Possible Local Groups Enumeration - MacOs (via process_creation)

title: Possible Local Groups Enumeration - MacOs (via process_creation)
id: 01e628ce-950b-5534-8c01-ae5f8354449f
status: stable
description: This rule detects enumeration of local system groups
references:
    - https://attack.mitre.org/techniques/T1069/001/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1069.001/T1069.001.md
author: Huntrule Team
date: 2026-03-31
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:
    - Unknown
level: informational