nuclei-templates/dns/detect-dangling-cname.yaml

33 lines
745 B
YAML

id: detect-dangling-cname
info:
name: Detect Dangling cname
author: pdteam,nytr0gen
severity: info
tags: dns,takeover
reference:
- https://securitytrails.com/blog/subdomain-takeover-tips
- https://nominetcyber.com/dangling-dns-is-no-laughing-matter/
- https://nabeelxy.medium.com/dangling-dns-records-are-a-real-vulnerability-361f2a29d37f
- https://docs.microsoft.com/en-us/azure/security/fundamentals/subdomain-takeover
dns:
- name: "{{FQDN}}"
type: A
matchers-condition: and
matchers:
- type: word
words:
- "NXDOMAIN"
- type: word
words:
- "IN\tCNAME"
extractors:
- type: regex
group: 1
regex:
- "IN\tCNAME\t(.+)"