Local Groups Discovery - MacOs

Title: Local Groups Discovery - MacOs
Status: test
Description:Detects enumeration of local system groups
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1069.001/T1069.001.md
Author: Ömer Günal, Alejandro Ortuno, oscd.community
Date: 2020-10-11
modified:2022-11-27
Tags:

• -'attack.discovery'
• -'attack.t1069.001'

Logsource:

• category: process_creation
• product: macos

Detection:
  selection_1:
    Image|endswith: '/dscacheutil'
    CommandLine|contains|all:
      -'-q'
      -'group'

  selection_2:
    Image|endswith: '/cat'
    CommandLine|contains: '/etc/group'
  selection_3:
    Image|endswith: '/dscl'
    CommandLine|contains|all:
      -'-list'
      -'/groups'

  condition:1 of selection*
Falsepositives:
  -Legitimate administration activities
Level: informational