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Nuclei Templates

Restrict Anonymous Access Disabled

ID: restrict-anonymous-access-disabled

Severity: high

Author: princechaddha

Tags: windows,anonymous-access,code,windows-audit

Description

Section titled “Description”

Verifies if anonymous access restrictions are disabled.

YAML Source

Section titled “YAML Source”
id: restrict-anonymous-access-disabled


info:
  name: Restrict Anonymous Access Disabled
  author: princechaddha
  severity: high
  description: Verifies if anonymous access restrictions are disabled.
  impact: |
    Disabling restrictions on anonymous access could expose sensitive information and increase the attack surface.
  remediation: |
    Enable anonymous access restrictions by setting the RestrictAnonymous registry key to 1 or 2.
  tags: windows,anonymous-access,code,windows-audit


self-contained: true


code:
  - pre-condition: |
      IsWindows();
    engine:
      - powershell
      - powershell.exe
    args:
      - -ExecutionPolicy
      - Bypass
    pattern: "*.ps1"
    source: |
      $restrictAnonymous = Get-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\Lsa' -Name 'RestrictAnonymous'
      Write-Host "RestrictAnonymous: $($restrictAnonymous.RestrictAnonymous)"


    matchers:
      - type: word
        words:
          - "RestrictAnonymous: 0"
# digest: 490a004630440220302018a51e25deddf2e713e2f715feaa0d993f330bc3540a1231daa119016f1a022050ed95a1686cf7d7d92fd816f602bf5ce499511b1081ff5ef4d7556e778aafef: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/restrict-anonymous-access-disabled.yaml"

View on Github