PUA - Wsudo Suspicious Execution
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About the rule
Rule Type
Standard
Rule Description
Detects usage of wsudo (Windows Sudo Utility). Which is a tool that let the user execute programs with different permissions (System, Trusted Installer, Administrator...etc)
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\wsudo.exe" OR ORIGINALFILENAME = "wsudo.exe" OR MESSAGE = "Windows sudo utility" OR PARENTPROCESSNAME endswith "\wsudo-bridge.exe") OR COMMANDLINE contains "-u System,-uSystem,-u TrustedInstaller,-uTrustedInstaller, --ti " select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems)
