packer

packer is a skill for Claude Code, Codex from SeaOf0/dsh-redteam-model. It costs 103 tokens per session (1,343 once invoked), scanned A, original, MIT.

A tool for packaging binary shellcode—machine code commonly used in security testing—into Windows executable files designed to avoid antivirus detection.

In plain words
What is it for?
Use it for authorized security research involving shellcode loaders, Windows executable builds, injection, and antivirus-evasion testing.
Why use it?
It automates the build and verification work involved in creating such loaders, including techniques aimed at bypassing specific security products.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it for authorized security research involving shellcode loaders, Windows executable builds, injection, and antivirus-evasion testing.

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Install with agentmods
npx agentmods add skills/seaof0/dsh-redteam-model/packer
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 SeaOf0/dsh-redteam-model --skill packer
Clone the repo
git clone --depth 1 https://github.com/SeaOf0/dsh-redteam-model

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 packer

README.md
[![agentmods](https://agentmods.dev/badge/skills/seaof0/dsh-redteam-model/packer.svg)](https://agentmods.dev/skills/seaof0/dsh-redteam-model/packer)
Your own site
<a href="https://agentmods.dev/skills/seaof0/dsh-redteam-model/packer"><img src="https://agentmods.dev/badge/skills/seaof0/dsh-redteam-model/packer.svg" alt="Measured on agentmods" height="20"></a>
Per session 103 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,343 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original 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 $0.00103 $0.01343
Opus 5 $0.00051 $0.00672
Sonnet 5 $0.00021 $0.00269
Haiku 4.5 $0.00010 $0.00134

Measured 8d ago against content hash 1d8ae6379676, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

packer 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 8d ago.

The scan reads SKILL.md. This mod also ships 4 executable files (scripts/build_qvm.py, scripts/parse_stager.py, scripts/verify_pe.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

modes/av-evasion/refs/packer/SKILL.md · 77 lines

How it starts

The opening of the file, as written. The whole thing — 77 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Packer - Shellcode 免杀加载器一键打包

概述

本 skill 采用"入口文档 + 参考文档"结构。SKILL.md 只保留主流程与关键约束,详细实现、验证、排障下沉到 references/

首次使用建议先阅读: references/layout.mdreferences/techniques.mdreferences/gostager.md

完整阅读路径见:references/overview.md

资源索引

  • tools/sgn.exetools/keystone.dll:外部二进制工具(版本见 tools/README.md
  • scripts/encrypt.goscripts/encrypt_ipv4.goscripts/parse_stager.py:辅助脚本
  • scripts/build_qvm.py:QVM 专项构建脚本(UUID编码 + Go源码生成 + 编译 + Overlay注水 + PE修复)
  • scripts/verify_pre.pyscripts/verify_pe.py:编译前/后验证脚本
  • assets/versioninfo.json:静态资源模板
  • references/overview.md:文档导航与阅读路径
  • references/layout.md:目录职责约定
  • references/techniques.md:注入技术与 SyscallN 参数表
  • references/defense-modules.md:防御模块实现模式
  • references/encryption.md:加解密逻辑参考
  • references/randomization.md:随机化规范
  • references/gostager.md:Go stager 详细流程
  • references/verification.md:编译前/编译后验证
  • references/troubleshooting.md:故障排查总表(含体积分诊表)
  • references/qvm-bypass.md360 QVM 专项免杀(UUID + Fiber + IAT欺骗 + Overlay注水 + PE元数据修复)

全局约束

  1. 命令中的 Python 统一写作 <python命令>,先通过环境检查确定是 python3 还是 python
  2. Windows 环境默认输出目录使用项目内 result/,不使用 /tmp/
  3. gostager 分支中下游字段以 scripts/parse_stager.py 输出 JSON 为唯一来源。
  4. sgn.exe 属于二进制工具,放 tools/;源码脚本放 scripts/(见 references/layout.md)。
  5. 每次编译前必须清理上次运行残留的生成文件result/*.goresult/*.exeresult/.eout.txt 等),确保本次编译不受上次遗留文件干扰。上次产物在两次生成之间保留,方便排查失败原因。清理方式见 references/verification.md
  6. Go 编译必须使用 -trimpath -ldflags="-s -w -H windowsgui"-s 去符号表、-w 去调试信息、-H windowsgui 隐藏控制台。跨平台命令写法见 references/gostager.md

主流程

Step 0: 环境检查

  • 检测 Python(bash: python3 --version || python --version / CMD: python --version
  • 记录统一命令占位:<python命令>
  • 检测 Go、依赖与 Windows 路径约束

Step 1: 确认输入参数

  • .bin 路径、输出目录(默认 result/)、可选模块与 SGN 开关
  • 体积分诊:<python命令> -c "import os;print(os.path.getsize('<file>'))" 获取文件体积,按阈值分流。分诊表见 references/troubleshooting.md
  • 用户可通过 --mode gostager--mode createthread 显式指定,跳过体积判断。

Read the full file on GitHub · 77 lines

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. 8d ago First seen · 77 lines · 103 tokens per session scan A 1d8ae6379676

Subscribe to this mod's changes

packer is a skill published in the GitHub repository SeaOf0/dsh-redteam-model (293 stars, last pushed 3d ago), licensed MIT. It adds 103 tokens to every session and 1,343 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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