Service StartupType Change Via PowerShell Set-Service

Detects the use of the PowerShell "Set-Service" cmdlet to change the startup type of a service to "disabled" or "manual"

Sigma rule (View on GitHub)

 1title: Service StartupType Change Via PowerShell Set-Service
 2id: 62b20d44-1546-4e61-afce-8e175eb9473c
 3status: test
 4description: Detects the use of the PowerShell "Set-Service" cmdlet to change the startup type of a service to "disabled" or "manual"
 5references:
 6    - https://www.virustotal.com/gui/file/38283b775552da8981452941ea74191aa0d203edd3f61fb2dee7b0aea3514955
 7author: Nasreddine Bencherchali (Nextron Systems)
 8date: 2023/03/04
 9tags:
10    - attack.execution
11    - attack.defense_evasion
12    - attack.t1562.001
13logsource:
14    category: process_creation
15    product: windows
16detection:
17    selection_img:
18        - Image|endswith: '\powershell.exe'
19        - OriginalFileName: 'PowerShell.EXE'
20    selection_cli:
21        CommandLine|contains|all:
22            - 'Set-Service'
23            - '-StartupType'
24        CommandLine|contains:
25            - 'Disabled'
26            - 'Manual'
27    condition: all of selection_*
28falsepositives:
29    - False positives may occur with troubleshooting scripts
30level: medium

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