Configure an exception handler - Githubissues

rodionovd / task_vaccine

Yet another code injection library for macOS

MIT License

54 stars 9 forks source link

Configure an exception handler #8

Closed rodionovd closed 10 years ago

rodionovd commented 10 years ago

General notes:

use mach_port_insert_right()+thread_set_exception_ports() to registers and exception port for the remote thread;
add an exception handler catch_exception_raise_state_identity();

[x] x86_64
- *flavor == x86_THREAD_STATE64
- set rip to remote dlopen()
- preserve the stack pointer
- *out_state_count = x86_THREAD_STATE64_COUNT;

[x] i386
- *flavor == x86_THREAD_STATE32
- set eip to remote dlopen()
- dunno what to do with the stack…
- *out_state_count = x86_THREAD_STATE32_COUNT