后门编写资料
1.typedef struct WSAData {WORD wVersion;
WORD wHighVersion;
char szDescription;
char szSystemStatus;
unsigned short iMaxSockets;
unsigned short iMaxUdpDg;
char FAR * lpVendorInfo;
} WSADATA, *LPWSADATA;
WSA中包含了Socket的版本等各种信息
2.MAKEWORD函数 https://blog.csdn.net/yeslihao/article/details/8770947
3.int WSAStartup(WORD wVersionRequested,LPWSADATA lpWSAData); WSAStartup函数的信息 初始终化
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