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Windows APT Warfare

You're reading from   Windows APT Warfare Identify and prevent Windows APT attacks effectively

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Product type Paperback
Published in Mar 2023
Publisher Packt
ISBN-13 9781804618110
Length 258 pages
Edition 1st Edition
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Author (1):
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Sheng-Hao Ma Sheng-Hao Ma
Author Profile Icon Sheng-Hao Ma
Sheng-Hao Ma
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Toc

Table of Contents (17) Chapters Close

Preface 1. Part 1 – Modern Windows Compiler
2. Chapter 1: From Source to Binaries – The Journey of a C Program FREE CHAPTER 3. Chapter 2: Process Memory – File Mapping, PE Parser, tinyLinker, and Hollowing 4. Chapter 3: Dynamic API Calling – Thread, Process, and Environment Information 5. Part 2 – Windows Process Internals
6. Chapter 4: Shellcode Technique – Exported Function Parsing 7. Chapter 5: Application Loader Design 8. Chapter 6: PE Module Relocation 9. Part 3 – Abuse System Design and Red Team Tips
10. Chapter 7: PE to Shellcode – Transforming PE Files into Shellcode 11. Chapter 8: Software Packer Design 12. Chapter 9: Digital Signature – Authenticode Verification 13. Chapter 10: Reversing User Account Control and Bypassing Tricks 14. Index 15. Other Books You May Enjoy Appendix – NTFS, Paths, and Symbols

tinyLinker example

This example is from the tinyLinker project. It can be found under the Chapter#2 folder of this book’s GitHub project, which is publicly available. To save space, we only extracted the highlighted code; the complete source code should be referred to if you wish to look at the full project for detailed reading.

Now that you have learned how to generate a linker for an executable, next, you need to learn how to generate a PE program linker from scratch. We’ll take a hands-on approach to this in this section:

Figure 2.12 – The main function of tinyLinker

Figure 2.12 – The main function of tinyLinker

We assume that a simple executable should have at least three structure headers – that is, a DOS Header, NT Headers, and Section Headers, respectively. (Note that the File Header and Optional Header are part of the NT Headers). The contents of this section are appended to the ends of these headers.

In lines 26-31 of the code, the size of the entire program...

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