Potential Mpclient.DLL Sideloading Via Defender Binaries
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About the rule
Rule Type
Standard
Rule Description
Detects potential sideloading of "mpclient.dll" by Windows Defender processes ("MpCmdRun" and "NisSrv") from their non-default directory.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND PROCESSNAME endswith "\MpCmdRun.exe,\NisSrv.exe" AND PROCESSNAME notstartswith "C:\Program Files (x86)\Windows Defender\,C:\Program Files\Microsoft Security Client\,C:\Program Files\Windows Defender\,C:\ProgramData\Microsoft\Windows Defender\Platform\,C:\Windows\WinSxS" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Bhabesh Raj
