Book Image

Antivirus Bypass Techniques

By : Nir Yehoshua, Uriel Kosayev
Book Image

Antivirus Bypass Techniques

By: Nir Yehoshua, Uriel Kosayev

Overview of this book

Antivirus software is built to detect, prevent, and remove malware from systems, but this does not guarantee the security of your antivirus solution as certain changes can trick the antivirus and pose a risk for users. This book will help you to gain a basic understanding of antivirus software and take you through a series of antivirus bypass techniques that will enable you to bypass antivirus solutions. The book starts by introducing you to the cybersecurity landscape, focusing on cyber threats, malware, and more. You will learn how to collect leads to research antivirus and explore the two common bypass approaches used by the authors. Once you’ve covered the essentials of antivirus research and bypassing, you'll get hands-on with bypassing antivirus software using obfuscation, encryption, packing, PowerShell, and more. Toward the end, the book covers security improvement recommendations, useful for both antivirus vendors as well as for developers to help strengthen the security and malware detection capabilities of antivirus software. By the end of this security book, you'll have a better understanding of antivirus software and be able to confidently bypass antivirus software.
Table of Contents (13 chapters)
1
Section 1: Know the Antivirus – the Basics Behind Your Security Solution
5
Section 2: Bypass the Antivirus – Practical Techniques to Evade Antivirus Software
9
Section 3: Using Bypass Techniques in the Real World

Getting started with the research

The number of files and components that make up antivirus software can reach the hundreds, with each file being proficient in a different antivirus model. For example, a particular process is responsible for monitoring files within the operating system, while another is responsible for static file scanning, another process can run the antivirus service on the operating system, and so on.

Choosing the right files and components for investigative purposes is critical, as all research takes time. We do not want to waste our time researching a file or component that is irrelevant for bypassing antivirus software.

That is why, before we conduct the research itself, we have to gather research leads and assign them a particular priority. For example, consider how much time and resources to invest in each lead.

Additionally, it is important to understand that most antivirus software has a self-protection mechanism. Its goal is to make it difficult...