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macos-reverse

Analyze authorized macOS applications and Mach-O binaries, the executable format used on macOS. Examine signatures, dependencies, Objective-C and Swift symbols, and runtime behavior to produce findings tied to specific addresses or symbols.

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原文查看原文说明

Use for authorized macOS and Mach-O reverse engineering including codesign, Objective-C/Swift recovery, endpoint security surfaces, and Apple platform malware analysis.

查看安装方法

适用场景

  • Examining macOS application signatures and dependencies
  • Investigating Objective-C and Swift program structure
  • Tracing application behavior with lldb or Frida
  • Analyzing macOS malware samples

包含的文件(2)

  • SKILL.md1.8 KB
  • references/macho-triage.md213 B

SKILL.md(原文)

安装前可以查看交给 AI 代理的指令内容。

macOS / Mach-O Reverse Engineering

ACTION REQUIRED(读完后立刻执行)

  1. NOW: 读取 ../field-journal/precedent-reverse.md
  2. NOW: 确认目标为 macOS/Mach-O/App bundle(iOS IPA → mobile-reverse/)
  3. NEXT: tool-index;jtool2/lldb 等
  4. ACT: 签名与装载信息 → 静态 → 动态(lldb/Frida)

适用场景

  • Mach-O 可执行文件 / dylib / framework
  • .app bundle、LaunchAgent/Daemon
  • Objective-C / Swift 符号与 runtime
  • 公证/签名、Hardened Runtime、TCC 相关行为分析
  • macOS 恶意软件静态/动态分析(联合 malware-analysis)

工作流

1. 包体与签名

file target
codesign -dv --verbose=4 target
spctl -a -vv target 2>&1
otool -L target

2. 静态

□ class-dump / swift-demangle / Hopper / Ghidra / IDA
□ 字符串与 XPC 服务名、TCC 敏感 API
□ LC_LOAD_dylib 依赖与 rpath

3. 动态

□ lldb / Frida
□ fs_usage / log stream 观察
□ 网络:联合 protocol-reverse 或代理

工具链

工具用途
otool / nm / codesign系统自带
Hopper / Ghidra / IDA反编译
class-dump / dsdumpObjC
Frida / lldb动态
jtool2Mach-O

参考

  • references/macho-triage.md
  • ../mobile-reverse/(iOS) ../ghidra-reverse/ ../malware-analysis/

路由上下文

上游: MASTER R31
下游: iOS → mobile-reverse;通用样本 → malware-analysis

任务完成自检

  • 是否记录签名/Hardened Runtime 状态?
  • 是否有地址级/符号级结论?
  • Checklist?

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