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David McAllister's avatar
David McAllister
Copper Contributor
Nov 13, 2018

FailedLogonDescriptionSourceAccountUnknownUser for compromised accounts

Hi Guys,

 

I number of known compromised accounts are showing "FailedLogonDescriptionSourceAccountUnknownUser" login activity against a domain controller, see attached pic.

 

Can anyone explain what this means?

  • It's a bug. The system tries to find a resource string in the currently set language and failed to find it.

    I opened a bug for it. 

    Thanks for reporting it!

     

    Eli

  • It's a bug. The system tries to find a resource string in the currently set language and failed to find it.

    I opened a bug for it. 

    Thanks for reporting it!

     

    Eli

    • EliOfek's avatar
      EliOfek
      Icon for Microsoft rankMicrosoft

      Also, I am guessing that the string that was planned behind this key is probably saying we saw a failed authentication from an unknown user.

    • David McAllister's avatar
      David McAllister
      Copper Contributor

      Thanks Eli, interesting to know!

       

      If you need anything from me with regards to this please let me know.

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