command-injection

command-injection is a skill for Claude Code, Codex from NeoTheCapt/RedteamAgent. It costs 14 tokens per session (905 once invoked), scanned B, original, no licence file.

A security-testing skill for finding OS command injection, where application input can cause the server to run operating-system commands.

In plain words
What is it for?
Use it to test inputs, command filters, and possible bypasses for command-injection vulnerabilities.
Why use it?
It helps reveal whether user-controlled input can escape filters and execute unintended commands on the server.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

Good fit Use it to test inputs, command filters, and possible bypasses for command-injection vulnerabilities.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/neothecapt/redteamagent/command-injection
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add NeoTheCapt/RedteamAgent --skill command-injection
Clone the repo
git clone --depth 1 https://github.com/NeoTheCapt/RedteamAgent

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for command-injection

README.md
[![agentmods](https://agentmods.dev/badge/skills/neothecapt/redteamagent/command-injection/github.svg)](https://agentmods.dev/skills/neothecapt/redteamagent/command-injection)
Your own site
<a href="https://agentmods.dev/skills/neothecapt/redteamagent/command-injection"><img src="https://agentmods.dev/badge/skills/neothecapt/redteamagent/command-injection/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for command-injection

Your own site · 80×15
<a href="https://agentmods.dev/skills/neothecapt/redteamagent/command-injection"><img src="https://agentmods.dev/badge/skills/neothecapt/redteamagent/command-injection.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 14 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 905 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00014 $0.00905
Opus 5.5 $0.00006 $0.00362
Sonnet 5.5 $0.00003 $0.00181
Haiku 4.5 $0.00001 $0.00090

Measured 1mo ago against content hash 19d73c27e24d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

command-injection scanned grade B with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Reaches for credential filesmediumPrivilege escalation

SSH keys, cloud credentials, git-credentials, .npmrc, /etc/shadow: reading these is how a config file becomes a credential leak.

- [ ] Read sensitive files: `/etc/passwd`, `/etc/shadow`, config files

Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- `run_tool curl` / `run_tool wget` (manual requests)
agent/skills/command-injection/SKILL.md · 88 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 88 lines · 14 tokens per session scan B 19d73c27e24d

Subscribe to this mod's changes

command-injection is a skill published in the GitHub repository NeoTheCapt/RedteamAgent (146 stars, last pushed 2mo ago), with no licence file. It adds 14 tokens to every session and 905 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it B with 2 findings (reaches for credential files, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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