Local Groups Discovery - Linux

testlow
log source: linux · process_creationauthor Ömer Günal, Alejandro Ortuno, oscd.communitydate 2020-10-11
01

description

What this is, in brief.

Detects enumeration of local system groups. Adversaries may attempt to find local system groups and permission settings

02

tags

attack.discoveryattack.t1069.001
03

rule source (YAML)

title: Local Groups Discovery - Linux
id: 676381a6-15ca-4d73-a9c8-6a22e970b90d
status: test
description: Detects enumeration of local system groups. Adversaries may attempt to find local system groups and permission settings
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: 2025-06-04
tags:
    - attack.discovery
    - attack.t1069.001
logsource:
    category: process_creation
    product: linux
detection:
    selection_1:
        Image|endswith: '/groups'
    selection_2:
        Image|endswith:
            - '/cat'
            - '/ed'
            - '/head'
            - '/less'
            - '/more'
            - '/nano'
            - '/tail'
            - '/vi'
            - '/vim'
        CommandLine|contains: '/etc/group'
    condition: 1 of selection_*
falsepositives:
    - Legitimate administration activities
level: low
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.