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Windows event log ยท System40960 Security authentication error

  • System
  • 2 fields
  • System.evtx
  • LsaSrv

Fields EvtxECmd extracts

2 columns in the EvtxECmd CSV

  • PayloadData1The Security System detected an authentication error for the server: %Target%
    • %Target% = /Event/EventData/Data[@Name="Target"]
  • PayloadData2The failure code from authentication protocol %Protocol% was '%Error%''
    • %Protocol% = /Event/EventData/Data[@Name="Protocol"]
    • %Error% = /Event/EventData/Data[@Name="Error"]

Sample event

Event XML from the map file

<Event>
  <System>
    <Provider Name="LsaSrv" Guid="199fe037-2b82-40a9-82ac-e1d461232b99"/>
    <EventID>40960</EventID>
    <Version>0</Version>
    <Level>3</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8000000000000000</Keywords>
    <TimeCreated SystemTime="2021-02-15 17:45:53.2679125"/>
    <EventRecordID>946130</EventRecordID>
    <Correlation ActivityID="695f3786-5471-001a-8737-5f6679123601"/>
    <Execution ProcessID="192" ThreadID="515572"/>
    <Channel>System</Channel>
    <Computer>hostname.domain.com</Computer>
    <Security UserID="S-1-5-18"/>
  </System>
  <EventData>
    <Data Name="Target">LDAP/hostname.domain.com/domain.com@DOMAIN.COM</Data>
    <Data Name="Protocol">Kerberos</Data>
    <Data Name="Error">"The user account has been automatically locked because too many invalid logon attempts or password change attempts have been requested.,  (0xc0000234)"</Data>
  </EventData>
</EventData>
</Event>

References

2 links

Source: evtx/Maps/System_LsaSrv_40960.map(opens in new tab) by Andrew Rathbun and contributors(opens in new tab), MIT License(opens in new tab)