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Windows event log ยท Microsoft-Windows-Sysmon/Operational12 RegistryEvent (Object create and delete)

  • Sysmon
  • 6 fields
  • Microsoft-Windows-Sysmon%4Operational.evtx
  • Microsoft-Windows-Sysmon

Fields EvtxECmd extracts

6 columns in the EvtxECmd CSV

  • UserName%User%
    • %User% = /Event/EventData/Data[@Name="User"]
  • PayloadData1ProcessID: %ProcessID%, ProcessGUID: %ProcessGUID%
    • %ProcessGUID% = /Event/EventData/Data[@Name="ProcessGuid"]
    • %ProcessID% = /Event/EventData/Data[@Name="ProcessId"]
  • PayloadData2RuleName: %RuleName%
    • %RuleName% = /Event/EventData/Data[@Name="RuleName"]
  • PayloadData3Image: %Image%
    • %Image% = /Event/EventData/Data[@Name="Image"]
  • PayloadData4EventType: %EventType%
    • %EventType% = /Event/EventData/Data[@Name="EventType"]
  • PayloadData5TargetObject: %TargetObject%
    • %TargetObject% = /Event/EventData/Data[@Name="TargetObject"]

Sample event

Event XML from the map file

<Event>
  <System>
    <Provider Name="Microsoft-Windows-Sysmon" Guid="5770385f-c22a-43e0-bf4c-06f5698ffbd9"/>
    <EventID>12</EventID>
    <Version>2</Version>
    <Level>4</Level>
    <Task>12</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8000000000000000</Keywords>
    <TimeCreated SystemTime="2019-05-19 18:05:33.4542958"/>
    <EventRecordID>18969</EventRecordID>
    <Correlation/>
    <Execution ProcessID="2004" ThreadID="1976"/>
    <Channel>Microsoft-Windows-Sysmon/Operational</Channel>
    <Computer>IEWIN7</Computer>
    <Security UserID="S-1-5-18"/>
  </System>
  <EventData>
    <Data Name="RuleName">Defense Evasion - PowerShell Audit Settings Changed</Data>
    <Data Name="EventType">DeleteValue</Data>
    <Data Name="UtcTime">2019-05-19 18:05:33.438</Data>
    <Data Name="ProcessGuid">365abb72-9aeb-5ce1-0000-0010f0b51800</Data>
    <Data Name="ProcessId">860</Data>
    <Data Name="Image">C:\Windows\system32\reg.exe</Data>
    <Data Name="TargetObject">HKLM\SOFTWARE\Wow6432Node\Policies\Microsoft\Windows\PowerShell\ScriptBlockLogging\EnableScriptBlockLogging</Data>
  </EventData>
</Event>

References

5 links

Source: evtx/Maps/Microsoft-Windows-Sysmon-Operational_Microsoft-Windows-Sysmon_12.map(opens in new tab) by Andrew Rathbun and contributors(opens in new tab), MIT License(opens in new tab)