DFIRHub

Windows event log ยท Security4798 A user's local group membership was enumerated

  • Security
  • 5 fields
  • Security.evtx
  • Microsoft-Windows-Security-Auditing

Fields EvtxECmd extracts

5 columns in the EvtxECmd CSV

  • UserName%domain%\%user% (%sid%)
    • %domain% = /Event/EventData/Data[@Name="SubjectDomainName"]
    • %user% = /Event/EventData/Data[@Name="SubjectUserName"]
    • %sid% = /Event/EventData/Data[@Name="SubjectUserSid"]
  • PayloadData1Target: %TargetDomainName%\%TargetUserName% (%TargetSid%)
    • %TargetUserName% = /Event/EventData/Data[@Name="TargetUserName"]
    • %TargetDomainName% = /Event/EventData/Data[@Name="TargetDomainName"]
    • %TargetSid% = /Event/EventData/Data[@Name="TargetSid"]
  • PayloadData2SubjectLogonId: %SubjectLogonId%
    • %SubjectLogonId% = /Event/EventData/Data[@Name="SubjectLogonId"]
  • PayloadData3CallerProcessName: %CallerProcessName%
    • %CallerProcessName% = /Event/EventData/Data[@Name="CallerProcessName"]
  • PayloadData4CallerProcessId: %CallerProcessId%
    • %CallerProcessId% = /Event/EventData/Data[@Name="CallerProcessId"]

Sample event

Event XML from the map file

<Event>
  <System>
    <Provider Name="Microsoft-Windows-Security-Auditing" Guid="54849625-5478-4994-a5ba-3e3b0128c30d"/>
    <EventID>4798</EventID>
    <Version>0</Version>
    <Level>0</Level>
    <Task>13254</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8040000000000000</Keywords>
    <TimeCreated SystemTime="2020-10-01 16:41:24.3239327"/>
    <EventRecordID>262345693</EventRecordID>
    <Correlation ActivityID="2de45afs-8eb1-0002-050h-e82df18ed601"/>
    <Execution ProcessID="732" ThreadID="72728"/>
    <Channel>Security</Channel>
    <Computer>HOSTNAME.domain.com</Computer>
    <Security/>
  </System>
  <EventData>
    <Data Name="TargetUserName">Administrator</Data>
    <Data Name="TargetDomainName">HOSTNAME</Data>
    <Data Name="TargetSid">S-1-5-21-1622784062-108344387-1250442527-500</Data>
    <Data Name="SubjectUserSid">S-1-5-21-527236740-1500820517-725445543-894330</Data>
    <Data Name="SubjectUserName">username</Data>
    <Data Name="SubjectDomainName">domain</Data>
    <Data Name="SubjectLogonId">0x1E234AD14</Data>
    <Data Name="CallerProcessId">0x58F4</Data>
    <Data Name="CallerProcessName">C:\Windows\System32\Sysprep\sysprep.exe</Data>
  </EventData>
</Event>

References

3 links

Source: evtx/Maps/Security_Microsoft-Windows-Security-Auditing_4798.map(opens in new tab) by Andrew Rathbun and contributors(opens in new tab), MIT License(opens in new tab)