DFIRHub

Windows event log ยท Microsoft-Windows-Sysmon/Operational28 FileBlockShredding (A file was blocked from being deleted)

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

Fields EvtxECmd extracts

7 columns in the EvtxECmd CSV

  • ExecutableInfo%Image%
    • %Image% = /Event/EventData/Data[@Name="Image"]
  • PayloadData1ProcessID: %ProcessID%, ProcessGUID: %ProcessGUID%
    • %ProcessGUID% = /Event/EventData/Data[@Name="ProcessGuid"]
    • %ProcessID% = /Event/EventData/Data[@Name="ProcessId"]
  • PayloadData2RuleName: %RuleName%
    • %RuleName% = /Event/EventData/Data[@Name="RuleName"]
  • PayloadData3%Hashes%
    • %Hashes% = /Event/EventData/Data[@Name="Hashes"]
  • PayloadData4TargetFilename: %TargetFilename%
    • %TargetFilename% = /Event/EventData/Data[@Name="TargetFilename"]
  • PayloadData5IsExecutable: %IsExecutable%
    • %IsExecutable% = /Event/EventData/Data[@Name="IsExecutable"]
  • 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>28</EventID>
    <Version>5</Version>
    <Level>4</Level>
    <Task>28</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8000000000000000</Keywords>
    <TimeCreated SystemTime="2024-06-09 19:59:34.9102488"/>
    <EventRecordID>80</EventRecordID>
    <Correlation/>
    <Execution ProcessID="3480" ThreadID="5516"/>
    <Channel>Microsoft-Windows-Sysmon/Operational</Channel>
    <Computer>COMP-RENAME</Computer>
    <Security UserID="S-1-5-18"/>
  </System>
  <EventData>
    <Data Name="RuleName">-</Data>
    <Data Name="UtcTime">2024-06-09 19:59:34.909</Data>
    <Data Name="ProcessGuid">cb130dc6-09a5-6666-b501-000000000c00</Data>
    <Data Name="ProcessId">3612</Data>
    <Data Name="User">COMP-RENAME\User</Data>
    <Data Name="Image">C:\Sdelete\sdelete64a.exe</Data>
    <Data Name="TargetFilename">C:\Users\User\Downloads\sysmonconfig-with-filedelete.xml</Data>
    <Data Name="Hashes">SHA1=5BA4E6B52FFA9B6996EAEBE00DD4B8A278F4AD72,MD5=67EC79C027A3DD15FC23B321A574331B,SHA256=6540E868F05795C7F17A7C89BBDE7435D75BBF90B2ECA0D301EE31FCC517CA23,IMPHASH=00000000000000000000000000000000</Data>
    <Data Name="IsExecutable">False</Data>
  </EventData>
</Event>

References

2 links

Source: evtx/Maps/Microsoft-Windows-Sysmon-Operational_Microsoft-Windows-Sysmon_28.map(opens in new tab) by Gabriele Zambelli @gazambelli, Reece394 and contributors(opens in new tab), MIT License(opens in new tab)