Discovery of Domain Groups

Identifies the execution of Linux built-in commands related to account or group enumeration. Adversaries may use account and group information to orient themselves before deciding how to act.

Rule type: eql

Rule indices:

logs-endpoint.events.*
endgame-*
auditbeat-*
logs-auditd_manager.auditd-*

Severity: low

Risk score: 21

Runs every: 60m

Searches indices from: now-119m (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)

Maximum alerts per execution: 100

References: None

Tags:

Domain: Endpoint
OS: Linux
Use Case: Threat Detection
Tactic: Discovery
Rule Type: BBR
Data Source: Elastic Defend
Data Source: Elastic Endgame
Data Source: Auditd Manager

Version: 2

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

		process where host.os.type == "linux" and event.type == "start" and event.action in ("exec", "exec_event", "executed", "process_started")
 and (
  process.name in ("ldapsearch", "dscacheutil") or (process.name == "dscl" and process.args : "*-list*")
)

	

Framework: MITRE ATT&CKTM

Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/
Technique:
- Name: Permission Groups Discovery
- ID: T1069
- Reference URL: https://attack.mitre.org/techniques/T1069/