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Process Discovery Using Built-in Tools

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:

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

Rule Severity: low
Risk Score: 21
Runs every:
Searches indices from: now-9m
Maximum alerts per execution: ?
References:

Tags:

  • Domain: Endpoint
  • OS: Windows
  • Use Case: Threat Detection
  • Tactic: Discovery
  • Rule Type: BBR
  • Data Source: Elastic Defend
  • Data Source: Elastic Endgame
  • Data Source: Windows Security Event Logs

Version: ?
Rule authors:

  • Elastic

Rule license: Elastic License v2

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&CK