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detecting-modbus-command-injection-attacks

85 / 100 · Low risk

Fine to try.

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

Detect command injection attacks against Modbus TCP/RTU protocol in ICS environments by monitoring for unauthorized write operations, anomalous function codes, malformed frames, and deviations from established communication baselines using ICS-aware IDS and protocol deep packet inspection.

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-modbus-command-injection-attacks' ] || [ -L ~/.agents/skills/'detecting-modbus-command-injection-attacks' ]; then echo 'A skill folder named detecting-modbus-command-injection-attacks 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 "$d" checkout --quiet '293ce9f76e3abcd5ba18db284688bc0d9ac6691d' -- 'plugins/asi/skills/detecting-modbus-command-injection-attacks' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/asi/skills/detecting-modbus-command-injection-attacks' ~/.agents/skills/'detecting-modbus-command-injection-attacks' && 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-modbus-command-injection-attacks' ~/.claude/skills/'detecting-modbus-command-injection-attacks' (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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