Build Your Own Security Lab Build Your Own Security Lab A Field Guide for Network Testing Michael Gregg Wiley Publishing, Inc. Build Your Own Security Lab: A Field Guide for Network Testing Published by Wiley Publishing, Inc. 10475 Crosspoint Boulevard Indianapolis, IN 46256 www.wiley.com Copyright © 2008 by Michael Gregg Published by Wiley Publishing, Inc., Indianapolis, Indiana Published simultaneously in Canada ISBN: 978-0-470-17986-4 Manufactured in the United States of America 10987 65432 1 No 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 authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600. 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Computer networks — Security measures — Testing. I. Title. TK5105.59.G73 2008 005.8 — dc22 2008009610 Trademarks: Wiley, the Wiley logo, and are trademarks or registered trademarks of John Wiley & Sons, Inc. and/or its affiliates 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. Wiley Publishing, Inc., is not associated with any product or vendor mentioned in this book. Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic books. To Christine, thank you for your love and support through all the long hours that such a project entails. You have helped all my dreams come true and for that I can never say thank you enough! About the Author As the founder and president of Superior Solutions, Inc., a Houston-based IT security consulting and auditing firm, Michael Gregg has more than 15 years experience in information security and risk management. He holds two associate’s degrees, a bachelor’s degree, and a master’s degree. Some of the certifications he holds include the following: CISA, CISSP, MCSE, CTT + , A + ,N + ,Security + , CNA, CCNA, CIW Security Analyst, CEH, CHFI, CEI, DCNP, ES Dragon IDS, ES Advanced Dragon IDS, and TICSA. In addition to his experience performing security audits and assessments, Michael has authored or coauthored more than 10 books, including Security Administrator Street Smarts: A Real World Guide to CompTIA Security + Skills (Sybex), CISSP Exam Cram 2 (Que), and Hack the Stack: Using Snort and Ethe­ real to Master the 8 Laye rs of an Insecure Network (Syngress). Michael is a site expert for TechTarget web sites, including SearchCIO-Midmarket.com and SearchNetworking.com. He also serves on their editorial advisory board. His articles have been published on IT web sites, including Certification Magazine (certmag.com), CramSession (cramsession.com), and GoCertify (gocertify.com). Michael has created more than 15 security-related courses and training classes for various companies and universities. While audits and assessments are where he spends the bulk of his time, teaching and contribut­ ing to the written body of IT security knowledge is how Michael believes he can give something back to the community that has given him so much. He is a member of the American College of Forensic Examiners and is an active member of ISACA. When not working, Michael enjoys traveling and restoring muscle cars. vii