Book Image

Certified Ethical Hacker (CEH) v12 312-50 Exam Guide

By : Dale Meredith
Book Image

Certified Ethical Hacker (CEH) v12 312-50 Exam Guide

By: Dale Meredith

Overview of this book

With cyber threats continually evolving, understanding the trends and using the tools deployed by attackers to determine vulnerabilities in your system can help secure your applications, networks, and devices. To outmatch attacks, developing an attacker's mindset is a necessary skill, which you can hone with the help of this cybersecurity book. This study guide takes a step-by-step approach to helping you cover all the exam objectives using plenty of examples and hands-on activities. You'll start by gaining insights into the different elements of InfoSec and a thorough understanding of ethical hacking terms and concepts. You'll then learn about various vectors, including network-based vectors, software-based vectors, mobile devices, wireless networks, and IoT devices. The book also explores attacks on emerging technologies such as the cloud, IoT, web apps, and servers and examines prominent tools and techniques used by hackers. Finally, you'll be ready to take mock tests, which will help you test your understanding of all the topics covered in the book. By the end of this book, you'll have obtained the information necessary to take the 312-50 exam and become a CEH v11 certified ethical hacker.
Table of Contents (23 chapters)
1
Section 1: Where Every Hacker Starts
10
Section 2: A Plethora of Attack Vectors
15
Section 3: Cloud, Apps, and IoT Attacks
20
Chapter 17: CEH Exam Practice Questions

MAC attacks

If you are from the United States (US) and grew up around McDonald's back in the good old 1970s before it became the worldwide phenomenon it is now, you'll remember their interesting commercial with the phrase describing a Big Mac attack, which was two all-beef patties, special sauce, lettuce, cheese, onions, all on a sesame seed bun. However, we're not talking about food. MAC is short for media access control, and every single NIC we get has a MAC address.

Packets sent on Ethernet are always coming from a MAC address, and they're also sent to a MAC address. I know you're thinking: wasn't that the job of IP? Well, TCP/IP deals with MACs, but when we get down to it, it's the MAC address that is utilized for the transmission and receiving of packets. Each port, whether it's on a NIC or on a printer or a laptop, is going to be unique.

If the network adapter is receiving a packet, it's comparing the packet's destination...