用C/C++实现代码的动态修改（SMC）
所谓SMC（Self Modifying Code）技术,就是一种将可执行文件中的代码或数据进行加密，防止别人使用逆向工程工具（比如一些常见的反汇编工具）对程序进行静态分析的方法，只有程序运行时才对代码和数据进行解密，从而正常运行程序和访问数据。计算机病毒通常也会采用SMC技术动态修改内存中的可执行代码来达到变形或对代码加密的目的，从而躲过杀毒软件的查杀或者迷惑反病毒工作者对代码进行分析。由于该技术需要直接读写对内存中的机器码，所以多采用汇编语言实现，这使得很多想在自己的程序中使用SMC技术进行软件加密的C/C++程序员望而却步。针对这种现状，本文提出了几种基于C/C++语言的机器指令定位方法，从而用C/C++语言实现了动态代码修改技术。
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本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二条之规定，若资源存在侵权或相关问题请联系本站客服人员，zhiweidada#qq.com，请把#换成@，本站将给予最大的支持与配合，做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明