Discovery of Domain Groups

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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:

  • auditbeat-*
  • logs-endpoint.events.*

Severity: low

Risk score: 21

Runs every: 60m

Searches indices from: now-119m (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

Version: 1

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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

Framework: MITRE ATT&CKTM