Active Directory Computers Enumeration With Get-AdComputer

calendar Jul 8, 2023 · attack.discovery attack.t1018 attack.t1087.002  ·
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Detects usage of the "Get-AdComputer" to enumerate Computers or properties within Active Directory.

Sigma rule (View on GitHub)

 1title: Active Directory Computers Enumeration With Get-AdComputer
 2id: 36bed6b2-e9a0-4fff-beeb-413a92b86138
 3status: experimental
 4description: Detects usage of the "Get-AdComputer" to enumerate Computers or properties within Active Directory.
 5references:
 6    - https://learn.microsoft.com/en-us/powershell/module/activedirectory/get-adcomputer
 7    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1018/T1018.md
 8    - https://github.com/redcanaryco/atomic-red-team/blob/02cb591f75064ffe1e0df9ac3ed5972a2e491c97/atomics/T1087.002/T1087.002.md
 9author: frack113
10date: 2022/03/17
11modified: 2023/07/08
12tags:
13    - attack.discovery
14    - attack.t1018
15    - attack.t1087.002
16logsource:
17    product: windows
18    category: ps_script
19    definition: 'Requirements: Script Block Logging must be enabled'
20detection:
21    selection_cmdlet:
22        ScriptBlockText|contains: 'Get-AdComputer '
23    selection_option:
24        ScriptBlockText|contains:
25            - '-Filter '
26            - '-LDAPFilter '
27            - '-Properties '
28    condition: all of selection_*
29falsepositives:
30    - Unknown
31level: low

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