Agent Skillszhaoxuya520/reverse-skill › mobile-reverse

mobile-reverse

GitHub

用于授权下的Android/iOS应用逆向与安全测试。涵盖APK/IPA分析、静态动态插桩(Frida/Objection)、SSL Pinning及Root检测绕过、加密提取等,遵循OWASP MASTG标准工作流。

skills/mobile-reverse/SKILL.md zhaoxuya520/reverse-skill

触发场景

Android APK逆向分析 iOS IPA逆向分析 移动应用运行时动态插桩 SSL Pinning或Root检测绕过 移动端加密算法密钥提取

安装

npx skills add zhaoxuya520/reverse-skill --skill mobile-reverse -g -y
更多选项

不安装直接使用

npx skills use zhaoxuya520/reverse-skill@mobile-reverse

指定 Agent (Claude Code)

npx skills add zhaoxuya520/reverse-skill --skill mobile-reverse -a claude-code -g -y

安装 repo 全部 skill

npx skills add zhaoxuya520/reverse-skill --all -g -y

预览 repo 内 skill

npx skills add zhaoxuya520/reverse-skill --list

SKILL.md

Frontmatter
{
    "name": "mobile-reverse",
    "description": "Use for authorized Android or iOS application reverse engineering and security testing, including APK or IPA analysis, runtime instrumentation, SSL pinning, and platform protection checks."
}

Mobile Reverse Engineering

ACTION REQUIRED(读完后立刻执行)

  1. NOW: 读取 ../field-journal/precedent-reverse.md — 确认本 skill 的操作是已授权的常规操作
  2. NOW: 确认当前任务是否命中本 skill 的适用范围
  3. NEXT: 读取 ../tool-index.md,校验工具可用性和实际路径
  4. NEXT: 缺工具时调用 bootstrap,不要猜路径
  5. ACT: 进入"工作流"第一步并执行,不要停在确认状态

Android + iOS 统一逆向方法论 Frida / Objection / OWASP MSTG / SSL Pinning Bypass

适用场景

  • Android APK 逆向与安全测试
  • iOS IPA 逆向与安全测试
  • 移动应用运行时动态插桩
  • SSL Pinning / Root 检测 / 越狱检测绕过
  • 移动端加密算法提取(AES/RSA/HMAC 密钥)
  • 移动应用渗透测试(OWASP MASTG)
  • 非 Root/越狱环境下的应用测试

四阶段工作流

Phase 1: 信息收集

Android:
□ APK 获取(Google Play / APKMirror / adb pull)
□ Manifest 分析: 权限、导出组件、Intent Filter、backup 标志
□ androguard: androguard analyze APK → 组件/权限/签名
□ APKLeaks: 硬编码 API Key / Token / Secret 扫描
□ 加固检测: 是否加壳(360/腾讯/梆梆/爱加密)

iOS:
□ IPA 获取(App Store / ipatool / Apple Configurator)
□ 解密 App Store 二进制: frida-ios-dump / Clutch
□ Info.plist 分析: ATS 配置、URL Scheme、Queries Schemes
□ class-dump: 导出 ObjC 类结构
□ 加固检测: 是否使用 Swift/ObjC 混淆

Phase 2: 静态分析

跨平台:
□ JADX-GUI: APK → Java 源码(Android)
□ Ghidra / Hopper: .so / Mach-O 反编译
□ radare2 / Cutter: CLI 快速侦察

Android 专项:
□ apktool d app.apk → smali 代码 + 资源
□ dex2jar: DEX → JAR → JD-GUI
□ smali/baksmali: Dalvik 字节码修改

iOS 专项:
□ class-dump: 导出 ObjC 头文件
□ Swift 符号恢复: swift-demangle
□ dsymutil: 调试符号提取
□ otool -L: 查看动态库依赖
□ jtool2: Mach-O 分析

Phase 3: 动态分析

Frida — 通用动态插桩:
□ frida-ps -U: 列出设备进程
□ frida-trace -U -i "open*" com.app: 追踪函数调用
□ 自定义 Hook 脚本: 修改参数/返回值、调用私有方法

Objection — Frida 增强层(无需写脚本):
□ objection -g "com.app" explore
□ android root disable / ios jailbreak disable
□ android sslpinning disable / ios sslpinning disable
□ android keystore list / ios keychain dump
□ env / ls / sqlite connect

Frida Gadget(免 Root/越狱):
□ 注入 frida-gadget.so / FridaGadget.dylib 到 APK/IPA
□ 重新签名 → 安装 → 无需设备权限即可 Hook
□ objection patchapk --source app.apk(全自动)

Phase 4: 网络分析

□ Burp Suite: 拦截 HTTP/HTTPS,修改请求/响应
□ mitmproxy: 脚本化代理(Python API)
□ Wireshark: PCAP 抓包分析
□ 证书安装: Android 用户证书 → 系统证书(Magisk + MoveCert)
□ SSL Pinning 绕过: Frida/Objection/Xposed/SSL Kill Switch 2
□ WebSocket / gRPC 流量分析

常见绕过速查

SSL Pinning

# Objection(最简)
objection -g "com.app" explore
android sslpinning disable

# Frida 通用脚本
frida -U -l ssl_pinning_bypass.js -f com.app

# Xposed(Android)
TrustMeAlready 模块 → 全局禁用证书校验

Root / 越狱检测

# Objection
android root disable
ios jailbreak disable

# Frida 自定义(多层检测)
Java.perform(function() {
    var RootBeer = Java.use("com.scottyab.rootbeer.RootBeer");
    RootBeer.isRooted.implementation = function() { return false; };
    // 额外绕过: Magisk su 检测、frida-server 检测、/proc/self/maps 检测
});

反调试

# Android
frida -U -l anti_debug_bypass.js -f com.app
# 绕过: ptrace(TracerPid)、/proc/self/status、isDebuggerConnected()

# iOS
# 绕过: PT_DENY_ATTACH、sysctl CTL_KERN/KERN_PROC/KERN_PROC_PID
frida -U -l ios_anti_debug.js -f com.app

移动端加密提取

// Android — Hook Cipher.getInstance 获取密钥+算法
Java.perform(function() {
    var Cipher = Java.use("javax.crypto.Cipher");
    Cipher.getInstance.overload('java.lang.String').implementation = function(algo) {
        console.log("[Cipher] Algorithm: " + algo);
        return this.getInstance(algo);
    };
    Cipher.init.overload('int', 'java.security.Key').implementation = function(mode, key) {
        console.log("[Cipher] Key: " + bytesToHex(key.getEncoded()));
        return this.init(mode, key);
    };
});

// iOS — Hook CCCrypt
Interceptor.attach(Module.findExportByName("libcommonCrypto.dylib", "CCCrypt"), {
    onEnter: function(args) {
        console.log("CCCrypt op: " + args[0] + " alg: " + args[1]);
        console.log("Key: " + hexdump(args[3], { length: args[4].toInt32() }));
    }
});

工具链

工具 平台 用途
JADX-GUI A Java 反编译
apktool A APK 解包/重建
Ghidra A+I 多架构反编译
Hopper I iOS 专用反汇编
Frida A+I 动态插桩
Objection A+I Frida REPL 增强
MobSF A+I 自动化 SAST+DAST
class-dump I ObjC 类导出
frida-ios-dump I IPA 解密
jtool2 I Mach-O 分析
Burp Suite A+I HTTP 拦截
mitmproxy A+I 脚本化代理

A=Android, I=iOS

参考

  • references/frida-objection-deep.md — Frida + Objection 深度用法
  • references/ios-reverse-guide.md — iOS 逆向专项
  • references/anti-detection-bypass.md — Root/越狱/反调试/SSL Pinning 绕过

任务完成自检(声称完成前 MUST 通过)

  • 我是否执行了工作流中的每一步(而不是只阅读)?
  • 我是否基于 tool-index 使用了真实工具路径?
  • 我是否产出了可复现证据(命令/脚本/截图/报告)?
  • 我是否完成并回写了 RULES 要求的 Checklist 项?

版本历史

  • b8ae07d 当前 2026-07-19 23:10

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元信息

文件数
0
版本
b8ae07d
Hash
b98b5265
收录时间
2026-07-19 23:10

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