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Antivirus Bypass Techniques

You're reading from   Antivirus Bypass Techniques Learn practical techniques and tactics to combat, bypass, and evade antivirus software

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Product type Paperback
Published in Jul 2021
Publisher Packt
ISBN-13 9781801079747
Length 242 pages
Edition 1st Edition
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Authors (2):
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Uriel Kosayev Uriel Kosayev
Author Profile Icon Uriel Kosayev
Uriel Kosayev
Nir Yehoshua Nir Yehoshua
Author Profile Icon Nir Yehoshua
Nir Yehoshua
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Toc

Table of Contents (13) Chapters Close

Preface 1. Section 1: Know the Antivirus – the Basics Behind Your Security Solution
2. Chapter 1: Introduction to the Security Landscape FREE CHAPTER 3. Chapter 2: Before Research Begins 4. Chapter 3: Antivirus Research Approaches 5. Section 2: Bypass the Antivirus – Practical Techniques to Evade Antivirus Software
6. Chapter 4: Bypassing the Dynamic Engine 7. Chapter 5: Bypassing the Static Engine 8. Chapter 6: Other Antivirus Bypass Techniques 9. Section 3: Using Bypass Techniques in the Real World
10. Chapter 7: Antivirus Bypass Techniques in Red Team Operations 11. Chapter 8: Best Practices and Recommendations 12. Other Books You May Enjoy

Antivirus bypass using a DLL

A DLL is a library file containing number of functions (sometimes hundreds or more) that are, as the name suggests, dynamically loaded and used by Windows PE files.

DLL files either include or actually export Windows and Native API functions that are used or imported by PE executables. Those DLLs are used by various programs such as antivirus software programs, easing development by letting coders call a wide range of prewritten functions.

To understand better what a DLL file is, as well as any other PE-based file types, it is important to understand the PE file format.

PE files

PE files play an important role in the Windows operating system. This file format is used by executable binary files with the .exe extension as well as by DLLs with the .dll extension, but those are not only the file types using this versatile file format. Here are a few others:

  • CPL: Base file for control panel configurations, which plays a basic and important...
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