="https://adsecurity.org/?tag=domaincontroller">DomainController</a>, <a class="term term-tagpost_tag term-406" href="https://adsecurity.org/?tag=domainnamingmaster">DomainNamingMaster</a>, <a class="term term-tagpost_tag term-216" href="https://adsecurity.org/?tag=fsmo">FSMO</a>, <a class="term term-tagpost_tag term-403" href="https://adsecurity.org/?tag=fsmoplacement">FSMOPlacement</a>, <a class="term term-tagpost_tag term-407" href="https://adsecurity.org/?tag=infrastructuremaster">InfrastructureMaster</a>, <a class="term term-tagpost_tag term-404" href="https://adsecurity.org/?tag=pdceumlator">PDCEumlator</a>, <a class="term term-tagpost_tag term-278" href="https://adsecurity.org/?tag=ridmaster">RIDMaster</a>, <a class="term term-tagpost_tag term-405" href="https://adsecurity.org/?tag=schemamaster">SchemaMaster</a></span></li> </ul> </div> </div> <div id="post-55" class="clearfix post post-55 type-post status-publish format-standard hentry category-technical-reading tag-mcmmcsm tag-readinglist item-wrap"> <div class="entry clearfix"> <div class="post-date date alpha with-year"> <p class="default_date"> <span class="month">May</span> <span class="day">06</span> <span class="year">2014</span> </p> </div> <h2 class="post-title entry-title"> <a href="https://adsecurity.org/?p=55" rel="bookmark" title="Permalink to Windows Server 2012 MCSM Reading List"> Windows Server 2012 MCSM Reading List </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-4" href="https://adsecurity.org/?cat=4">Technical Reading</a></span></span> </li> </ul> <div class="entry-content clearfix"> <p>Here’s a link to download the MCM/MCSM Directory Services Reading List document that I developed for the MCSM Directory Services (Windows Server 2012) program and was created after the MCSM Directory Services (Windows Server 2012) test questions were written. It is based on the original one created for the MCM DS program provided to candidates. … </p> <p><a class="more-link btn" href="https://adsecurity.org/?p=55">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-9" href="https://adsecurity.org/?tag=mcmmcsm">MCM/MCSM</a>, <a class="term term-tagpost_tag term-10" href="https://adsecurity.org/?tag=readinglist">ReadingList</a></span></li> </ul> </div> </div> </div> <div class="pagination-wrapper"> <ul class="pagination"> <li class="disabled"><span class="page-numbers"><i class="fa fa-angle-left"></i></span></li> <li class="active"><span aria-current="page" class="page-numbers current">1</span></li><li><a class="page-numbers" href="https://adsecurity.org/?paged=2&m=201405">2</a></li><li><a class="next page-numbers" href="https://adsecurity.org/?paged=2&m=201405"><i class="fa fa-angle-right"></i></a></li> </ul> </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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