Skip to content
Nuclei Templates

Network Level Authentication for RDP Disabled

ID: rdp-nla-disabled

Severity: high

Author: princechaddha

Tags: windows,rdp,nla,authentication,code,windows-audit

Description

Section titled “Description”

Checks if Network Level Authentication (NLA) for Remote Desktop Protocol is disabled, increasing the risk of unauthorized access.

YAML Source

Section titled “YAML Source”
id: rdp-nla-disabled


info:
  name: Network Level Authentication for RDP Disabled
  author: princechaddha
  severity: high
  description: Checks if Network Level Authentication (NLA) for Remote Desktop Protocol is disabled, increasing the risk of unauthorized access.
  impact: |
    Disabling NLA for RDP exposes the system to potential unauthorized remote access and brute force attacks.
  remediation: |
    Enable Network Level Authentication (NLA) to secure remote desktop connections.
  tags: windows,rdp,nla,authentication,code,windows-audit


self-contained: true


code:
  - pre-condition: |
      IsWindows();
    engine:
      - powershell
      - powershell.exe
    args:
      - -ExecutionPolicy
      - Bypass
    pattern: "*.ps1"
    source: |
      Get-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp' -Name 'UserAuthentication'


    matchers:
      - type: word
        words:
          - "UserAuthentication : 0"
# digest: 4a0a00473045022100c672fc3e3cf375ae4e1433961ce0415a469e3d0a75794d319c67c7c7ada0325d02207266cbbe50f25750e2a6e188396638919544e85e612d5a74217be7c45928ebcf:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "code/windows/audit/rdp-nla-disabled.yaml"

View on Github