Possible Remote Desktop Tunneling (via process_creation)

title: Possible Remote Desktop Tunneling (via process_creation)
id: 39cb98e1-27ad-5d4c-9a3a-132aa31c617e
status: stable
description: This rule detects potential use of an SSH utility to establish RDP over a reverse SSH Tunnel. This can be used by adversaries to enable routing of network packets that would otherwise not reach their intended destination.
references:
    - https://attack.mitre.org/techniques/T1021/
    - https://www.elastic.co/guide/en/security/current/potential-remote-desktop-tunneling-detected.html
author: Huntrule Team
date: 2026-01-07
tags:
    - attack.lateral-movement
    - attack.t1021
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains: ':3389'
    selection_opt:
        CommandLine|contains:
            - ' -L '
            - ' -P '
            - ' -R '
            - ' -pw '
            - ' -ssh '
    condition: all of selection*
falsepositives:
    - Unknown
level: medium