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  • Book Overview & Buying Reverse Engineering Armv8-A Systems
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Reverse Engineering Armv8-A Systems

Reverse Engineering Armv8-A Systems

By : Austin Kim
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Reverse Engineering Armv8-A Systems

Reverse Engineering Armv8-A Systems

By: Austin Kim

Overview of this book

Unlock the secrets hidden in binary code without needing the source! Written by a Linux kernel engineer and author with over 14 years of industry experience, this book lays a solid foundation in reverse engineering and takes you from curious analyst to expert. You’ll master advanced techniques to dissect kernel binaries, including kernel module files, vmlinux, and vmcore, giving you the power to analyze systems at their core. This practical, three-part journey starts with the essentials of reverse engineering, introducing the key features of Armv8-A processors and the ELF file format. The second part walks you through the reverse-engineering process, from Arm environment setup to using static and dynamic analysis tools, including innovative methods for analyzing kernel binaries and the powerful debugging tool uftrace. The final part covers security, exploring TrustZone and the latest security techniques to safeguard Arm devices at the hardware level. By the end of this reverse engineering book, you'll have comprehensive Armv8-A expertise and the practical skills to analyze any binary with confidence while leveraging advanced security features to harden your systems.
Table of Contents (22 chapters)
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Preface
Lock Free Chapter
1
Part I: Fundamentals of Armv8-A Architecture
7
Part II: Background Knowledge for Binary Analysis
11
Part III: Unlocking Key Binary Analysis Skills for Reverse Engineering
17
Part IV: Security Features in Armv8-A Systems
20
Other Books You May Enjoy
21
Index

Program headers

The program header gives information about how to place the ELF binary into memory space efficiently. Before running the program, the operating system’s loader reads the program headers to load the program into memory. These headers consist of a series of segments, detailing where and how to load the ELF file’s data into memory.

In this section, the program header will be covered. First, we will look at where the program header is located in the ELF file.

Layout of the program header

Figure 2.9 illustrates the location of the program header in the ELF file.

Figure 2.9: Position of program headers in ELF

First, let’s take a look at 1 in the figure. The arrow in 1 indicates the location of the program header. The e_phoff field of the Elf64_Ehdr structure indicates the location of the program header in ELF. Here, the Elf64_Ehdr structure represents the ELF header.

The location of the program header is different in each...

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Reverse Engineering Armv8-A Systems
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