Wireless Credential Dumping using Netsh Command

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Identifies attempts to dump Wireless saved access keys in clear text using the Windows built-in utility Netsh.

Rule type: eql

Rule indices:

  • winlogbeat-*
  • logs-endpoint.events.*
  • logs-windows.*
  • endgame-*

Severity: high

Risk score: 73

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Credential Access
  • Discovery
  • Elastic Endgame

Version: 1

Added (Elastic Stack release): 8.6.0

Rule authors: Elastic

Rule license: Elastic License v2

Investigation guide

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Rule query

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process where event.type == "start" and (process.name : "netsh.exe"
or process.pe.original_file_name == "netsh.exe") and process.args :
"wlan" and process.args : "key*clear"

Threat mapping

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Framework: MITRE ATT&CKTM