Detectionhightest

HackTool - Empire PowerShell Launch Parameters

Detects suspicious powershell command line parameters used in Empire

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Launch

Florian Roth (Nextron Systems)Created Sat Apr 20Updated Tue Feb 2179f4ede3-402e-41c8-bc3e-ebbf5f162581windows

Log Source

WindowsProcess Creation

ProductWindows← raw: windows

CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic

detection:
    selection:
        CommandLine|contains:
            - ' -NoP -sta -NonI -W Hidden -Enc '
            - ' -noP -sta -w 1 -enc '
            - ' -NoP -NonI -W Hidden -enc '
            - ' -noP -sta -w 1 -enc'
            - ' -enc  SQB'
            - ' -nop -exec bypass -EncodedCommand '
    condition: selection