Process Discovery Using Built-in Tools

Elastic Stack Serverless Security

This rule identifies the execution of commands that can be used to enumerate running processes. Adversaries may enumerate processes to identify installed applications and security solutions.

Rule type: eql

Rule indices:

logs-endpoint.events.process-*
logs-system.security*
winlogbeat-*
logs-windows.*
endgame-*

Severity: low

Risk score: 21

Runs every: 5m

Searches indices from: now-9m (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: Windows
Use Case: Threat Detection
Tactic: Discovery
Rule Type: BBR
Data Source: Elastic Defend
Data Source: Elastic Endgame
Data Source: System

Version: 107

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

		process where host.os.type == "windows" and event.type == "start" and process.args != null and
  (
    process.name :("PsList.exe", "qprocess.exe") or
   (process.name : "powershell.exe" and process.args : ("*get-process*", "*Win32_Process*")) or
   (process.name : "wmic.exe" and process.args : ("process", "*Win32_Process*")) or
   (process.name : "tasklist.exe" and not process.args : ("pid eq*")) or
   (process.name : "query.exe" and process.args : "process")
  ) and not user.id : "S-1-5-18"

	

Framework: MITRE ATT&CKTM

Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/
Technique:
- Name: Process Discovery
- ID: T1057
- Reference URL: https://attack.mitre.org/techniques/T1057/