title: Invoke-Obfuscation RUNDLL LAUNCHER
id: 056a7ee1-4853-4e67-86a0-3fd9ceed7555
status: test
description: Detects Obfuscated Powershell via RUNDLL LAUNCHER
author: Timur Zinniatullin, oscd.community
references:
  - https://github.com/Neo23x0/sigma/issues/1009   #(Task 23)
date: 2020/10/18
modified: 2022/03/07
logsource:
  category: process_creation
  product: windows
detection:
  selection:
    CommandLine|contains|all:
      - 'rundll32.exe'
      - 'shell32.dll'
      - 'shellexec_rundll'
      - 'powershell'
  condition: selection
falsepositives:
  - Unknown
level: medium
tags:
  - attack.defense_evasion
  - attack.t1027
  - attack.execution
  - attack.t1059.001
