Potential Command Line Path Traversal Evasion Attempt
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About the rule
Rule Type
Standard
Rule Description
Detects potential evasion or obfuscation attempts using bogus path traversal via the commandline
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND ((PROCESSNAME contains "\Windows" AND COMMANDLINE contains "\..\Windows\,\..\System32\,\..\..") OR COMMANDLINE contains ".exe\..") AND COMMANDLINE notcontains "\Google\Drive\googledrivesync.exe\..\,\Citrix\Virtual Smart Card\Citrix.Authentication.VirtualSmartcard.Launcher.exe\.." select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Christian Burkard (Nextron Systems)
