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client-reverse

客户端逆向与Burp重放 — 复杂客户端签名恢复、加密还原、请求链追踪、稳定重放,适用于已授权安卓App渗透测试、浏览器JS签名、桌面客户端逆向

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See how to install

Files included (21)

  • SKILL.md3.3 KB
  • references/02-client-api-reverse-and-burp.md10.8 KB
  • references/android-authorized-app-pentest-sop.md5.4 KB
  • references/android-dynamic-hooking-and-replay.md2.2 KB
  • references/android-external-url-runtime-first-workflow.md8.7 KB
  • references/android-native-signature-analysis.md1.1 KB
  • references/android-network-layer-testing-quick-reference.md5.0 KB
  • references/android-signature-reverse-template.md2.1 KB
  • references/android-signing-and-crypto-workflow.md7.4 KB
  • references/android-static-triage-and-callflow.md1.5 KB
  • references/android-ui-driven-observation-and-packet-loop.md9.1 KB
  • references/browser-js-signing-workflow.md5.3 KB
  • references/browser-locate-and-request-chain.md2.0 KB
  • references/browser-recover-and-shell-reduction.md1.5 KB
  • references/browser-request-chain-template.md2.0 KB
  • references/browser-runtime-fit-and-risk.md1.6 KB
  • references/browser-validation-and-handoff.md1.1 KB
  • references/client-reverse-workflow.md1.5 KB
  • references/MCP.md61.0 KB
  • references/reporting-and-evidence.md1.2 KB
  • references/tool-selection-map.md1.2 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

客户端逆向与 Burp 重放 Skill

当请求由客户端(安卓App、浏览器JS、桌面客户端)构造,且存在签名、加密、token状态、设备绑定或反自动化逻辑导致 Burp 无法直接重放时,使用本 Skill。

核心原则

Packet-First:先捕获并分析真实的 HTTP/HTTPS 请求或 WebSocket 流量,确认可用性,再按需逆向阻塞点。逆向是阻塞解决步骤,不是默认入口。

场景路由

已授权安卓 App 渗透测试

不要先用 jadx、ida_pro_mcp 分析 APK,按以下顺序操作:

  1. 确认目标 App 已安装在连接设备上
  2. 准备好 Burp 或 Charles 抓包
  3. 用 scrcpy_vision 打开 App,驱动真实业务流程
  4. 每个关键动作后检查 Burp/Charles 是否出现 HTTP/HTTPS 或 WebSocket 数据包
  5. 如果包可见且可重放 → 立即进入 web-security-advanced 做 Web/API 安全测试
  6. 重复"界面动作 → 抓包 → Web 安全分析"循环
  7. 只有抓不到包/包被加密/无法重放时 → 升级到 jadx → frida_mcp → ida_pro_mcp

MCP 工具链:scrcpy_vision → burp/charles → adb_mcp → jadx → frida_mcp → ida_pro_mcp

浏览器 JS 签名、反爬、WebSocket 握手

  1. chrome_devtools 查看页面状态和请求链
  2. js_reverse 定位 token/sign 生成逻辑
  3. burp 验证重放并确定可变字段

阶段模型:locate → recover → runtime → validation → replay

MCP 工具链:chrome_devtools → js_reverse → burp

桌面客户端 / 本地 signer

  1. everything_search 定位相关文件
  2. ida_pro_mcp 静态分析签名函数
  3. frida_mcp 获取运行时参数
  4. burp 验证稳定重放

MCP 工具链:everything_search → ida_pro_mcp → frida_mcp → burp

重放就绪检查清单

在进入 Payload 测试前,必须能回答:

  • 请求体如何构造?
  • 签名/加密输入来自哪里?
  • 哪些 cookie、header、token、设备值、时间戳、nonce 是必须的?
  • 请求是否依赖顺序或会话状态?
  • 哪些字段改动后不会破坏重放?

证据保留

  • builder/signer/crypto 代码位置
  • 关键 hook 点和运行时观察值
  • 可用的 replay 请求样本
  • 前置条件、失败模式和反自动化行为说明

参考文档

  • references/02-client-api-reverse-and-burp.md — 客户端逆向到 Burp 重放总工作流
  • references/android-authorized-app-pentest-sop.md — 安卓 App 渗透 SOP
  • references/browser-js-signing-workflow.md — 浏览器 JS 签名工作流
  • references/android-signing-and-crypto-workflow.md — 安卓签名与加密工作流
  • references/android-ui-driven-observation-and-packet-loop.md — 安卓 UI 驱动观察循环
  • references/android-external-url-runtime-first-workflow.md — 安卓外部 URL 测试
  • references/android-network-layer-testing-quick-reference.md — 安卓网络层测试速查
  • references/MCP.md — MCP 能力总文档
  • references/tool-selection-map.md — 工具选型地图

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