Suspicious Execution of Shutdown to Log Out

Detects the rare use of the command line tool shutdown to logoff a user

Sigma rule (View on GitHub)

 1title: Suspicious Execution of Shutdown to Log Out
 2id: ec290c06-9b6b-4338-8b6b-095c0f284f10
 3status: test
 4description: Detects the rare use of the command line tool shutdown to logoff a user
 5references:
 6    - https://github.com/redcanaryco/atomic-red-team/blob/9e5b12c4912c07562aec7500447b11fa3e17e254/atomics/T1529/T1529.md
 7    - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/shutdown
 8author: frack113
 9date: 2022-10-01
10tags:
11    - attack.impact
12    - attack.t1529
13logsource:
14    category: process_creation
15    product: windows
16detection:
17    selection:
18        Image|endswith: '\shutdown.exe'
19        CommandLine|contains: '/l'
20    condition: selection
21falsepositives:
22    - Unknown
23level: medium

References

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