Potential PowerShell Execution Policy Tampering - ProcCreation
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About the rule
Rule Type
Standard
Rule Description
Detects changes to the PowerShell execution policy registry key in order to bypass signing requirements for script execution from the CommandLine
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND COMMANDLINE contains "\ShellIds\Microsoft.PowerShell\ExecutionPolicy,\Policies\Microsoft\Windows\PowerShell\ExecutionPolicy" AND COMMANDLINE contains "Bypass,RemoteSigned,Unrestricted" 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)
