PUA - NSudo Execution

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About the rule

Rule Type

Standard

Rule Description

Detects the use of NSudo tool for command execution

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PROCESSNAME endswith "\NSudo.exe,\NSudoLC.exe,\NSudoLG.exe" OR ORIGINALFILENAME = "NSudo.exe,NSudoLC.exe,NSudoLG.exe") AND COMMANDLINE contains "-U:S ,-U:T ,-U:E ,-P:E ,-M:S ,-M:H ,-U=S ,-U=T ,-U=E ,-P=E ,-M=S ,-M=H ,-ShowWindowMode:Hide" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Florian Roth (Nextron Systems), Nasreddine Bencherchali