DirectorySearcher Powershell Exploitation

Enumerates Active Directory to determine computers that are joined to the domain

Sigma rule (View on GitHub)

 1title: DirectorySearcher Powershell Exploitation
 2id: 1f6399cf-2c80-4924-ace1-6fcff3393480
 3status: test
 4description: Enumerates Active Directory to determine computers that are joined to the domain
 5references:
 6    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1018/T1018.md#atomic-test-15---enumerate-domain-computers-within-active-directory-using-directorysearcher
 7author: frack113
 8date: 2022-02-12
 9tags:
10    - attack.discovery
11    - attack.t1018
12logsource:
13    product: windows
14    category: ps_script
15    definition: 'Requirements: Script Block Logging must be enabled'
16detection:
17    selection:
18        ScriptBlockText|contains|all:
19            - 'New-Object '
20            - 'System.DirectoryServices.DirectorySearcher'
21            - '.PropertiesToLoad.Add'
22            - '.findall()'
23            - 'Properties.name'
24    condition: selection
25falsepositives:
26    - Unknown
27level: medium

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