SigmaHQ/rules/windows/process_creation/win_susp_openwith.yml

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YAML

title: OpenWith.exe Executes Specified Binary
id: cec8e918-30f7-4e2d-9bfa-a59cc97ae60f
status: experimental
description: The OpenWith.exe executes other binary
references:
- https://github.com/LOLBAS-Project/LOLBAS/blob/master/yml/LOLUtilz/OSBinaries/Openwith.yml
- https://twitter.com/harr0ey/status/991670870384021504
author: Beyu Denis, oscd.community (rule), @harr0ey (idea)
date: 2019/10/12
modified: 2019/11/04
tags:
- attack.defense_evasion
- attack.t1218
- attack.execution # an old one
level: high
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\OpenWith.exe'
CommandLine|contains: '/c'
condition: selection
falsepositives:
- Legitimate use of OpenWith.exe by legitimate user