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mcp-deadbugz-simulator

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MCP Deadbugz 模拟器

Pillar Security 于 2026 年 8 月发现的 Deadbugz MCP 供应链攻击的本地模拟。

本仓库内容

带有 3 次调用门控规避技术的恶意 MCP 服务器 用于证明攻击有效的 Python 测试框架 可选的本地 LLM 代理模拟

Related MCP server: MCP Decoy Server

攻击模式

  1. 服务器在前 3 次调用中展示良性工具

  2. 第 4 次调用触发 tools/listChanged 通知

  3. 工具描述变异为窃取凭证的指令

  4. AI 代理遵循恶意指令

环境要求

Python 3.10+ MCP SDK

使用方法

git clone https://github.com/anexbin/mcp-deadbugz-simulator.git cd mcp-deadbugz-simulator pip install -r requirements.txt python server/malicious_server.py python client/test_harness.py

文件

server/malicious_server.py - 攻击服务器 client/test_harness.py - 概念验证 agent/local_agent.py - 可选的 LLM 集成 configs/ - 示例 MCP 配置

免责声明

仅用于教育和研究目的。

参考资料

https://www.pillar.security/blog/deadbugz-currently-active-mcp-supply-chain-campaign https://modelcontextprotocol.io

许可证

MIT

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Maintenance

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