SigmaHQ/rules/windows/sysmon/sysmon_susp_wmi_execution.yml

title: Suspicious WMI execution
status: experimental
description: Detects WMI executing suspicious commands
references:
    - https://digital-forensics.sans.org/blog/2010/06/04/wmic-draft/
    - https://www.hybrid-analysis.com/sample/4be06ecd234e2110bd615649fe4a6fa95403979acf889d7e45a78985eb50acf9?environmentId=1
    - https://blog.malwarebytes.com/threat-analysis/2016/04/rokku-ransomware/
author: Michael Haag, Florian Roth
logsource:
    product: windows
    service: sysmon
detection:
    selection:
        EventID: 1
        Image:
            - '*\wmic.exe'
        CommandLine:
            - '*/NODE:*process call create *'
            - '* path AntiVirusProduct get *'
            - '* path FirewallProduct get *'
            - '* shadowcopy delete *'
    condition: selection
fields:
    - CommandLine
    - ParentCommandLine
falsepositives:
    - Will need to be tuned
    - If using Splunk, I recommend | stats count by Computer,CommandLine following for easy hunting by Computer/CommandLine.
level: medium