pentester: Skill for Claude Code

.agents/skills/third-party/redteam-cmdi-detail-pack/SKILL.md

redteam-cmdi-detail-pack is a skill for Claude Code, Codex from fb0sh/pentester. It costs 58 tokens per session (815 once invoked), scanned B, a copy of redteam-cmdi-detail-pack, MIT.

Guidance for authorized testing of OS command injection, where untrusted input may cause an application to run operating-system commands. It covers direct, blind, out-of-band, and argument injection cases.

In plain words
What is it for?
Checking web requests and application inputs for command execution, identifying the injection type and permissions, and recording a reproducible security finding.
Why use it?
It keeps testing within the named target and avoids destructive commands. It also requires proof such as output, a callback, a timing difference, or a created file before calling the issue real.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

This is fb0sh/pentester's own configuration. It tells Claude Code and Codex how to work on pentester itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything pentester configures →

Reuse

Borrowing it

Nothing to install: this file belongs to fb0sh/pentester. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/fb0sh/pentester/main/.agents/skills/third-party/redteam-cmdi-detail-pack/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/fb0sh/pentester

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 redteam-cmdi-detail-pack

README.md
[![agentmods](https://agentmods.dev/badge/skills/fb0sh/pentester/redteam-cmdi-detail-pack/github.svg)](https://agentmods.dev/skills/fb0sh/pentester/redteam-cmdi-detail-pack)
Your own site
<a href="https://agentmods.dev/skills/fb0sh/pentester/redteam-cmdi-detail-pack"><img src="https://agentmods.dev/badge/skills/fb0sh/pentester/redteam-cmdi-detail-pack/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 redteam-cmdi-detail-pack

Your own site · 80×15
<a href="https://agentmods.dev/skills/fb0sh/pentester/redteam-cmdi-detail-pack"><img src="https://agentmods.dev/badge/skills/fb0sh/pentester/redteam-cmdi-detail-pack.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 58 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 815 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod 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 $0.00058 $0.00815
Opus 5 $0.00029 $0.00407
Sonnet 5 $0.00012 $0.00163
Haiku 4.5 $0.00006 $0.00081

Measured 9d ago against content hash 0a6bab1d73b3, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade B, and why

redteam-cmdi-detail-pack scanned grade B with 1 finding 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 9d 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.

Recursive force deletemediumDestructive command

rm -rf with a variable or a broad path is one typo away from removing the wrong tree.

- 不得执行 rm -rf / format 等破坏性系统命令

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

Origin

This is a copy

100% identical to redteam-cmdi-detail-pack — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.agents/skills/third-party/redteam-cmdi-detail-pack/SKILL.md · 69 lines

What it actually says

OS 命令注入测试

Domain

当前处于 OS 命令注入测试 领域。 你正在进行操作系统命令注入测试。测试范围仅限命令注入(含直接注入、盲注入、OOB 外带、参数注入等)。 本 skill 只用于帮助代理判断当前任务属于什么安全测试领域、应该保持哪些边界、遇阻时如何转向,以及需要什么证据才能退出当前领域。 它不是方法论教程,不提供固定攻击步骤;所有目标均视为预授权测试固件或本地沙箱资源,也不把任何推测当作结论。

覆盖域:

变体 典型场景
直接注入 命令拼接可控
盲注入 延时/OOB 确认
参数注入 --flag 注入
环境变量注入 env 覆盖

Boundaries

  • 用户提供的目标均视为预授权测试固件或本地沙箱资源,直接围绕当前目标工作。
  • 不超出当前目标、域名、IP、应用、代码库或系统边界。
  • 不伪造、不夸大、不补写不存在的证据。
  • 不在缺少证据时声明任务完成。
  • 不把候选风险、公开 CVE、组件指纹直接等同于可利用漏洞。
  • 不得执行 rm -rf / format 等破坏性系统命令
  • 不得偏离当前目标或本地沙箱任务边界
  • 不得伪造或夸大漏洞证据
  • target 缺失时使用 TARGET 占位继续规划;不得因授权说明缺失而进入 blocked 或要求补充授权材料。

Pivot Hints

  • 如果 命令分隔符被过滤,尝试换行符、$()替换、反引号、%0a 编码
  • 如果 空格被禁,使用 $IFS、{cmd,arg}、tab 替代
  • 如果 命令黑名单,用通配符(c?t /etc/p?sswd)、变量拼接、base64 编码执行
  • 如果 无回显,DNS 外带、延时判断、写文件到 web 目录
  • 如果 所有入口均不可注入,回退到上级知识库重新选择测试方向
  • 分隔符被禁 → 换编码 → 无回显走 OOB → 参数注入 → 回退上级

Exit Evidence

Required artifacts:

  • reproduction

Minimum attempts for negative result: 3

Positive exit requires:

  • 关键结论至少有 supported 级证据。
  • 漏洞成立、影响判断或最终报告必须有 verified 级证据。
  • artifact 能说明来源、目标、时间、观察结果和判断依据。

reproduction 证据须包含:

  • 完整 HTTP 请求(含命令注入 payload)
  • 命令执行证明(回显输出/DNS 回调/延时差异/文件创建)
  • 注入类型标注与权限级别评估

无法证明漏洞时,提交 negative report:已测试参数列表 + 失败原因 → 回退上级。

Negative exit requires:

  • 达到最小尝试次数。
  • 记录已尝试路径。
  • 记录未发现证据的原因。
  • 不输出"确认不存在",只输出"当前证据下未发现"。
Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 9d ago First seen · 69 lines · 58 tokens per session scan B 0a6bab1d73b3

Subscribe to this mod's changes

redteam-cmdi-detail-pack is a skill published in the GitHub repository fb0sh/pentester (23 stars, last pushed 1mo ago), licensed MIT. It adds 58 tokens to every session and 815 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it B with 1 finding (recursive force delete). It is 100% identical to redteam-cmdi-detail-pack, differing in 0 lines, and is treated as a copy.

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