Powershell Inline Execution From A File

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About the rule

Rule Type

Standard

Rule Description

Detects inline execution of PowerShell code from a file

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND COMMANDLINE contains "iex ,Invoke-Expression ,Invoke-Command ,icm " AND COMMANDLINE contains "cat ,get-content ,type " AND COMMANDLINE contains " -raw" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113