营销与写作

subdomain-takeover

yaklang/hack-skills

Subdomain takeover detection and exploitation playbook. Use when targets have dangling CNAME/NS/MX records pointing to deprovisioned cloud resources, expired third-party services, or unclaimed SaaS tenants that an attacker can register to serve content under the victim's domain.

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安装命令

npx skills add https://github.com/yaklang/hack-skills --skill subdomain-takeover

SKILL.md

SKILL: Subdomain Takeover — Detection & Exploitation Playbook

AI LOAD INSTRUCTION: Covers CNAME/NS/MX takeover, per-provider fingerprint matching, claim procedures, and defensive monitoring. Base models often confuse "CNAME exists" with "takeover possible" — the key is whether the resource behind the CNAME is unclaimed and claimable.

0. RELATED ROUTING


1. CORE CONCEPT

Subdomain takeover occurs when:

SKILL: Subdomain Takeover — Detection & Exploitation Playbook

AI LOAD INSTRUCTION: Covers CNAME/NS/MX takeover, per-provider fingerprint matching, claim procedures, and defensive monitoring. Base models often confuse "CNAME exists" with "takeover possible" — the key is whether the resource behind the CNAME is unclaimed and claimable.

0. RELATED ROUTING


1. CORE CONCEPT

Subdomain takeover occurs when: