When it comes to navigating the labyrinth of Active Directory environments, lateral movement is a critical skill for penetration testers. Once a foothold is established within a domain, the focus shifts to expanding access either through lateral or vertical movement to achieve domain compromise or other strategic objectives. This article explores some of the most effective techniques for lateral movement in Windows domains, leveraging tools like BloodHound, PowerView, and others to enumerate and exploit access rights.<\/p>\n\n\n\n
Lateral movement hinges on identifying and exploiting access pathways within a domain. If you\u2019ve compromised an account with local admin rights on one or more hosts, techniques like Pass-the-Hash via the SMB protocol often come into play. But what if you lack such privileges? Here\u2019s where alternative methods shine:<\/p>\n\n\n\n
Each of these methods offers unique opportunities for privilege escalation, credential harvesting, and reconnaissance.<\/p>\n\n\n\n
Effective lateral movement begins with enumeration. Tools like BloodHound are indispensable for mapping out access pathways. For instance, BloodHound\u2019s edges such as\u00a0 Using PowerView\u2019s\u00a0 If all Domain Users are granted RDP access to a host, this could signal a significant security gap. Such hosts often serve as jump servers or Remote Desktop Services (RDS) environments and may contain sensitive data or offer privilege escalation opportunities.<\/p>\n\n\n\n WinRM is another potent avenue for lateral movement. Accounts with membership in the Remote Management Users group can leverage WinRM without requiring local admin rights. Enumeration can be performed using PowerView:<\/p>\n\n\n\n For exploitation, tools like\u00a0 SQL servers are ubiquitous in enterprise environments and often house accounts with excessive privileges. Credentials obtained through techniques like Kerberoasting<\/strong> or LLMNR\/NBT-NS spoofing<\/strong> can be used to authenticate against SQL servers. Tools such as PowerUpSQL or Impacket\u2019s\u00a0mssqlclient.py\u00a0enable enumeration and exploitation of SQL instances.<\/p>\n\n\n\n For example, after identifying an account with sysadmin privileges using BloodHound:<\/p>\n\n\n\n You can authenticate and execute commands via SQL Server\u2019s xp_cmdshell feature:<\/p>\n\n\n\n This often leads to SYSTEM-level access if the account has Penetration testing is an iterative process. Each successful compromise should trigger a fresh round of enumeration to uncover new access rights and privileges. For example:<\/p>\n\n\n\n Here\u2019s a quick rundown of essential tools:<\/p>\n\n\n\n Lateral movement is not just about exploiting technical vulnerabilities, it\u2019s about understanding how permissions and configurations intersect within an Active Directory environment. By systematically enumerating remote access rights, leveraging tools like BloodHound, and exploiting protocols such as RDP, WinRM, and MSSQL, penetration testers can methodically advance toward their goals.<\/p>\n\n\n\n For defenders (blue teams), these same techniques underscore the importance of regular audits to identify misconfigurations, such as overly permissive RDP or WinRM settings and mitigate risks before attackers exploit them.<\/p>\n\n\n\n In the end, whether you\u2019re a penetration tester probing for weaknesses or a defender shoring up defences, mastering lateral movement techniques is essential for navigating today\u2019s complex enterprise networks.<\/p>\n\n\n\n Discover how attackers pivot through RDP, WinRM, and Pass-the-Hash, and learn to secure your Windows domain by uncovering hidden lateral pathways. <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[166,115,51,198,200,199,162,196,195,197],"class_list":["post-234","post","type-post","status-publish","format-standard","hentry","category-security","tag-active-directory-2","tag-bloodhound","tag-cybersecurity","tag-lateral-movement-2","tag-mssql","tag-pass-the-hash","tag-penetration-testing","tag-rdp","tag-windows-domain-security","tag-winrm"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/kosokoking.com\/index.php\/wp-json\/wp\/v2\/posts\/234","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kosokoking.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kosokoking.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kosokoking.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kosokoking.com\/index.php\/wp-json\/wp\/v2\/comments?post=234"}],"version-history":[{"count":1,"href":"https:\/\/kosokoking.com\/index.php\/wp-json\/wp\/v2\/posts\/234\/revisions"}],"predecessor-version":[{"id":235,"href":"https:\/\/kosokoking.com\/index.php\/wp-json\/wp\/v2\/posts\/234\/revisions\/235"}],"wp:attachment":[{"href":"https:\/\/kosokoking.com\/index.php\/wp-json\/wp\/v2\/media?parent=234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kosokoking.com\/index.php\/wp-json\/wp\/v2\/categories?post=234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kosokoking.com\/index.php\/wp-json\/wp\/v2\/tags?post=234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}CanRDP<\/code>,\u00a0CanPSRemote<\/code>, and\u00a0SQLAdmin<\/code>\u00a0reveal which users have remote access rights to specific hosts. Alternatively, PowerView and built-in Windows tools can be used for manual enumeration.<\/p>\n\n\n\nExample: Enumerating RDP Users<\/strong><\/h3>\n\n\n\n
Get-NetLocalGroupMember<\/code>\u00a0function, you can identify members of the Remote Desktop Users group on a target host:<\/p>\n\n\n\nPS C:\\htb> Get-NetLocalGroupMember -ComputerName ACADEMY-EA-MS01 -GroupName \u201cRemote Desktop Users\u201d<\/code><\/pre>\n\n\n\nExploiting Remote Management Protocols<\/strong><\/h2>\n\n\n\n
WinRM Access<\/strong><\/h3>\n\n\n\n
PS C:\\htb> Get-NetLocalGroupMember -ComputerName ACADEMY-EA-MS01 -GroupName \u201cRemote Management Users\u201d<\/code><\/pre>\n\n\n\nevil-winrm<\/code>\u00a0(on Linux) or PowerShell\u2019s\u00a0Enter-PSSession<\/code>\u00a0cmdlet (on Windows) allow you to establish remote sessions and execute commands.<\/p>\n\n\n\nSQL Server Admin Privileges<\/strong><\/h2>\n\n\n\n
MATCH p1=shortestPath((u1:User)-[r1:MemberOf*1..]->(g1:Group)) MATCH p2=(u1)-[:SQLAdmin*1..]->(c:Computer) RETURN p2<\/code><\/pre>\n\n\n\nSQL<\/strong>> enable_xp_cmdshell<\/code><\/pre>\n\n\n\nSQL<\/strong>> xp_cmdshell \u2018whoami \/priv\u2019<\/code><\/pre>\n\n\n\nSeImpersonatePrivilege<\/code> enabled.<\/p>\n\n\n\nIterative Enumeration and Exploitation<\/strong><\/h2>\n\n\n\n
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Practical Tools for Penetration Testers<\/strong><\/h2>\n\n\n\n
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Conclusion: The Road to Domain Compromise<\/strong><\/h2>\n\n\n\n
<\/ol>\n","protected":false},"excerpt":{"rendered":"