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