Sybex CEH Certified Ethical Hacker Version 8 Study Guide

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214 Chapter 9 ■ Sniffers Wireshark As of this writing, Wireshark reigns supreme as perhaps the best sniffer on the market. Wireshark has been around for quite some time, and it has proven its worth time and time again. Wireshark is natively available on both Windows and Linux. Sniffer builds include TCPdump, Kismet, and Ettercap, among others. A great resource for sniffers and many other security tools is www.sectools.org. All sniffers have their place in the sniffing universe, but for our purposes we will be focusing on Wireshark. Wireshark is natively available on Linux as well as Windows. First, let’s do a quick run through on Wireshark basics in Exercise 9.1. You do not necessarily need to know how to run Wireshark, but you will be expected to be able to understand how a sniffer works and be able to dissect and understand captured packets. Wireshark is a de facto industry standard, so being comfortable with it will aid you in the exam and the real world. EXERCISE 9.1 Sniffing with Wireshark 1. Make sure Wireshark is running on your BackTrack r3 client, as shown here.
Using a Sniffer 215 2. Choose Capture ➢ Interfaces to open the window shown here. This step is identical on Linux and Windows versions. 3. Once you’ve successfully begun the capture, you’re all set to start sending your test packets across the wire. For this exercise use Telnet to send TCP traffic from a Windows 7 client to a Windows XP client.
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CEHv8 Certified Ethical Hacker Vers
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Senior Acquisitions Editor: Jeff Ke
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Acknowledgments First, I would like
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Contents at a Glance Introduction A
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xii Contents Chapter 3 Cryptography
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xiv Contents Commonly Exploited Ser
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xvi Contents Chapter 11 Denial of S
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xviii Contents Securing the Physica
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Introduction If you’re preparing
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Introduction xxiii How to Become a
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Introduction xxv Tips for Taking th
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Introduction xxvii 4. Answer all of
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Introduction xxix Network/wireless
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Assessment Test xxxi C. PPP D. SLIP
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Assessment Test xxxiii 19. An indiv
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Assessment Test xxxv 31. Which of t
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Answers to Assessment Test xxxvii 1
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CEHv8 Certified Ethical Hacker Vers
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In this book you will learn the var
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4 Chapter 1 ■ Getting Started wit
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10 Chapter 1 ■ Getting Started wi
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Every skill set comes with a histor
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28 Chapter 2 ■ System Fundamental
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This chapter covers cryptography, a
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58 Chapter 3 ■ Cryptography The p
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60 Chapter 3 ■ Cryptography ■
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62 Chapter 3 ■ Cryptography MARS
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64 Chapter 3 ■ Cryptography A has
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66 Chapter 3 ■ Cryptography The C
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68 Chapter 3 ■ Cryptography Under
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70 Chapter 3 ■ Cryptography TABLE
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72 Chapter 3 ■ Cryptography 5. On
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74 Chapter 3 ■ Cryptography PGP w
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76 Chapter 3 ■ Cryptography Revie
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78 Chapter 3 ■ Cryptography 13. W
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Chapter 4 Footprinting and Reconnai
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Understanding the Steps of Ethical
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What Is Footprinting? 85 Goals of t
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Terminology in Footprinting 87 Orga
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The Footprinting Process 89 Using S
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The Footprinting Process 91 Locatio
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The Footprinting Process 93 will no
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The Footprinting Process 95 In secu
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Exam Essentials 97 I want to introd
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Review Questions 99 7. Which of the
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Review Questions 101 19. Footprinti
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Once you’ve completed the footpri
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106 Chapter 5 ■ Scanning Networks
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You’ve gathered a lot of informat
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130 Chapter 6 ■ Enumeration of Se
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Using the information gathered so f
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154 Chapter 7 ■ Gaining Access to
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Page 223 and 224: Malware 181 In past decades, what w
Page 225 and 226: Malware 183 The Patriot Act This ac
Page 227 and 228: Malware 185 1. Design. The author e
Page 229 and 230: Malware 187 ■ ■ Macro viruses d
Page 231 and 232: Malware 189 How to Create a Virus C
Page 233 and 234: Malware 191 A Closer Look at Slamme
Page 235 and 236: Malware 193 ■ ■ Freeware—Down
Page 237 and 238: Malware 195 Operations that could b
Page 239 and 240: Malware 197 ■ NetMeeting Remote:
Page 241 and 242: Malware 199 Tools for Creating Troj
Page 243 and 244: Malware 201 5. In the next screen,
Page 245 and 246: Overt and Covert Channels 203 ■ P
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Page 249 and 250: Review Questions 207 7. Which utili
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Page 253 and 254: Understanding Sniffers 211 When on
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Page 261 and 262: Using a Sniffer 219 2. Next you nee
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Page 265 and 266: Using a Sniffer 223 3. Select the T
Page 267 and 268: Switched Network Sniffing 225 What
Page 269 and 270: Switched Network Sniffing 227 Port
Page 271 and 272: Switched Network Sniffing 229 root@
Page 273 and 274: Review Questions 231 Review Questio
Page 275 and 276: Review Questions 233 13. What is th
Page 277 and 278: Chapter 10 Social Engineering CEH E
Page 279 and 280: What Is Social Engineering? 237 If
Page 281 and 282: What Is Social Engineering? 239 eng
Page 283 and 284: What Is Social Networking? 241 Many
Page 285 and 286: What Is Social Networking? 243 Mist
Page 287 and 288: What Is Social Networking? 245 Ambe
Page 289 and 290: Commonly Employed Threats 247 Dumps
Page 291 and 292: Commonly Employed Threats 249 ■
Page 293 and 294: Identity Theft 251 Although some si
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Page 297 and 298: Review Questions 255 7. Phishing ca
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264 Chapter 11 ■ Denial of Servic
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The concept of session hijacking is
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286 Chapter 12 ■ Session Hijackin
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Chapter 13 Web Servers and Web Appl
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Exploring the Client-Server Relatio
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Exam Essentials 323 Summary This ch
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Review Questions 325 7. In the fiel
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Review Questions 327 19. What may b
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This chapter covers SQL injection,
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332 Chapter 14 ■ SQL Injection SE
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334 Chapter 14 ■ SQL Injection Al
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336 Chapter 14 ■ SQL Injection Ru
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338 Chapter 14 ■ SQL Injection If
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340 Chapter 14 ■ SQL Injection On
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342 Chapter 14 ■ SQL Injection In
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344 Chapter 14 ■ SQL Injection
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346 Chapter 14 ■ SQL Injection 7.
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Chapter 15 Wireless Networking CEH
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What Is a Wireless Network? 351 ■
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What Is a Wireless Network? 353 nam
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What Is a Wireless Network? 355 Som
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What Is a Wireless Network? 357 ■
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What Is a Wireless Network? 359 Cra
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What Is a Wireless Network? 361 Wha
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What Is a Wireless Network? 363 Mis
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What Is a Wireless Network? 365 Als
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Summary 367 ■ ■ ■ An attacker
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Review Questions 369 Review Questio
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Review Questions 371 14. Bluejackin
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At this point in this book you have
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376 Chapter 16 ■ Evading IDSs, Fi
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Chapter 17 Physical Security CEH EX
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Introducing Physical Security 395 O
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Introducing Physical Security 397 s
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Introducing Physical Security 399 P
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Introducing Physical Security 401 S
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Introducing Physical Security 403 e
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Introducing Physical Security 405 a
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Introducing Physical Security 407 V
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Exam Essentials 409 opening 18 feet
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Review Questions 411 7. Which of th
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Review Questions 413 19. What mecha
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416 Appendix A ■ Answers to Revie
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438 Appendix B ■ About the Additi
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440 Appendix B ■ About the Additi
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442 ARP (Address Resolution Protoco
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444 Counter Mode with Cipher Block
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446 EIP (Extended Instruction Point
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448 Google Hacking Database (GHDB)
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450 IP DHCP Snooping feature - Limi
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452 mirrors, port - networks mirror
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454 passwords - ports passwords cha
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456 Remote Encrypted Callback Unix
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458 sniffers - stateful multilayer
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460 Teflon Oil Patch program - unpr
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462 webservers and web applications
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