Apple开发、调试工具下载链接  https://developer.apple.com/downloads/index.action 

逆向工具下载  http://pan.baidu.com/s/1nt3BKyX

iOS运行时工具-cycript http://blog.csdn.net/sakulafly/article/details/29633627

DEMO

http://bbs.iosre.com/forum.php?mod=viewthread&tid=123

http://bbs.iosre.com/forum.php?mod=viewthread&tid=170&extra=page%3D1

http://bbs.iosre.com/forum.php?mod=viewthread&tid=122&extra=page%3D1