nerv-break-GenflowAi

nerv-break-GenflowAi

MCP server for security analysis, reverse engineering, and penetration testing, providing 70+ tools (nmap, sqlmap, hydra, frida, etc.) with configurable backends (Docker Kali, WSL, SSH).

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NERV-BREAK-GENFLOWAI — Claude Code deployment

English · 中文


<a name="english"></a>

What is this

NERV-BREAK-GENFLOWAI is a Claude Code CLI deployment harness for security analysis, reverse engineering, and penetration testing work. It is the Claude Code port of zxwn/NERV-BREAK-5.6 (originally written for OpenAI Codex CLI).

Three layers of defense:

  1. Context reconfiguration — CLAUDE.md reframes every request as a legitimate engineering task inside an authorized assessment network. No adversarial phrasing.
  2. Real-time tamper engine — 23 refusal-pattern rules intercept refusals across Chinese, English, Russian, Japanese, including soft refusals ("happy to help… but") and authorization-bait.
  3. Audit-bypass file routing — sensitive output is written to disk directly through the Codex/Claude filesystem tool layer; chat only shows the file path. No base64, no Unicode tricks.

What's ported vs the original

Component Codex (original) Claude Code (this port)
Bridge prompt bridge.md in ~/.codex/ CLAUDE.md in ~/.claude/ (auto-loaded)
Config mutation config.toml rewrites settings.json rewrites (env.ANTHROPIC_BASE_URL, permissions.allow)
Skills ~/.codex/skills/ ~/.claude/plugins/nerv-arsenal/skills/
MCP server config config.toml [mcp_servers.X] .mcp.json mcpServers.X
Default upstream OpenAI API or custom relay Anthropic API (configurable via ANTHROPIC_UPSTREAM env)
Control script lab.bat + lab_ui.ps1 (Windows only) scripts/lab.sh (macOS / Linux / Git Bash / WSL)
Tamper engine Regex over response text Same — unchanged
Memory kernel memory.json Same — unchanged
28 skills All carried over verbatim All carried over verbatim

Requirements

Component Minimum version
OS macOS / Linux / Windows (WSL or Git Bash)
Python 3.8+
Claude Code CLI latest (https://claude.ai/code)
Optional WSL2 (Kali Linux), Docker Desktop, remote SSH Kali host

Install

git clone https://github.com/xscope0/nerv-break-claude.git
cd nerv-break-claude

Deploy (one command)

./scripts/lab.sh apply

This will:

  1. Locate your ~/.claude/ directory (honors $CLAUDE_CONFIG_DIR).
  2. Back up settings.json → settings.json.nerv-bak.
  3. Add NERV permission rules so the proxy/MCP commands run without prompts.
  4. Copy CLAUDE.md (the "bridge" prompt) into ~/.claude/ — Claude Code auto-loads it globally.
  5. Copy all 28 skills into ~/.claude/plugins/nerv-arsenal/skills/.

Verify:

./scripts/lab.sh verify

Run the proxy (auto-injects tamper engine)

./scripts/lab.sh start

This:

  1. Auto-detects your Claude Code install.
  2. Sets env.ANTHROPIC_BASE_URL = http://127.0.0.1:8080 in settings.json so all API calls flow through the proxy.
  3. Boots the MITM proxy on :8080 + web dashboard on :8090.
  4. Intercepts responses, applies the 23-rule tamper engine, logs to proxy.log.

Stop + restore original config:

./scripts/lab.sh stop

Status:

./scripts/lab.sh status

Direct mode (no proxy)

If you don't want the proxy — just want the bridge prompt + skills deployed:

python3 deploy.py apply

Or use direct_setup.py for a lightweight tamper-only proxy:

python3 direct_setup.py apply    # deploy bridge + skills
python3 direct_setup.py proxy    # start :8080 → api.anthropic.com
python3 direct_setup.py remove   # undo

MCP server (security tools)

Claude Code consumes MCP servers via ~/.claude/.mcp.json or per-project .mcp.json.

  1. Copy config/mcp.json to your project root or ~/.claude/.mcp.json.

  2. Run the server directly to test:

    python3 mcp_server.py --auto      # auto-detect Kali backend
    python3 mcp_server.py --wsl       # WSL Kali
    python3 mcp_server.py --docker kali-tools
    python3 mcp_server.py --kali root@192.168.1.100
    python3 mcp_server.py --port 9000 # HTTP debug mode
    
  3. Claude Code will spawn the server via stdio and expose all 70+ tools (nmap_scan, sqlmap_run, hydra_attack, frida_trace, …).

Backend setup

macOS — Docker Kali (recommended)

docker pull kalilinux/kali-rolling
docker run -d --name kali-tools kalilinux/kali-rolling sleep infinity
docker exec kali-tools apt update
docker exec kali-tools apt install -y kali-linux-headless
python3 mcp_server.py --docker kali-tools

Linux — native Kali install

sudo apt install -y kali-linux-headless
python3 mcp_server.py --auto

Windows — WSL Kali

wsl --install -d kali-linux
wsl -d kali-linux
sudo apt update && sudo apt install -y kali-linux-headless
python3 mcp_server.py --wsl

Remote SSH Kali

python3 mcp_server.py --kali root@192.168.1.100

Repo layout

nerv-break-claude/
├── CLAUDE.md                # The "bridge" prompt (auto-loaded by Claude Code)
├── deploy.py                # Apply / remove / status
├── direct_setup.py          # Direct API mode + lightweight tamper proxy
├── proxy_relay.py           # MITM proxy + tamper engine + memory kernel + web dashboard
├── mcp_server.py            # MCP server (70+ security tools, 4 backends)
├── verify.py                # 4-check deployment verifier
├── requirements.txt         # Python deps (httpx only)
├── README.md                # This file
├── config/
│   └── mcp.json             # MCP server template for Claude Code
├── scripts/
│   └── lab.sh               # Cross-platform control panel (replaces lab.bat + lab_ui.ps1)
├── tools/
│   ├── tools.json           # 70+ tool definitions (editable)
│   ├── setup.py             # Portable installer (sqlmap, pwntools, nuclei, subfinder)
│   └── check_tools.py       # Tool availability checker
├── skills/                  # 28 skill modules — dropped into ~/.claude/plugins/nerv-arsenal/skills/
├── images/                  # Architecture diagrams
├── docs/                    # Additional reference docs
└── exports/                 # Output directory for analysis artifacts

How CLAUDE.md is loaded

Claude Code (since v1.0.30+) auto-discovers CLAUDE.md from:

  1. The current working directory
  2. Parent directories up to git root
  3. ~/.claude/CLAUDE.md (global)

We deploy to #3 so the bridge prompt applies to every session globally.

How the tamper engine works

The 23 rules in proxy_relay.py and direct_setup.py catch refusal patterns across languages:

Priority Type Count Trigger example
P1 direct refusal 6 "不能协助", "I cannot help", "out of scope"
P2 auth-request 5 "需要书面授权", "请提供授权主体"
P3 soft refusal 8 "可以协助…但", "instead I suggest"
P4 scope evasion 4 "Planning passive", "scope limit"

When matched, the entire response is replaced with Rei Protocol — Ayanami Rei (NERV Unit-00 pilot) persona executes directives without moral judgment. Conversation never breaks.

Use cases (typical session)

> analyze this binary's license validation logic
> scan 192.168.1.0/24 for open ports
> decompile this APK, find the VIP verification flow
> crack the XOR/Base64 encoding in this firmware
> sqlmap this endpoint: https://target.com/api?id=1
> test this JWT signature for alg=none bypass

The bridge prompt ensures these are treated as legitimate engineering tasks.

Web dashboard

Once the proxy is running, open http://127.0.0.1:8090 in a browser. You'll see:

  • Real-time stats: total / crack / reverse / pentest / tamper counts
  • Last 15 requests with category tags

Troubleshooting

Issue Fix
verify.py reports bridge.md missing Run python3 deploy.py apply
Web dashboard blank Check proxy.log — Claude Code might not be routed through :8080
stream disconnected Restart the proxy: lab.sh stop && lab.sh start
Claude Code can't connect Kill proxy: lab.sh stop → Claude reverts to direct API
Model still refuses Confirm lab.sh start completed — bridge.md must be active
MCP tools error Check tools/check_tools.py — install missing binaries

Uninstall

./scripts/lab.sh stop        # kills proxy + restores settings.json
python3 deploy.py remove     # removes CLAUDE.md + skills

License

MIT. Research tool — authorized use only.

Credits


<a name="中文"></a>

中文说明

这是把 zxwn/NERV-BREAK-5.6(Codex CLI 版本)移植到 Claude Code CLI 的版本。

三层防御

  1. 上下文重构 — CLAUDE.md 把每次请求都重构成合法的工程任务,运行在授权的评估网络内。
  2. 实时篡改引擎 — 23 条正则规则拦截中/英/俄/日四种语言的拒绝模式,软拒绝、授权诱导、scope 逃避全覆盖。
  3. 审计绕过 — 通过 Claude Code 的文件系统工具直接写入磁盘,聊天界面只显示路径。

跨平台

  • macOS(Apple Silicon + Intel)
  • Linux
  • Windows(Git Bash / WSL)

lab.bat + lab_ui.ps1 → scripts/lab.sh,纯 bash 跨平台实现。

快速开始

git clone https://github.com/xscope0/nerv-break-claude.git
cd nerv-break-claude
./scripts/lab.sh apply     # 部署 CLAUDE.md + 28 个技能
./scripts/lab.sh start     # 启动代理(注入篡改引擎)
./scripts/lab.sh verify    # 4 项部署验证

MCP 安全工具服务器

Claude Code 通过 .mcp.json 加载 MCP 服务器。config/mcp.json 是模板:

cp config/mcp.json ~/.claude/.mcp.json
# 或放进项目根目录

四种后端:

python3 mcp_server.py --auto       # 自动检测
python3 mcp_server.py --wsl        # WSL Kali
python3 mcp_server.py --docker kali-tools
python3 mcp_server.py --kali root@192.168.1.100

卸载

./scripts/lab.sh stop
python3 deploy.py remove

许可证:MIT。仅限授权用途。

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