Suspicious Get Local Groups Information - PowerShell

 1title: Suspicious Get Local Groups Information - PowerShell
 2id: fa6a5a45-3ee2-4529-aa14-ee5edc9e29cb
 3status: test
 4description: |
 5    Adversaries may attempt to find local system groups and permission settings.
 6    The knowledge of local system permission groups can help adversaries determine which groups exist and which users belong to a particular group.
 7    Adversaries may use this information to determine which users have elevated permissions, such as the users found within the local administrators group.    
 8references:
 9    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1069.001/T1069.001.md
10author: frack113
11date: 2021-12-12
12modified: 2022-11-25
13tags:
14    - attack.discovery
15    - attack.t1069.001
16logsource:
17    product: windows
18    category: ps_script
19    definition: 'Requirements: Script Block Logging must be enabled'
20detection:
21    test_3:
22        ScriptBlockText|contains:
23            - 'get-localgroup'
24            - 'Get-LocalGroupMember'
25    test_6:
26        ScriptBlockText|contains|all:
27            - 'Get-WMIObject'
28            - 'Win32_Group'
29    condition: 1 of test_*
30falsepositives:
31    - Unknown
32level: low