pentester: Skill for Claude Code

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

redteam-payload-detail-pack is a skill for Claude Code, Codex from fb0sh/pentester. It costs 64 tokens per session (756 once invoked), scanned A, a copy of redteam-payload-detail-pack, MIT.

Guidance for authorized security testing focused on constructing and analyzing payloads, such as shellcode, file-based payloads, phishing payloads, and staged or stageless payloads. It defines the testing boundaries, evidence requirements, and when to stop or change direction.

In plain words
What is it for?
Use it to route payload-construction work, define what evidence a positive or negative result needs, and keep testing within the stated target and authorized scope.
Why use it?
It helps an agent decide whether a task belongs to payload construction and keeps conclusions tied to recorded evidence. It also prevents treating a suspected issue or component fingerprint as proof of an exploitable vulnerability.

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-payload-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-payload-detail-pack

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/fb0sh/pentester/redteam-payload-detail-pack"><img src="https://agentmods.dev/badge/skills/fb0sh/pentester/redteam-payload-detail-pack.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 64 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 756 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. 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 $0.00064 $0.00756
Opus 5 $0.00032 $0.00378
Sonnet 5 $0.00013 $0.00151
Haiku 4.5 $0.00006 $0.00076

Measured 9d ago against content hash 41b15134af08, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

redteam-payload-detail-pack scanned grade A with 0 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 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to redteam-payload-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-payload-detail-pack/SKILL.md · 67 lines

What it actually says

Payload 构造与武器化

Domain

当前处于 Payload 构造与武器化 领域。 你正在进行 Payload 生成与投递测试。测试范围仅限载荷构造(含 shellcode 生成、文件格式利用、钓鱼载荷、staged/stageless 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:

|------|--------| | Shellcode | 编码/加密/syscall | | 文件格式 | 宏/LNK/ISO/PDF | | 钓鱼载荷 | HTML smuggling | | Staged | 分阶段加载 |

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。
  • 不得向当前目标之外投递载荷
  • 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 文件格式被检测,修改 magic bytes、加密内嵌、利用合法格式特性
  • 如果 Shellcode 被查杀,编码/加密/自解密、syscall 直调用
  • 如果 投递渠道被阻,换投递方式(宏/LNK/ISO/OneNote)、利用信任关系
  • 如果 所有载荷被拦截,记录检测规则特征,回退上级
  • 被查杀 → 换编码 → 换格式 → 换投递渠道 → 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:

  • Payload 构造方法与工具
  • 投递成功并执行的证明
  • 绕过的检测层与残余风险

无法投递成功时,提交 negative report:已尝试载荷类型 + 被拦截环节 → 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 · 67 lines · 64 tokens per session scan A 41b15134af08

Subscribe to this mod's changes

redteam-payload-detail-pack is a skill published in the GitHub repository fb0sh/pentester (23 stars, last pushed 1mo ago), licensed MIT. It adds 64 tokens to every session and 756 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to redteam-payload-detail-pack, differing in 0 lines, and is treated as a copy.

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