Suspicious Execution of Shutdown — Sigma Rule

Rule metadata and linked tags

Author: frack113. Source status: test; severity: medium. Source dates: 2022-01-01 / not supplied.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 63be1f9fb865ee784a3a8a265278e8bc364b3e182eb06a348e326fa379f27848

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Suspicious Execution of Shutdown
id: 34ebb878-1b15-4895-b352-ca2eeb99b274
status: test
description: Use of the commandline to shutdown or reboot windows
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1529/T1529.md
    - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/shutdown
author: frack113
date: 2022-01-01
tags:
    - attack.impact
    - attack.t1529
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\shutdown.exe'
        CommandLine|contains:
            - '/r '
            - '/s '
    condition: selection
falsepositives:
    - Unknown
level: medium

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1529/T1529.md
• https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/shutdown