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detecting-ntlm-relay-with-event-correlation

100 / 100 · Low risk

Fine to try.

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

Detect NTLM relay attacks through Windows Security Event correlation by analyzing Event 4624 LogonType 3 for IP-to-hostname mismatches, identifying Responder/LLMNR poisoning artifacts, auditing SMB and LDAP signing enforcement across the domain, and detecting NTLM downgrade attacks from NTLMv2 to NTLMv1 using event log analysis.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

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

if [ -e ~/.agents/skills/'detecting-ntlm-relay-with-event-correlation' ] || [ -L ~/.agents/skills/'detecting-ntlm-relay-with-event-correlation' ]; then echo 'A skill folder named detecting-ntlm-relay-with-event-correlation 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 "$d" checkout --quiet '293ce9f76e3abcd5ba18db284688bc0d9ac6691d' -- 'plugins/asi/skills/detecting-ntlm-relay-with-event-correlation' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/asi/skills/detecting-ntlm-relay-with-event-correlation' ~/.agents/skills/'detecting-ntlm-relay-with-event-correlation' && 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-ntlm-relay-with-event-correlation' ~/.claude/skills/'detecting-ntlm-relay-with-event-correlation' (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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