Suspicious Port Forwarding Behavior Through SSH.EXE (via process_creation)

This rule detects port forwarding behavior via SSH.exe

SigmamediumWindowsv1
sigma
title: Suspicious Port Forwarding Behavior Through SSH.EXE (via process_creation)
id: 89adad7e-f004-5a2a-9c15-81998fa5b541
status: stable
description: This rule detects port forwarding behavior via SSH.exe
references:
    - https://attack.mitre.org/techniques/T1021/004/
    - https://attack.mitre.org/techniques/T1021/001/
    - https://attack.mitre.org/techniques/T1572/
    - https://www.absolomb.com/2018-01-26-Windows-Privilege-Escalation-Guide/
author: Huntrule Team
date: 2026-03-21
tags:
    - attack.command-and-control
    - attack.lateral-movement
    - attack.t1572
    - attack.t1021.001
    - attack.t1021.004
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\ssh.exe'
        CommandLine|contains|windash: ' -R '
    condition: selection
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.