dylib injector for mach-o binaries
1. First of all, using iOSOpenDev template to create a project which called hook, and write the hook code, then build it to a hook.dylib
2. Second of all, using command command + B to build yololib as an executable binary file, and in the terminal , input the following command
./yololib yourAppName.app/yourAppName hook.dylib
The output message in the Terminal as below:
2017-05-28 13:13:22.001 yololib[1079:122842] dylib path @executable_path/hook.dylib 2017-05-28 13:13:22.002 yololib[1079:122842] dylib path @executable_path/hook.dylib Reading binary: com.tencent.xin-iOS7.0-(Clutch-2.0.4)/Payload/WeChat.app/WeChat 2017-05-28 13:13:22.003 yololib[1079:122842] FAT binary! 2017-05-28 13:13:22.003 yololib[1079:122842] Injecting to arch 9 2017-05-28 13:13:22.003 yololib[1079:122842] Patching mach_header.. 2017-05-28 13:13:22.003 yololib[1079:122842] Attaching dylib.. 2017-05-28 13:13:22.003 yololib[1079:122842] Injecting to arch 0 2017-05-28 13:13:22.003 yololib[1079:122842] 64bit arch wow 2017-05-28 13:13:22.003 yololib[1079:122842] dylib size wow 56 2017-05-28 13:13:22.003 yololib[1079:122842] mach.ncmds 77 2017-05-28 13:13:22.003 yololib[1079:122842] mach.ncmds 78 2017-05-28 13:13:22.003 yololib[1079:122842] Patching mach_header.. 2017-05-28 13:13:22.004 yololib[1079:122842] Attaching dylib.. 2017-05-28 13:13:22.004 yololib[1079:122842] size 51 2017-05-28 13:13:22.004 yololib[1079:122842] complete!