gistfile1.java

package zRsbotDumper;

import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.util.HashMap;
import java.util.jar.JarFile;

public class CustomURLClassLoader extends ClassLoader {

	/**
	 * 
	 * Author : MalikDz
	 * 
	 */

	private JarFile jar;
	public static final HashMap<String, byte[]> MAP = new HashMap<String, byte[]>();

	/**
	 * 
	 * Creates our custom class loader
	 * 
	 */

	public CustomURLClassLoader(JarFile jar) {

		this.jar = jar;
	}

	/**
	 * 
	 * Override the load method in the class loader class
	 * 
	 */

	@Override
	@SuppressWarnings("unused")
	public Class<?> loadClass(String name) {

		Class<?> clazz = null;

		try {

			int bit;
			final String n = name.replace(".", "/") + ".class";
			final InputStream stream = jar.getInputStream(jar.getJarEntry(n));
			final ByteArrayOutputStream bytesObj = new ByteArrayOutputStream();

			while ((bit = stream.read()) != -1) {

				bytesObj.write(bit);
				System.out.println(bit);
			}

			byte[] bytes = bytesObj.toByteArray();
			clazz = super.defineClass(bytes, 0, bytes.length);
			MAP.put(n, bytes);

		} catch (Exception e) {
		}
		return null;
	}
}