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