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Windows event log ยท Security4719 System audit policy was changed

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

Fields EvtxECmd extracts

4 columns in the EvtxECmd CSV

  • UserName%domain%\%user%
    • %domain% = /Event/EventData/Data[@Name="SubjectDomainName"]
    • %user% = /Event/EventData/Data[@Name="SubjectUserName"]
  • PayloadData1CategoryId: %CategoryId% SubcategoryId: %SubcategoryId%
    • %CategoryId% = /Event/EventData/Data[@Name="CategoryId"]
    • %SubcategoryId% = /Event/EventData/Data[@Name="SubcategoryId"]
  • PayloadData2SubcategoryGuid: %SubcategoryGuid%
    • %SubcategoryGuid% = /Event/EventData/Data[@Name="SubcategoryGuid"]
  • PayloadData3AuditPolicyChanges: %AuditPolicyChanges%
    • %AuditPolicyChanges% = /Event/EventData/Data[@Name="AuditPolicyChanges"]

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>4719</EventID>
    <Version>0</Version>
    <Level>0</Level>
    <Task>13568</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8020000000000000</Keywords>
    <TimeCreated SystemTime="2015-09-30T19:57:09.668217100Z"/>
    <EventRecordID>1049418</EventRecordID>
    <Correlation/>
    <Execution ProcessID="516" ThreadID="4668"/>
    <Channel>Security</Channel>
    <Computer>DC01.contoso.local</Computer>
    <Security/>
  </System>
  <EventData>
    <Data Name="SubjectUserSid">S-1-5-18</Data>
    <Data Name="SubjectUserName">DC01$</Data>
    <Data Name="SubjectDomainName">CONTOSO</Data>
    <Data Name="SubjectLogonId">0x3e7</Data>
    <Data Name="CategoryId">%%8274</Data>
    <Data Name="SubcategoryId">%%12807</Data>
    <Data Name="SubcategoryGuid">{0CCE9223-69AE-11D9-BED3-505054503030}</Data>
    <Data Name="AuditPolicyChanges">%%8448, %%8450</Data>
  </EventData>
</Event>

References

4 links

Source: evtx/Maps/Security_Microsoft-Windows-Security-Auditing_4719.map(opens in new tab) by Mike Pilkington and contributors(opens in new tab), MIT License(opens in new tab)