April 2005
Intermediate to advanced
624 pages
16h 18m
English
Content preview from Reversing: Secrets of Reverse EngineeringBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 2. Low-Level Software
This chapter provides an introduction to low-level software, which is a critical aspect of the field of reverse engineering. Low-level software is a general name for the infrastructural aspects of the software world. Because the low-level aspects of software are often the only ones visible to us as reverse engineers, we must develop a firm understanding of these layers that together make up the realm of low-level software.
This chapter opens with a very brief overview of the conventional, high-level perspective of software that every software developer has been exposed to. We then proceed to an introduction of low-level software and demonstrate how fundamental high-level software concepts map onto the low-level realm. This is followed by an introduction to assembly language, which is a key element in the reversing process and an important part of this book. Finally, we introduce several auxiliary low-level software topics that can assist in low-level software comprehension: compilers and software execution environments.
If you are an experienced software developer, parts of this chapter might seem trivial, particularly the high-level perspectives in the first part of this chapter. If that is the case, it is recommended that you start reading from the section titled "Low-Level Perspectives" later in this chapter, which provides a low-level perspective on familiar software development concepts.
High-Level Perspectives
Let's review some basic software development ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.