www.it-ebooks

1 11:7:25:AM 01/21/2014 Page 11:7:25:AM 01/21/2014 Page iPractical Reverse 11:7:25:AM 01/21/2014 Page 11:7:25:AM 01/21/2014 Page iiiBruce DangAlexandre GazetElias Bachaalanywith contributions from S bastien JossePractical Reverse Engineeringx86, x64, ARM, Windows Kernel, Reversing Tools, and 11:7:25:AM 01/21/2014 Page ivPractical Reverse Engineering: x86, x64, ARM, Windows Kernel, Reversing Tools, and ObfuscationPublished byJohn Wiley & Sons, Crosspoint BoulevardIndianapolis, IN 2014 by Bruce DangPublished by John Wiley & Sons, Inc.

2 , Indianapolis, IndianaPublished simultaneously in CanadaISBN: 978-1-118-78731-1 ISBN: 978-1-118-78725-0 (ebk)ISBN: 978-1-118-78739-7 (ebk)Manufactured in the United States of America10 9 8 7 6 5 4 3 2 1No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or autho-rization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive.

3 Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600. Requests to the Publisher for permission should be addressed to the Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030, (201) 748-6011, fax (201) 748-6008, or online at of Liability/Disclaimer of Warranty: The publisher and the author make no representations or warranties with respect to the accuracy or completeness of the contents of this work and specifi cally disclaim all warranties, including without limitation warranties of fi tness for a particular purpose.

4 No warranty may be created or extended by sales or promotional materials. The advice and strategies contained herein may not be suitable for every situation. This work is sold with the understanding that the publisher is not engaged in rendering legal, accounting, or other professional services. If professional assistance is required, the services of a competent professional person should be sought. Neither the publisher nor the author shall be liable for damages arising herefrom. The fact that an organization or Web site is referred to in this work as a citation and/or a potential source of further information does not mean that the author or the publisher endorses the information the organization or website may provide or recommendations it may make.

5 Further, readers should be aware that Internet websites listed in this work may have changed or disap-peared between when this work was written and when it is general information on our other products and services please contact our Customer Care Department within the United States at (877) 762-2974, outside the United States at (317) 572-3993 or fax (317) publishes in a variety of print and electronic formats and by print-on-demand. Some material included with standard print versions of this book may not be included in e-books or in print-on-demand.

6 If this book refers to media such as a CD or DVD that is not included in the version you purchased, you may download this material at For more information about Wiley products, visit of Congress Control Number: 2013954099 Trademarks: Wiley and the Wiley logo are trademarks or registered trademarks of John Wiley & Sons, Inc. and/or its affi liates, in the United States and other countries, and may not be used without written permission. All other trademarks are the property of their respective owners. John Wiley & Sons, Inc.

7 Is not associated with any product or vendor mentioned in this 11:7:25:AM 01/21/2014 Page vThis book is dedicated to those who relentlessly pursue knowledge and selflessly share it with 11:7:25:AM 01/21/2014 Page 11:7:25:AM 01/21/2014 Page viiBruce Dang is a senior security development engineering lead at Microsoft working on security technologies in unreleased Microsoft products. Previously, he worked on security vulnerabilities reported to Microsoft and was the fi rst to publicly share analytical techniques for targeted attacks with Offi ce docu-ments.

8 He and his team analyzed the famous Stuxnet malware, which suppos-edly attacked the Iranian uranium enrichment process. He has spoken at RSA, BlackHat Vegas, BlackHat Tokyo, Chaos Computer Club, REcon, and many other industry Gazet is a security researcher at Quarkslab. His interests focus on reverse engineering, software protections, and vulnerability research. Alexandre has presented at several conferences, including HITB Kuala Lumpur (2009) and REcon Montreal (2010 and 2011).Elias Bachaalany has been a computer programmer, reverse engineer, freelance technical writer, and an occasional reverse engineering trainer for the past 14 years.

9 Over his long career, Elias has worked with various technologies, includ-ing writing scripts, doing extensive web development, working with database design and programming, writing device drivers and low-level code such as boot loaders or minimal operating systems, writing managed code, assessing software protections, and writing reverse engineering and desktop security tools. Elias has also presented twice at REcon Montreal (2012 and 2013).While working for Hex-Rays SA in Belgium, Elias helped to improve and add new features to IDA Pro.

10 During that period, he authored various technical blog posts, provided IDA Pro training, developed various debugger plugins, amped up IDA Pro s scripting facilities, and contributed to the IDAP ython project since version and onwards. Elias currently works at Microsoft with a talented team of software security the 11:7:25:AM 01/21/2014 Page viiiviii About the AuthorsS bastien Josse is a security researcher at the French Ministry of Defense (Direction G n rale de l Armement). He has more than ten years of experience as an instructor, researcher, and consultant in the fi eld of information systems security, in both the civilian and defense sectors.