砸壳

http://www.swiftyper.com/2016/12/26/wechat-redenvelop-tweak-for-non-jailbroken-iphone/

https://github.com/KJCracks/Clutch  砸壳工具

移动App入侵与逆向破解技术－iOS篇

https://mp.weixin.qq.com/s?__biz=MzA3NTYzODYzMg==&mid=2653577384&idx=1&sn=b44a9c9651bf09c5bea7e0337031c53c&scene=0#wechat_redirect

http://stevenygard.com/projects/class-dump/  class-dump调去头文件的软件