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)
Section 1: Where Every Hacker Starts
Section 2: A Plethora of Attack Vectors
Section 3: Cloud, Apps, and IoT Attacks
Chapter 17: CEH Exam Practice Questions

Ports and services to know about

Let's consider the ports and services you will want to be familiar with:

  • Most of the DNS information that goes across the network is going to be using port 53.
  • Simple Mail Transfer Protocol (SMTP) typically uses port 25.
  • Microsoft RPC endpoints use TCP 135.
  • The global catalog service, which is a stripped-down version of Active Directory that users and applications take advantage of all the time, queries port 3286.
  • The NetBIOS naming service, which is typically the computer name to an IP address, uses port 137, both TCP and UDP.
  • LDAP or LDP is the protocol used by Active Directory, Open Directory, and all the different directory services out there. It uses TCP and UDP port 389.
  • SMB, which is our server message block over NetBIOS, is what creates shared resources or shared folders, and it uses TCP 139 to make connections.
  • We also have SNMP, which uses UDP 161. The other SMB technology that it can use is...