网络包截获与修改，拦截网卡数据包，对包进行修改，然后发送。,Network packet intercepted and modified to intercept packets card on the package be modified, and then send.

截获流经本机网卡数据包,VC++6.0源代码，编译完全通过-Intercepted data packets flowing through the local NIC, VC++6.0 source code, compiled entirely by