title: Conti Volume Shadow Listing author: Max Altgelt, Tobias Michalski date: 2021/08/09 description: Detects a command used by conti to find volume shadow backups detection: SELECTION_1: EventID: 1 SELECTION_2: CommandLine: '*vssadmin list shadows*' SELECTION_3: CommandLine: '*log.txt*' condition: (SELECTION_1 and SELECTION_2 and SELECTION_3) falsepositives: - Unknown fields: - User - CommandLine - ParentImage id: 7b30e0a7-c675-4b24-8a46-82fa67e2433d level: high logsource: category: process_creation product: windows references: - https://twitter.com/vxunderground/status/1423336151860002816?s=20 - https://www.virustotal.com/gui/file/03e9b8c2e86d6db450e5eceec057d7e369ee2389b9daecaf06331a95410aa5f8/detection status: experimental tags: - attack.t1587.001 - attack.resource_development ruletype: SIGMA