GitHub Repo

Data Source: Windows Event Log Security 4742

Created: 2024-05-22

Last Updated: 2026-10-14

ID: ea830adf-5450-489a-bcdc-fb8d2cbe674c

Author: Patrick Bareiss, Splunk

Description

Logs changes to the properties of a computer account in Active Directory, including details about the modified attributes and the user performing the action.

Details

Property Value
Source XmlWinEventLog:Security
Sourcetype XmlWinEventLog
Separator EventCode
Name ▲▼ Technique ▲▼ Type ▲▼
Detect Computer Changed with Anonymous Account Exploitation of Remote Services Hunting
Windows AD Same Domain SID History Addition SID-History Injection TTP
Windows AD Domain Controller Promotion Rogue Domain Controller TTP
Windows AD Cross Domain SID History Addition SID-History Injection TTP
Windows Computer Account Changed to Domain Controller Domain Account TTP
Windows AD Privileged Account SID History Addition SID-History Injection TTP

Supported Apps

Event Fields

+ Fields 
  <span class="pill kill-chain">_time</span>
  
  <span class="pill kill-chain">AccountExpires</span>
  
  <span class="pill kill-chain">action</span>
  
  <span class="pill kill-chain">AllowedToDelegateTo</span>
  
  <span class="pill kill-chain">app</span>
  
  <span class="pill kill-chain">authentication_method</span>
  
  <span class="pill kill-chain">authentication_service</span>
  
  <span class="pill kill-chain">AuthenticationPackageName</span>
  
  <span class="pill kill-chain">Caller_Domain</span>
  
  <span class="pill kill-chain">Caller_User_Name</span>
  
  <span class="pill kill-chain">CategoryString</span>
  
  <span class="pill kill-chain">change_type</span>
  
  <span class="pill kill-chain">Channel</span>
  
  <span class="pill kill-chain">Computer</span>
  
  <span class="pill kill-chain">ComputerAccountChange</span>
  
  <span class="pill kill-chain">dest</span>
  
  <span class="pill kill-chain">dest_nt_domain</span>
  
  <span class="pill kill-chain">DisplayName</span>
  
  <span class="pill kill-chain">DnsHostName</span>
  
  <span class="pill kill-chain">dvc</span>
  
  <span class="pill kill-chain">dvc_nt_host</span>
  
  <span class="pill kill-chain">ElevatedToken</span>
  
  <span class="pill kill-chain">Error_Code</span>
  
  <span class="pill kill-chain">event_id</span>
  
  <span class="pill kill-chain">event_time</span>
  
  <span class="pill kill-chain">EventCode</span>
  
  <span class="pill kill-chain">EventData_Xml</span>
  
  <span class="pill kill-chain">EventID</span>
  
  <span class="pill kill-chain">EventRecordID</span>
  
  <span class="pill kill-chain">eventtype</span>
  
  <span class="pill kill-chain">Guid</span>
  
  <span class="pill kill-chain">HomeDirectory</span>
  
  <span class="pill kill-chain">HomePath</span>
  
  <span class="pill kill-chain">host</span>
  
  <span class="pill kill-chain">id</span>
  
  <span class="pill kill-chain">ImpersonationLevel</span>
  
  <span class="pill kill-chain">index</span>
  
  <span class="pill kill-chain">IpAddress</span>
  
  <span class="pill kill-chain">IpPort</span>
  
  <span class="pill kill-chain">KeyLength</span>
  
  <span class="pill kill-chain">Keywords</span>
  
  <span class="pill kill-chain">Level</span>
  
  <span class="pill kill-chain">linecount</span>
  
  <span class="pill kill-chain">LmPackageName</span>
  
  <span class="pill kill-chain">Logon_ID</span>
  
  <span class="pill kill-chain">Logon_Type</span>
  
  <span class="pill kill-chain">LogonGuid</span>
  
  <span class="pill kill-chain">LogonHours</span>
  
  <span class="pill kill-chain">LogonProcessName</span>
  
  <span class="pill kill-chain">LogonType</span>
  
  <span class="pill kill-chain">Name</span>
  
  <span class="pill kill-chain">name</span>
  
  <span class="pill kill-chain">NewUacValue</span>
  
  <span class="pill kill-chain">object_attrs</span>
  
  <span class="pill kill-chain">object_category</span>
  
  <span class="pill kill-chain">OldUacValue</span>
  
  <span class="pill kill-chain">Opcode</span>
  
  <span class="pill kill-chain">PasswordLastSet</span>
  
  <span class="pill kill-chain">PrimaryGroupId</span>
  
  <span class="pill kill-chain">PrivilegeList</span>
  
  <span class="pill kill-chain">process</span>
  
  <span class="pill kill-chain">process_id</span>
  
  <span class="pill kill-chain">ProcessID</span>
  
  <span class="pill kill-chain">ProcessId</span>
  
  <span class="pill kill-chain">ProcessName</span>
  
  <span class="pill kill-chain">product</span>
  
  <span class="pill kill-chain">ProfilePath</span>
  
  <span class="pill kill-chain">punct</span>
  
  <span class="pill kill-chain">RecordNumber</span>
  
  <span class="pill kill-chain">RestrictedAdminMode</span>
  
  <span class="pill kill-chain">result</span>
  
  <span class="pill kill-chain">SamAccountName</span>
  
  <span class="pill kill-chain">ScriptPath</span>
  
  <span class="pill kill-chain">ServicePrincipalNames</span>
  
  <span class="pill kill-chain">session_id</span>
  
  <span class="pill kill-chain">severity</span>
  
  <span class="pill kill-chain">severity_id</span>
  
  <span class="pill kill-chain">SidHistory</span>
  
  <span class="pill kill-chain">signature</span>
  
  <span class="pill kill-chain">signature_id</span>
  
  <span class="pill kill-chain">source</span>
  
  <span class="pill kill-chain">Source_Port</span>
  
  <span class="pill kill-chain">Source_Workstation</span>
  
  <span class="pill kill-chain">sourcetype</span>
  
  <span class="pill kill-chain">splunk_server</span>
  
  <span class="pill kill-chain">src</span>
  
  <span class="pill kill-chain">src_ip</span>
  
  <span class="pill kill-chain">src_nt_domain</span>
  
  <span class="pill kill-chain">src_port</span>
  
  <span class="pill kill-chain">src_subject_user_id</span>
  
  <span class="pill kill-chain">src_user</span>
  
  <span class="pill kill-chain">status</span>
  
  <span class="pill kill-chain">subject</span>
  
  <span class="pill kill-chain">SubjectDomainName</span>
  
  <span class="pill kill-chain">SubjectLogonId</span>
  
  <span class="pill kill-chain">SubjectUserName</span>
  
  <span class="pill kill-chain">SubjectUserSid</span>
  
  <span class="pill kill-chain">System_Props_Xml</span>
  
  <span class="pill kill-chain">SystemTime</span>
  
  <span class="pill kill-chain">ta_windows_action</span>
  
  <span class="pill kill-chain">ta_windows_security_CategoryString</span>
  
  <span class="pill kill-chain">tag</span>
  
  <span class="pill kill-chain">tag::action</span>
  
  <span class="pill kill-chain">tag::app</span>
  
  <span class="pill kill-chain">tag::eventtype</span>
  
  <span class="pill kill-chain">Target_Domain</span>
  
  <span class="pill kill-chain">Target_User_Name</span>
  
  <span class="pill kill-chain">TargetDomainName</span>
  
  <span class="pill kill-chain">TargetLinkedLogonId</span>
  
  <span class="pill kill-chain">TargetLogonId</span>
  
  <span class="pill kill-chain">TargetOutboundDomainName</span>
  
  <span class="pill kill-chain">TargetOutboundUserName</span>
  
  <span class="pill kill-chain">TargetSid</span>
  
  <span class="pill kill-chain">TargetUserName</span>
  
  <span class="pill kill-chain">TargetUserSid</span>
  
  <span class="pill kill-chain">Task</span>
  
  <span class="pill kill-chain">TaskCategory</span>
  
  <span class="pill kill-chain">ThreadID</span>
  
  <span class="pill kill-chain">timestamp</span>
  
  <span class="pill kill-chain">TransmittedServices</span>
  
  <span class="pill kill-chain">user</span>
  
  <span class="pill kill-chain">user_group</span>
  
  <span class="pill kill-chain">user_type</span>
  
  <span class="pill kill-chain">UserAccountControl</span>
  
  <span class="pill kill-chain">UserParameters</span>
  
  <span class="pill kill-chain">UserPrincipalName</span>
  
  <span class="pill kill-chain">UserWorkstations</span>
  
  <span class="pill kill-chain">vendor</span>
  
  <span class="pill kill-chain">vendor_product</span>
  
  <span class="pill kill-chain">Version</span>
  
  <span class="pill kill-chain">VirtualAccount</span>
  
  <span class="pill kill-chain">WorkstationName</span>
  
</div>

Example Log

1<Event xmlns='http://schemas.microsoft.com/win/2004/08/events/event'><System><Provider Name='Microsoft-Windows-Security-Auditing' Guid='{54849625-5478-4994-a5ba-3e3b0328c30d}'/><EventID>4742</EventID><Version>0</Version><Level>0</Level><Task>13825</Task><Opcode>0</Opcode><Keywords>0x8020000000000000</Keywords><TimeCreated SystemTime='2020-09-15T19:31:04.6889673Z'/><EventRecordID>768623</EventRecordID><Correlation/><Execution ProcessID='584' ThreadID='752'/><Channel>Security</Channel><Computer>01566s-win16-ir.threebeesco.com</Computer><Security/></System><EventData><Data Name='ComputerAccountChange'>-</Data><Data Name='TargetUserName'>01566S-WIN16-IR$</Data><Data Name='TargetDomainName'>3B</Data><Data Name='TargetSid'>S-1-5-21-308926384-506822093-3341789130-35103</Data><Data Name='SubjectUserSid'>S-1-5-7</Data><Data Name='SubjectUserName'>ANONYMOUS LOGON</Data><Data Name='SubjectDomainName'>NT AUTHORITY</Data><Data Name='SubjectLogonId'>0x3e6</Data><Data Name='PrivilegeList'>-</Data><Data Name='SamAccountName'>-</Data><Data Name='DisplayName'>-</Data><Data Name='UserPrincipalName'>-</Data><Data Name='HomeDirectory'>-</Data><Data Name='HomePath'>-</Data><Data Name='ScriptPath'>-</Data><Data Name='ProfilePath'>-</Data><Data Name='UserWorkstations'>-</Data><Data Name='PasswordLastSet'>9/15/2020 12:31:04 PM</Data><Data Name='AccountExpires'>-</Data><Data Name='PrimaryGroupId'>-</Data><Data Name='AllowedToDelegateTo'>-</Data><Data Name='OldUacValue'>-</Data><Data Name='NewUacValue'>-</Data><Data Name='UserAccountControl'>-</Data><Data Name='UserParameters'>-</Data><Data Name='SidHistory'>-</Data><Data Name='LogonHours'>-</Data><Data Name='DnsHostName'>-</Data><Data Name='ServicePrincipalNames'>-</Data></EventData></Event>

Required Output Fields

  • dest

Source: GitHub | Version: 5