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Binary Analysis Cookbook

You're reading from   Binary Analysis Cookbook Actionable recipes for disassembling and analyzing binaries for security risks

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Product type Paperback
Published in Sep 2019
Publisher Packt
ISBN-13 9781789807608
Length 396 pages
Edition 1st Edition
Tools
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Author (1):
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Michael Born Michael Born
Author Profile Icon Michael Born
Michael Born
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Table of Contents (12) Chapters Close

Preface 1. Setting Up the Lab FREE CHAPTER 2. 32-bit Assembly on Linux and the ELF Specification 3. 64-bit Assembly on Linux and the ELF Specification 4. Creating a Binary Analysis Methodology 5. Linux Tools for Binary Analysis 6. Analyzing a Simple Bind Shell 7. Analyzing a Simple Reverse Shell 8. Identifying Vulnerabilities 9. Understanding Anti-Analysis Techniques 10. A Simple Reverse Shell With Polymorphism 11. Another Book You May Enjoy

Identifying hard coded credentials with a debugger

Continuing with dynamic analysis, we'll turn our attention to using a debugger to identify hardcoded credentials. Instead of using GDB, however, we'll use Evan's Debugger (EDB) because of the advantages of having a nice graphical user interface in this situation. The GUI will make it easier to identify poorly obfuscated passwords, and as we'll see in later recipes, it will also make it easier to validate the format string vulnerability and the buffer overflow vulnerability.

We're going to use EDB to identify and validate hardcoded credentials in this binary. We'll keep this recipe short and concise on purpose since we have a very focused task for this recipe. We saw in previous recipes that the hardcoded credentials are handled in a character array, using the hexadecimal representation of each character...

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