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Learning Linux Binary Analysis

Learning Linux Binary Analysis

By : "elfmaster" O'Neill
4.8 (10)
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Learning Linux Binary Analysis

Learning Linux Binary Analysis

4.8 (10)
By: "elfmaster" O'Neill

Overview of this book

Learning Linux Binary Analysis is packed with knowledge and code that will teach you the inner workings of the ELF format, and the methods used by hackers and security analysts for virus analysis, binary patching, software protection and more. This book will start by taking you through UNIX/Linux object utilities, and will move on to teaching you all about the ELF specimen. You will learn about process tracing, and will explore the different types of Linux and UNIX viruses, and how you can make use of ELF Virus Technology to deal with them. The latter half of the book discusses the usage of Kprobe instrumentation for kernel hacking, code patching, and debugging. You will discover how to detect and disinfect kernel-mode rootkits, and move on to analyze static code. Finally, you will be walked through complex userspace memory infection analysis. This book will lead you into territory that is uncharted even by some experts; right into the world of the computer hacker.
Table of Contents (11 chapters)
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10
Index

Chapter 5. Linux Binary Protection

In this chapter, we are going to explore the basic techniques and motivations for obfuscation of Linux programs. Techniques that obfuscate or encrypt binaries or make them difficult to tamper with are called software protection schemes. By "software protection," we mean binary protection or binary hardening techniques. Binary hardening is not exclusive to Linux; in fact, there are many more products for the Windows OS in this technology genre, and there are definitely more examples to choose from for discussion.

What many people fail to realize is that Linux has a market for this too, although it largely exists for anti-tamper products used by the government. There are also a number of ELF binary protectors that were released over the last decade in the hacker community, several of which paved the way for many of the technologies used today.

An entire book could be dedicated to the art of software protection, and as the author of some...

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