Files
nuclei-templates/dns/acme-challenge-detect.yaml
2026-01-12 02:05:54 +00:00

30 lines
893 B
YAML

id: acme-challenge-detect
info:
name: ACME DNS Challenge - Detect
author: rxerium
severity: info
description: |
Detects ACME (Automated Certificate Management Environment) DNS-01 challenge records used by Let's Encrypt and other certificate authorities.
reference:
- https://www.rfc-editor.org/rfc/rfc8555
- https://letsencrypt.org/docs/challenge-types/
metadata:
max-request: 1
tags: dns,acme,letsencrypt,certificate,discovery
dns:
- name: "_acme-challenge.{{FQDN}}"
type: TXT
matchers:
- type: regex
regex:
- "IN\tTXT"
- "[A-Za-z0-9_-]{43}"
extractors:
- type: regex
regex:
- 'TXT\s+"([^"]+)"'
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