PowerShell Script With File Upload Capabilities

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About the rule

Rule Type

Standard

Rule Description

Detects PowerShell scripts leveraging the "Invoke-WebRequest" cmdlet to send data via either "PUT" or "POST" method.

Severity

Attention

Rule Requirement

Criteria

Action1: actionname = "PowerShell Script Block Logged" AND SCRIPTEXECUTED contains "Invoke-RestMethod,Invoke-WebRequest,irm ,iwr " AND SCRIPTEXECUTED contains "-Method "POST",-Method "PUT",-Method POST,-Method PUT,-Method 'POST',-Method 'PUT'" select Action1.HOSTNAME,Action1.MESSAGE,Action1.SCRIPTEXECUTED

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113