Detectionhightest

HackTool - Stracciatella Execution

Detects Stracciatella which executes a Powershell runspace from within C# (aka SharpPick technique) with AMSI, ETW and Script Block Logging disabled based on PE metadata characteristics.

Convert In Phoenix Studio

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

Launch

Martin MuellerCreated Mon Apr 17Updated Sat Nov 237a4d9232-92fc-404d-8ce1-4c92e7caf539windows

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:
        - Image|endswith: '\Stracciatella.exe'
        - OriginalFileName: 'Stracciatella.exe'
        - Description: 'Stracciatella'
        - Hashes|contains:
              - 'SHA256=9d25e61ec1527e2a69d7c2a4e3fe2fe15890710c198a66a9f25d99fdf6c7b956'
              - 'SHA256=fd16609bd9830c63b9413671678bb159b89c357d21942ddbb6b93add808d121a'
    condition: selection