
title: Code Execution via Pcwutl.dll
author: Julia Fomina, oscd.community
date: 2020/10/05
description: Detects launch of executable by calling the LaunchApplication function
  from pcwutl.dll library.
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    Image: '*\rundll32.exe'
  SELECTION_3:
    CommandLine: '*pcwutl*'
  SELECTION_4:
    CommandLine: '*LaunchApplication*'
  condition: (SELECTION_1 and SELECTION_2 and SELECTION_3 and SELECTION_4)
falsepositives:
- Use of Program Compatibility Troubleshooter Helper
id: 9386d78a-7207-4048-9c9f-a93a7c2d1c05
level: medium
logsource:
  category: process_creation
  product: windows
references:
- https://github.com/api0cradle/LOLBAS/blob/master/OSLibraries/Pcwutl.md
- https://twitter.com/harr0ey/status/989617817849876488
status: experimental
tags:
- attack.defense_evasion
- attack.t1218.011
- attack.execution
- attack.t1218
ruletype: SIGMA
