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xvi Hacking For Dummies, 4th Edition Ethical Hacking Complements Audits and Security Evaluations ..........348 Clients and Partners Will Ask, “How Secure Are Your Systems?” .........348 The Law of Averages Works against Businesses .....................................348 Ethical Hacking Improves Understanding of Business Threats ............349 If a Breach Occurs, You Have Something to Fall Back On ......................349 Ethical Hacking Brings Out the Worst in Your Systems .........................349 Ethical Hacking Combines the Best of Penetration Testing and Vulnerability Assessments .....................................................................350 Ethical Hacking Can Uncover Weaknesses That Might Go Overlooked for Years ..............................................................................350 Chapter 21: Ten Deadly Mistakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .351 Not Getting Prior Approval ........................................................................351 Assuming That You Can Find All Vulnerabilities during Your Tests ....351 Assuming That You Can Eliminate All Security Vulnerabilities ............352 Performing Tests Only Once ......................................................................352 Thinking That You Know It All ...................................................................353 Running Your Tests without Looking at Things from a Hacker’s Viewpoint .........................................................353 Not Testing the Right Systems ...................................................................353 Not Using the Right Tools ...........................................................................354 Pounding Production Systems at the Wrong Time .................................354 Outsourcing Testing and Not Staying Involved .......................................354 Appendix: Tools and Resources .................................. 355 Index ....................................................................... 373
Introduction W elcome to Hacking For Dummies, 4th Edition. This book outlines — in plain English — computer hacker tricks and techniques that you can use to assess the security of your information systems, find the security vulnerabilities that matter, and fix the weaknesses before criminal hackers and malicious users take advantage of them. This hacking is the professional, aboveboard, and legal type of security testing — which I call ethical hacking throughout the book. Computer and network security is a complex subject and an ever-moving target. You must stay on top of it to ensure that your information is protected from the bad guys. That’s where the tools and techniques outlined in this book can help. You can implement all the security technologies and other best practices possible, and your information systems might be secure — as far as you know. However, until you understand how malicious attackers think, apply that knowledge, and use the right tools to assess your systems from their point of view, you can’t get a true sense of how secure your information really is. Ethical hacking — which encompasses formal and methodical penetration testing, white hat hacking, and vulnerability testing — is necessary to find security flaws and to help validate that your information systems are truly secure on an ongoing basis. This book provides you with the knowledge to implement an ethical hacking program successfully, perform ethical hacking tests, and put the proper countermeasures in place to keep external hackers and malicious users in check. Who Should Read This Book? Disclaimer: If you choose to use the information in this book to hack or break into computer systems maliciously and without authorization, you’re on your own. Neither I (the author) nor anyone else associated with this book shall be liable or responsible for any unethical or criminal choices that you might make and execute using the methodologies and tools that I describe. This book is intended solely for IT and information security professionals to test information security — either on your own systems or on a client’s systems — in an authorized fashion.
Page 3 and 4: Hacking FOR DUMmIES‰ 4TH EDITION
Page 5 and 6: About the Author Kevin Beaver is an
Page 7 and 8: Mega thanks to Queensrÿche, Rush,
Page 9 and 10: Contents at a Glance Introduction .
Page 11 and 12: Table of Contents Introduction ....
Page 13 and 14: Table of Contents Performing Social
Page 15 and 16: Table of Contents Gathering Informa
Page 17: Table of Contents Part VI: Ethical
Page 21 and 22: Introduction Before you start hacki
Page 23 and 24: Introduction well-known vulnerabili
Page 25 and 26: Part I Building the Foundation for
Page 27 and 28: Chapter 1 Introduction to Ethical H
Page 29 and 30: Chapter 1: Introduction to Ethical
Page 35 and 36: Obeying the Ethical Hacking Command
Page 37 and 38: Formulating your plan Chapter 1: In
Page 43 and 44: Chapter 2 Cracking the Hacker Minds
Page 45 and 46: Malicious attackers often think and
Page 47 and 48: Chapter 2: Cracking the Hacker Mind
Page 53 and 54: In This Chapter Chapter 3 Developin
Page 55 and 56: Chapter 3: Developing Your Ethical
Page 57 and 58: Attack tree analysis is the process
Page 59 and 60: Timing Chapter 3: Developing Your E
Page 65 and 66: In This Chapter Chapter 4 Hacking M
Page 67 and 68: Chapter 4: Hacking Methodology no o
Page 69 and 70:
Chapter 4: Hacking Methodology ✓
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Chapter 4: Hacking Methodology One
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Chapter 4: Hacking Methodology test
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Figure 4-1: Netcraft’s web server
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Chapter 4: Hacking Methodology docu
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Penetrating the System Chapter 4: H
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Part II Putting Ethical Hacking in
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In This Chapter ▶ Discovering soc
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Chapter 5: Social Engineering A cas
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Chapter 5: Social Engineering Socia
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Chapter 5: Social Engineering Regar
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Chapter 5: Social Engineering years
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✓ Threatening reprimands if reque
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Chapter 5: Social Engineering In so
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Chapter 5: Social Engineering reque
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In This Chapter Chapter 6 Physical
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Chapter 6: Physical Security A Q&A
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Chapter 6: Physical Security ✓ Do
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Chapter 6: Physical Security ✓ Do
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Chapter 6: Physical Security cellul
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Chapter 6: Physical Security ✓ Ke
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In This Chapter ▶ Identifying pas
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Chapter 7: Passwords A case study i
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Chapter 7: Passwords The National V
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Chapter 7: Passwords they should’
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Chapter 7: Passwords ✓ John the R
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Chapter 7: Passwords Dictionary att
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Chapter 7: Passwords this password
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Chapter 7: Passwords Cracking UNIX/
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Chapter 7: Passwords The financial
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Chapter 7: Passwords (www.identityf
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Chapter 7: Passwords Weak BIOS pass
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Storing passwords Chapter 7: Passwo
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Chapter 7: Passwords your systems.
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Linux and UNIX Chapter 7: Passwords
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Part III Hacking Network Hosts
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In This Chapter ▶ Selecting tools
Page 143 and 144:
Chapter 8: Network Infrastructure U
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Chapter 8: Network Infrastructure
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Chapter 8: Network Infrastructure I
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Chapter 8: Network Infrastructure 3
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Figure 8-3: NetScan- Tools Pro OS F
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Figure 8-5: Management interface us
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Chapter 8: Network Infrastructure W
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Chapter 8: Network Infrastructure C
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Figure 8-8: Connecting a network an
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Figure 8-9: OmniPeek can help uncov
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Chapter 8: Network Infrastructure N
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Figure 8-12: Selecting your victim
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UNIX-based systems Chapter 8: Netwo
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Chapter 8: Network Infrastructure W
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Chapter 8: Network Infrastructure C
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Figure 8-14: Cisco Global Exploiter
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In This Chapter ▶ Understanding r
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A case study with Joshua Wright on
Page 179 and 180:
Discovering Wireless LANs Figure 9-
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Figure 9-3: NetStumbler displays de
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You undoubtedly have various Blueto
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Chapter 9: Wireless LANs Airodump a
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Figure 9-8: Using Elcomsoft Wireles
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Figure 9-10: The Reaver startup win
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Figure 9-12: NetStumbler showing po
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Figure 9-15: CommView for Wifi show
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Chapter 9: Wireless LANs ✓ If pos
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Figure 9-17: Looking for the MAC ad
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Figure 9-19: Ensure that your SSID
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Chapter 9: Wireless LANs encryption
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In This Chapter Chapter 10 Mobile D
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Chapter 10: Mobile Devices You have
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Figure 10-3: Usernames extracted vi
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Chapter 10: Mobile Devices Power-on
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Figure 10-5: iOS Forensic Toolkit
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Chapter 10: Mobile Devices So, havi
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Part IV Hacking Operating Systems
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In This Chapter ▶ Port scanning W
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Choosing Tools Chapter 11: Windows
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Chapter 11: Windows Windows XP SP2
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Figure 11-2: Gathering detailed vul
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Figure 11-5: Using LanGuard to scan
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Figure 11-6: Mapping a null session
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✓ Local usernames ✓ Drive share
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Figure 11-9: Default local security
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Figure 11-10: Using LanGuard’s sh
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Figure 11-11: Exploitable vulnerabi
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Figure 11-13: Browsing the availabl
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Figure 11-17: Checking final parame
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Figure 11-19: Metasploit Pro’s gr
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Running Authenticated Scans Figure
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In This Chapter ▶ Examining Linux
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Chapter 12: Linux A tool such as Qu
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Figure 12-3: LanGuard revealing use
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Figure 12-6: Using NetScan Tools Pr
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Figure 12-7: Using Nmap to check ap
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Figure 12-9: Viewing the process ID
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Chapter 12: Linux Hacks using the .
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Chapter 12: Linux ✓ Block spoofed
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Chapter 12: Linux Manual testing Th
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Figure 12-11: /etc/inittab showing
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Figure 12-13: Partial output of the
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Part V Hacking Applications
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In This Chapter ▶ Attacking e-mai
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E-mail bombs Chapter 13: Communicat
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Figure 13-1: Limiting the number of
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Figure 13-4: smtpscan gathers versi
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Figure 13-7: Using EmailVerify to v
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Chapter 13: Communication and Messa
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Manual testing Chapter 13: Communic
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Figure 13-11: Critical information
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Figure 13-15: SiVuS discovered seve
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Figure 13-16: Using Cain & Abel to
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In This Chapter Chapter 14 Websites
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Chapter 14: Websites and Applicatio
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Figure 14-1: Using HTTrack to crawl
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Countermeasures against directory t
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Figure 14-2: Using Firefox Web Deve
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Figure 14-3: Using SPI Proxy to fin
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Figure 14-4: WebInspect discovered
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Figure 14-7: Script code reflected
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Page 313 and 314:
Figure 14-9: URL returns an error w
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Figure 14-11: The Brutus tool for t
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Page 319 and 320:
Page 321 and 322:
Figure 14-13: Using CxDeveloper to
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Chapter 15 Databases and Storage Sy
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The Situation Chapter 15: Databases
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Figure 15-2: Using Cain & Abel to c
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Chapter 15: Databases and Storage S
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Figure 15-3: Using FileLocator Pro
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Chapter 15: Databases and Storage S
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Part VI Ethical Hacking Aftermath
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In This Chapter Chapter 16 Reportin
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Chapter 16: Reporting Your Results
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✓ Summary of the vulnerabilities
Page 343 and 344:
In This Chapter Chapter 17 Plugging
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Patch management Chapter 17: Pluggi
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I was once involved in an incident
Page 349 and 350:
Chapter 18 Managing Security Proces
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Chapter 18: Managing Security Proce
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Page 355 and 356:
Page 357 and 358:
Part VII The Part of Tens
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Chapter 19 Ten Tips for Getting Upp
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Chapter 19: Ten Tips for Getting Up
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Chapter 19: Ten Tips for Getting Up
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Chapter 20 Ten Reasons Hacking Is t
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Chapter 20: Ten Reasons Hacking Is
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Chapter 21 Ten Deadly Mistakes S ev
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Thinking That You Know It All Chapt
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Appendix Tools and Resources T o st
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Exploits Appendix: Tools and Resour
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Keyloggers Appendix: Tools and Reso
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mailsnarf — www.monkey.org/~dugso
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Appendix: Tools and Resources PortS
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Appendix: Tools and Resources pwdum
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Source Code Analysis Storage Checkm
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Appendix: Tools and Resources NIST
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Windows Appendix: Tools and Resourc
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• A • aboveboard, 11 Abuse.net
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Cobb, Chey (author) Network Securit
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802.11 encryption protocols, 165, 1
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Health Insurance Portability and Ac
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malware, 151, 266-267, 355 Managing
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• P • packet filtering, 156 Pan
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Remember icon, 6 remote access serv
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SUSE, 247 SUSE Linux Security Alert
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Virtual Private Network (VPN) servi
Page 409 and 410:
Apple & Mac iPad 2 For Dummies, 3rd
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