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README.md

Dobby

Dobby a lightweight, multi-platform, multi-architecture exploit hook framework.

  • Minimal and modular library
  • Multi-platform support(Windows/macOS/iOS/Android/Linux)
  • Multiple architecture support(X86-64, ARM, ARM64)
  • Clean code without STL(port to kernel easily)
  • Plugin support(DobbyDrill ?)
  • iOS kernel exploit support(Gollum ?)

Getting started

git clone https://github.com/jmpews/Dobby.git --depth=1
cd Dobby/example/
mkdir build; cd build; cmake ..
void *posix_spawn_ptr = __builtin_ptrauth_strip((void *)posix_spawn, ptrauth_key_asia);
void *fake_posix_spawn_ptr = __builtin_ptrauth_strip((void *)fake_posix_spawn, ptrauth_key_asia);
DobbyHook((void *)posix_spawn_ptr, (void *)fake_posix_spawn_ptr, (void **)&orig_posix_spawn);
*(void **)&orig_posix_spawn = (void *)ptrauth_sign_unauthenticated((void *)orig_posix_spawn, ptrauth_key_asia, 0);

Documentation

full Installation documentation site

Credits

  1. frida-gum
  2. minhook
  3. substrate.
  4. v8
  5. dart
  6. vixl
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