sigmahighHunting

RDP Port Forwarding Rule Added Via Netsh.EXE

Detects the execution of netsh to configure a port forwarding of port 3389 (RDP) rule

MITRE ATT&CK

lateral-movementdefense-evasioncommand-and-control

Detection Query

selection_img:
  - Image|endswith: \netsh.exe
  - OriginalFileName: netsh.exe
selection_cli:
  CommandLine|contains|all:
    - " i"
    - " p"
    - =3389
    - " c"
condition: all of selection_*

Author

Florian Roth (Nextron Systems), oscd.community

Created

2019-01-29

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://www.fireeye.com/blog/threat-research/2019/01/bypassing-network-restrictions-through-rdp-tunneling.html

Tags

attack.lateral-movementattack.defense-evasionattack.command-and-controlattack.t1090

Raw Content

title: RDP Port Forwarding Rule Added Via Netsh.EXE
id: 782d6f3e-4c5d-4b8c-92a3-1d05fed72e63
status: test
description: Detects the execution of netsh to configure a port forwarding of port 3389 (RDP) rule
references:
    - https://www.fireeye.com/blog/threat-research/2019/01/bypassing-network-restrictions-through-rdp-tunneling.html
author: Florian Roth (Nextron Systems), oscd.community
date: 2019-01-29
modified: 2023-02-13
tags:
    - attack.lateral-movement
    - attack.defense-evasion
    - attack.command-and-control
    - attack.t1090
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\netsh.exe'
        - OriginalFileName: 'netsh.exe'
    selection_cli:
        CommandLine|contains|all:
            - ' i'
            - ' p'
            - '=3389'
            - ' c'
    condition: all of selection_*
falsepositives:
    - Legitimate administration activity
level: high