Local Groups Discovery - MacOs

 1title: Local Groups Discovery - MacOs
 2id: 89bb1f97-c7b9-40e8-b52b-7d6afbd67276
 3status: test
 4description: Detects enumeration of local system groups
 5references:
 6    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1069.001/T1069.001.md
 7author: Ömer Günal, Alejandro Ortuno, oscd.community
 8date: 2020-10-11
 9modified: 2022-11-27
10tags:
11    - attack.discovery
12    - attack.t1069.001
13logsource:
14    category: process_creation
15    product: macos
16detection:
17    selection_1:
18        Image|endswith: '/dscacheutil'
19        CommandLine|contains|all:
20            - '-q'
21            - 'group'
22    selection_2:
23        Image|endswith: '/cat'
24        CommandLine|contains: '/etc/group'
25    selection_3:
26        Image|endswith: '/dscl'
27        CommandLine|contains|all:
28            - '-list'
29            - '/groups'
30    condition: 1 of selection*
31falsepositives:
32    - Legitimate administration activities
33level: informational