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Windows event log ยท Microsoft-Windows-Sysmon/Operational21 WmiEvent (WmiEventConsumerToFilter activity detected)

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

Fields EvtxECmd extracts

6 columns in the EvtxECmd CSV

  • PayloadData1Operation: %Operation%
    • %Operation% = /Event/EventData/Data[@Name="Operation"]
  • PayloadData2RuleName: %RuleName%
    • %RuleName% = /Event/EventData/Data[@Name="RuleName"]
  • PayloadData3EventType: %EventType%
    • %EventType% = /Event/EventData/Data[@Name="EventType"]
  • PayloadData4Consumer: %Consumer%
    • %Consumer% = /Event/EventData/Data[@Name="Consumer"]
  • PayloadData5Filter: %Filter%
    • %Filter% = /Event/EventData/Data[@Name="Filter"]
  • UserName%User%
    • %User% = /Event/EventData/Data[@Name="User"]

Sample event

Event XML from the map file

<Event>
  <System>
    <Provider Name="Microsoft-Windows-Sysmon" Guid="5770385f-c22a-43e0-bf4c-06f5698ffbd9"/>
    <EventID>21</EventID>
    <Version>3</Version>
    <Level>4</Level>
    <Task>21</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8000000000000000</Keywords>
    <TimeCreated SystemTime="2019-07-19 14:57:02.3784804"/>
    <EventRecordID>4057</EventRecordID>
    <Correlation/>
    <Execution ProcessID="2796" ThreadID="4356"/>
    <Channel>Microsoft-Windows-Sysmon/Operational</Channel>
    <Computer>MSEDGEWIN10</Computer>
    <Security UserID="S-1-5-18"/>
  </System>
  <EventData>
    <Data Name="RuleName"></Data>
    <Data Name="EventType">WmiBindingEvent</Data>
    <Data Name="UtcTime">2019-07-19 14:57:02.369</Data>
    <Data Name="Operation">Created</Data>
    <Data Name="User">MSEDGEWIN10\IEUser</Data>
    <Data Name="Consumer">"\\\\.\\ROOT\\subscription:CommandLineEventConsumer.Name=\"AtomicRedTeam-WMIPersistence-Example\""</Data>
    <Data Name="Filter">"\\\\.\\ROOT\\subscription:__EventFilter.Name=\"AtomicRedTeam-WMIPersistence-Example\""</Data>
  </EventData>
</Event>

References

5 links

Source: evtx/Maps/Microsoft-Windows-Sysmon-Operational_Microsoft-Windows-Sysmon_21.map(opens in new tab) by Andrew Rathbun and contributors(opens in new tab), MIT License(opens in new tab)