Suspicious Execution of Shutdown to Log Out

Title: Suspicious Execution of Shutdown to Log Out
Status: test
Description:Detects the rare use of the command line tool shutdown to logoff a user
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/9e5b12c4912c07562aec7500447b11fa3e17e254/atomics/T1529/T1529.md
  -https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/shutdown
Author: frack113
Date: 2022-10-01
modified:None
Tags:

• -'attack.impact'
• -'attack.t1529'

Logsource:

• category: process_creation
• product: windows

Detection:
  selection:
    Image|endswith: '\shutdown.exe'
    CommandLine|contains: '/l'
  condition:selection
Falsepositives:
  -Unknown
Level: medium