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Elastic Docs ›Elastic Security Solution [8.6] ›Detections and alerts ›Prebuilt rule reference

Process Discovery Using Built-in Tools

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Process Discovery Using Built-in Tools

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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.*

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: Windows
  • Use Case: Threat Detection
  • Tactic: Discovery
  • Rule Type: BBR

Version: 1

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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process where host.os.type == "windows" and event.type == "start" and
  (
   process.name == "reg.exe" and process.args : "query" or
   (process.name: ("powershell.exe", "pwsh.exe", "powershell_ise.exe") and
    (process.args: ("*Get-ChildItem*", "*Get-Item*", "*Get-ItemProperty*") and
     process.args : (
      "*HKLM*", "*HKCU*", "*HKEY_LOCAL_MACHINE*", "*HKEY_CURRENT_USER*", "Registry::"
   )))
  )

Framework: MITRE ATT&CKTM

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