Port Forwarding Rule Addition

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Identifies the creation of a new port forwarding rule. An adversary may abuse this technique to bypass network segmentation restrictions.

Rule type: eql

Rule indices:

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

Severity: medium

Risk score: 47

Runs every: 5m

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
  • Command and Control

Version: 4

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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registry where registry.path : "HKLM\\SYSTEM\\ControlSet*\\Services\\PortProxy\\v4tov4\\*"

Framework: MITRE ATT&CKTM