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Nuclei Templates

Download of Unsigned ActiveX Controls Allowed

ID: download-unsigned-activex-allowed

Severity: high

Author: princechaddha

Tags: activex,code-signing,code,windows-audit

Description

Section titled “Description”

Verifies if the system allows downloading and installing unsigned ActiveX controls.

YAML Source

Section titled “YAML Source”
id: download-unsigned-activex-allowed


info:
  name: Download of Unsigned ActiveX Controls Allowed
  author: princechaddha
  severity: high
  description: Verifies if the system allows downloading and installing unsigned ActiveX controls.
  impact: |
    Allowing unsigned ActiveX controls can lead to the execution of malicious code.
  remediation: |
    Disable the download and installation of unsigned ActiveX controls.
  tags: activex,code-signing,code,windows-audit


self-contained: true


code:
  - pre-condition: |
      IsWindows();
    engine:
      - powershell
      - powershell.exe
    args:
      - -ExecutionPolicy
      - Bypass
    pattern: "*.ps1"
    source: |
      $prop = Get-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0' -Name '1004' -ErrorAction SilentlyContinue; if ($null -eq $prop.'1004') { "Property '1004' does not exist" } else { $prop.'1004' }


    matchers:
      - type: word
        words:
          - "1004=0"
# digest: 4b0a004830460221008239ff4938ea80b7ea56a693c559e3dc2a36fccd79620ed5e1d1f11616b37285022100e25aabca0a58cda005cfe359b88d5932b11ecc0ae1cb5a85eb8b30094a6ca1da: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/download-unsigned-activex-allowed.yaml"

View on Github