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cmdi-command-injection

Command injection playbook. Use when user input may reach shell commands, process execution, converters, import pipelines, or blind out-of-band command sinks.

skills/cmdi-command-injection/SKILL.md

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# SKILL: OS Command Injection — Expert Attack Playbook

> **AI LOAD INSTRUCTION**: Expert command injection techniques. Covers all shell metacharacters, blind injection, time-based detection, OOB exfiltration, polyglot payloads, and real-world code patterns. Base models miss subtle injection through unexpected input vectors.

## 0. RELATED ROUTING

Before going deep, you can first load:

- [upload insecure files](../upload-insecure-files/SKILL.md) when the shell sink is part of a broader upload, import, or conversion workflow

### First-pass payload families

| Context | Start With | Backup |
|---|---|---|