driver_load_invoke_obfuscation_via_rundll_services.yml

title: Invoke-Obfuscation RUNDLL LAUNCHER
id: 03b024c6-aad1-4da5-9f60-e9e8c00fa64c
related:
    - id: 11b52f18-aaec-4d60-9143-5dd8cc4706b9
      type: derived
description: Detects Obfuscated Powershell via RUNDLL LAUNCHER
status: unsupported
author: Timur Zinniatullin, oscd.community
date: 2020/10/18
modified: 2021/09/18
references:
    - https://github.com/Neo23x0/sigma/issues/1009 #(Task 23)
tags:
    - attack.defense_evasion
    - attack.t1027
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: driver_load
detection:
    selection:
        ImagePath|re: '(?i).*rundll32(?:\.exe)?(?:\s+)?shell32\.dll.*shellexec_rundll.*powershell.*\"'
    condition: selection 
falsepositives:
    - Unknown
level: medium