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detecting-dns-exfiltration-with-dns-query-analysis

95 / 100 · Low risk

Fine to try.

By plurigrid/asi (GitHub) · data · 72 stars · scanned at commit 293ce9f

Detect data exfiltration through DNS tunneling by analyzing query entropy, subdomain length, query volume, TXT record abuse, and response payload sizes using passive DNS monitoring.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

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

if [ -e ~/.agents/skills/'detecting-dns-exfiltration-with-dns-query-analysis' ] || [ -L ~/.agents/skills/'detecting-dns-exfiltration-with-dns-query-analysis' ]; then echo 'A skill folder named detecting-dns-exfiltration-with-dns-query-analysis already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/plurigrid/asi' "$d" && git -C "$d" checkout --quiet '293ce9f76e3abcd5ba18db284688bc0d9ac6691d' -- 'plugins/asi/skills/detecting-dns-exfiltration-with-dns-query-analysis' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/asi/skills/detecting-dns-exfiltration-with-dns-query-analysis' ~/.agents/skills/'detecting-dns-exfiltration-with-dns-query-analysis' && 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/'detecting-dns-exfiltration-with-dns-query-analysis' ~/.claude/skills/'detecting-dns-exfiltration-with-dns-query-analysis' (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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