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Windows event log ยท Security4718 System security access was removed from an account

  • 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"]
  • ExecutableInfo%ProcessName% (PID: %ProcessId%)
    • %ProcessName% = /Event/EventData/Data[@Name="ProcessName"]
    • %ProcessId% = /Event/EventData/Data[@Name="ProcessId"]
  • PayloadData1TargetSID: %sid%
    • %sid% = /Event/EventData/Data[@Name="TargetSid"]
  • PayloadData2AccessRemoved: %AccessRemoved%
    • %AccessRemoved% = /Event/EventData/Data[@Name="AccessRemoved"]

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>4718</EventID>
    <Version>0</Version>
    <Level>0</Level>
    <Task>13569</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8020000000000000</Keywords>
    <TimeCreated SystemTime="2015-10-01T23:35:46.375134200Z"/>
    <EventRecordID>1049773</EventRecordID>
    <Correlation/>
    <Execution ProcessID="500" ThreadID="5028"/>
    <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="TargetSid">S-1-5-21-3457937927-2839227994-823803824-2104</Data>
    <Data Name="AccessRemoved">SeInteractiveLogonRight</Data>
  </EventData>
</Event>

References

3 links

Source: evtx/Maps/Security_Microsoft-Windows-Security-Auditing_4718.map(opens in new tab) by Andrew Rathbun and contributors(opens in new tab), MIT License(opens in new tab)