Suspicious Invoke-Obfuscation RUNDLL LAUNCHER - System (via system)

title: Suspicious Invoke-Obfuscation RUNDLL LAUNCHER - System (via system)
id: 52d76e22-c430-50e5-85fd-8123d4f5a203
status: stable
description: This rule detects Obfuscated Powershell via RUNDLL LAUNCHER
references:
    - https://attack.mitre.org/techniques/T1059/001/
    - https://attack.mitre.org/techniques/T1027/
    - https://github.com/SigmaHQ/sigma/issues/1009
author: Huntrule Team
date: 2026-04-29
tags:
    - attack.stealth
    - attack.t1027
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    service: system
detection:
    selection:
        Provider_Name: 'Service Control Manager'
        EventID: 7045
        ImagePath|contains|all:
            - 'rundll32.exe'
            - 'shell32.dll'
            - 'shellexec_rundll'
            - 'powershell'
    condition: selection
falsepositives:
    - Unknown
level: medium