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Nuclei Templates

Installation of Unsigned Kernel-Mode Drivers Allowed

ID: unsigned-kernel-mode-drivers-allowed

Severity: high

Author: princechaddha

Tags: drivers,kernel-mode,code,windows-audit

Description

Section titled “Description”

Checks if the system allows installation of unsigned kernel-mode drivers, which can be malicious.

YAML Source

Section titled “YAML Source”
id: unsigned-kernel-mode-drivers-allowed


info:
  name: Installation of Unsigned Kernel-Mode Drivers Allowed
  author: princechaddha
  severity: high
  description: Checks if the system allows installation of unsigned kernel-mode drivers, which can be malicious.
  impact: |
    Unsigned kernel-mode drivers can be malicious and compromise system security.
  remediation: |
    Restrict the installation of unsigned drivers by enforcing driver signature checks.
  tags: drivers,kernel-mode,code,windows-audit


self-contained: true


code:
  - pre-condition: |
      IsWindows();
    engine:
      - powershell.exe
    args:
      - -ExecutionPolicy
      - Bypass
    pattern: "*.ps1"
    source: |
      if ((Get-ItemProperty 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\DriverInstall' -Name 'BehaviorOnFailedVerify' -ErrorAction SilentlyContinue).BehaviorOnFailedVerify -eq 0) { Write-Output 'Unsigned driver installation allowed'; }


    matchers:
      - type: word
        words:
          - "Unsigned driver installation allowed"
# digest: 4a0a00473045022100fdc8d6474c5d684196142e2d90e9840dd18ca1a1c7ae9bb31dc39a8c39a0a5ea02207c45135d828d0298c89d45253c831bed0b620a6fa4c4a645066993a45c05591b: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/unsigned-kernel-mode-drivers-allowed.yaml"

View on Github