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exploiting-broken-link-hijacking

75 / 100 · Review before installing

Check before installing. Some of what it can do is expected: a security skill usually runs scanners and checks websites.

By mukul975/Anthropic-Cybersecurity-Skills (GitHub) · security · 35,906 stars · scanned at commit 54a7988

Discovers and exploits broken link hijacking by spidering a site (Burp Suite Spider, Scrapy, curl scraping), extracting referenced external scripts/domains, and checking DNS/CNAME records and domain registration status for expired or unclaimed resources an attacker could register. Use for subdomain takeover testing, supply-chain review of third-party scripts, or bug bounty hunting for hijackable external resources.

Works with any agent that supports SKILL.md skills.

What this skill can do

Safer alternatives

Low-risk skills in the same category (security) that look related. Check that one does what you need.

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Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'exploiting-broken-link-hijacking' ] || [ -L ~/.agents/skills/'exploiting-broken-link-hijacking' ]; then echo 'A skill folder named exploiting-broken-link-hijacking already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/mukul975/Anthropic-Cybersecurity-Skills' "$d" && git -C "$d" checkout --quiet '54a798831d2266a3ca61ce68a7acb80b81160d57' -- 'skills/exploiting-broken-link-hijacking' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/exploiting-broken-link-hijacking' ~/.agents/skills/'exploiting-broken-link-hijacking' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'exploiting-broken-link-hijacking' ~/.claude/skills/'exploiting-broken-link-hijacking' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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