Netsh Port Proxy Forwarding

Severity highWindowsSingle eventexperimentalsigma.netsh_portproxy · v1.0.0

What it detects

Configuring a netsh portproxy tunnel — lateral movement / pivot

MITRE ATT&CK mapping

  • T1090Proxy· Command and Control

False positives and triage

Converted from Sigma; review before enabling.

The rule

Declarative YAML read by the detection engine — data, never executed. Confidence 70%. Source: rules/sigma/sigma.netsh_portproxy.yaml, licensed under the Detection Rule License 1.1.

id: sigma.netsh_portproxy
version: 1.0.0
status: experimental
severity: high
confidence: 0.7
platforms:
- windows
mitre_techniques:
- T1090
description: Configuring a netsh portproxy tunnel — lateral movement / pivot (Sigma sample)
match:
  event_category: process
  process_path_contains_any:
  - \netsh.exe
  command_line_contains_any:
  - portproxy
false_positive_guidance: Converted from Sigma; review before enabling.

Adapted from the SigmaHQ rule “Netsh Port Proxy Forwarding”, distributed under the Detection Rule License 1.1. SigmaHQ.

Related detections

Run this rule on your own logs — offline

KIROSEC runs this rule and the rest of the library over Windows, Linux, macOS and cloud audit logs on the analyst's own machine. Every alert links to the events that raised it, and nothing leaves the device.

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