HackTool - Certify Execution

Detects Certify a tool for Active Directory certificate abuse based on PE metadata characteristics and common command line arguments.

Sigma rule (View on GitHub)

 1title: HackTool - Certify Execution
 2id: 762f2482-ff21-4970-8939-0aa317a886bb
 3status: test
 4description: Detects Certify a tool for Active Directory certificate abuse based on PE metadata characteristics and common command line arguments.
 5references:
 6    - https://github.com/GhostPack/Certify
 7author: pH-T (Nextron Systems)
 8date: 2023-04-17
 9modified: 2023-04-25
10tags:
11    - attack.discovery
12    - attack.credential-access
13    - attack.t1649
14logsource:
15    category: process_creation
16    product: windows
17detection:
18    selection_img:
19        - Image|endswith: '\Certify.exe'
20        - OriginalFileName: 'Certify.exe'
21        - Description|contains: 'Certify'
22    selection_cli_commands:
23        CommandLine|contains:
24            - '.exe cas '
25            - '.exe find '
26            - '.exe pkiobjects '
27            - '.exe request '
28            - '.exe download '
29    selection_cli_options:
30        CommandLine|contains:
31            - ' /vulnerable'
32            - ' /template:'
33            - ' /altname:'
34            - ' /domain:'
35            - ' /path:'
36            - ' /ca:'
37    condition: selection_img or all of selection_cli_*
38falsepositives:
39    - Unknown
40level: high

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