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  • Book Overview & Buying Mastering Reverse Engineering
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Mastering Reverse Engineering

Mastering Reverse Engineering

By : Wong
3 (5)
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Mastering Reverse Engineering

Mastering Reverse Engineering

3 (5)
By: Wong

Overview of this book

If you want to analyze software in order to exploit its weaknesses and strengthen its defenses, then you should explore reverse engineering. Reverse Engineering is a hackerfriendly tool used to expose security flaws and questionable privacy practices.In this book, you will learn how to analyse software even without having access to its source code or design documents. You will start off by learning the low-level language used to communicate with the computer and then move on to covering reverse engineering techniques. Next, you will explore analysis techniques using real-world tools such as IDA Pro and x86dbg. As you progress through the chapters, you will walk through use cases encountered in reverse engineering, such as encryption and compression, used to obfuscate code, and how to to identify and overcome anti-debugging and anti-analysis tricks. Lastly, you will learn how to analyse other types of files that contain code. By the end of this book, you will have the confidence to perform reverse engineering.
Table of Contents (15 chapters)
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Other obfuscation techniques


The obfuscation techniques we discussed are based on hiding actual strings and code using simple cryptography. Still, there are other ways to obfuscate code. As long as the concept of impeding data and code from easy extraction and analysis is present, then obfuscation still occurs. Let's discuss some more obfuscation techniques.

Control flow flattening obfuscation

The aim of control flow flattening is to make a simple code look like a complicated set of conditional jumps. Let's consider this simple code:

    cmp byte ptr [esi], 0x20
    jz loc_00EB100C
    mov eax, 0
    jmp loc_00EB1011
loc_00EB100C:
    mov eax, 1
loc_00EB1011:
    test eax, eax
    ret

When obfuscated using the control flow flattening method, it would look something like this:

    mov ecx, 1
    mov ebx, 0                ; initial value of control variable
loc_00EB100A:
    test ecx, ecx
    jz loc_00EB103C           ; jump will never happen, an endless loop
loc_00EB100E:
    cmp ebx, 0      ...
CONTINUE READING
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Mastering Reverse Engineering
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