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Invoke-Obfuscation RUNDLL LAUNCHER - System

Detects Obfuscated Powershell via RUNDLL LAUNCHER

MITRE ATT&CK

defense-evasionexecution

Detection Query

selection:
  Provider_Name: Service Control Manager
  EventID: 7045
  ImagePath|contains|all:
    - rundll32.exe
    - shell32.dll
    - shellexec_rundll
    - powershell
condition: selection

Author

Timur Zinniatullin, oscd.community

Created

2020-10-18

Data Sources

windowssystem

Platforms

windows

References

https://github.com/SigmaHQ/sigma/issues/1009

Tags

attack.defense-evasionattack.t1027attack.executionattack.t1059.001

Raw Content

title: Invoke-Obfuscation RUNDLL LAUNCHER - System
id: 11b52f18-aaec-4d60-9143-5dd8cc4706b9
status: test
description: Detects Obfuscated Powershell via RUNDLL LAUNCHER
references:
    - https://github.com/SigmaHQ/sigma/issues/1009 # (Task 23)
author: Timur Zinniatullin, oscd.community
date: 2020-10-18
modified: 2022-11-29
tags:
    - attack.defense-evasion
    - 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