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Windows event log ยท Security4734 A security-enabled local group was deleted

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

Fields EvtxECmd extracts

4 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"]
  • PayloadData5PrivilegeList: %PrivilegeList%
    • %PrivilegeList% = /Event/EventData/Data[@Name="PrivilegeList"]

Sample event

Event XML from the map file

<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>4734</EventID>
    <Version>0</Version>
    <Level>0</Level>
    <Task>13826</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8020000000000000</Keywords>
    <TimeCreated SystemTime="2015-08-19T18:23:42.426245700Z"/>
    <EventRecordID>175039</EventRecordID>
    <Correlation/>
    <Execution ProcessID="520" ThreadID="1072"/>
    <Channel>Security</Channel>
    <Computer>DC01.contoso.local</Computer>
    <Security/>
  </System>
  <EventData>
    <Data Name="TargetUserName">AccountOperators</Data>
    <Data Name="TargetDomainName">CONTOSO</Data>
    <Data Name="TargetSid">S-1-5-21-3457937927-2839227994-823803824-6605</Data>
    <Data Name="SubjectUserSid">S-1-5-21-3457937927-2839227994-823803824-1104</Data>
    <Data Name="SubjectUserName">dadmin</Data>
    <Data Name="SubjectDomainName">CONTOSO</Data>
    <Data Name="SubjectLogonId">0x35e38</Data>
    <Data Name="PrivilegeList">-</Data>
  </EventData>
</Event>

References

3 links

Source: evtx/Maps/Security_Microsoft-Windows-Security-Auditing_4734.map(opens in new tab) by Andrew Rathbun and contributors(opens in new tab), MIT License(opens in new tab)