As we move into the dynamic analysis phase of our methodology, we have more than just a few options to help us to identify vulnerabilities in any binary we analyze. One such option is the ltrace tool. This tool, as explained in previous chapters, helps us to trace each library call within a running binary. So, based on our static analysis, and if we choose not to convert each byte into ASCII, we could use this tool to help to identify hardcoded passwords or credentials within a binary we're analyzing. In this recipe, we'll see how the ltrace tool can help us to identify hardcoded, potentially sensitive, information within a binary. This won't be a long exercise but it's important we understand how this, like any tool really, can help us in our analysis tasks.
Binary Analysis Cookbook
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Binary Analysis Cookbook
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Overview of this book
Binary analysis is the process of examining a binary program to determine information security actions. It is a complex, constantly evolving, and challenging topic that crosses over into several domains of information technology and security.
This binary analysis book is designed to help you get started with the basics, before gradually advancing to challenging topics. Using a recipe-based approach, this book guides you through building a lab of virtual machines and installing tools to analyze binaries effectively. You'll begin by learning about the IA32 and ELF32 as well as IA64 and ELF64 specifications. The book will then guide you in developing a methodology and exploring a variety of tools for Linux binary analysis. As you advance, you'll learn how to analyze malicious 32-bit and 64-bit binaries and identify vulnerabilities. You'll even examine obfuscation and anti-analysis techniques, analyze polymorphed malicious binaries, and get a high-level overview of dynamic taint analysis and binary instrumentation concepts.
By the end of the book, you'll have gained comprehensive insights into binary analysis concepts and have developed the foundational skills to confidently delve into the realm of binary analysis.
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Current Title:
Binary Analysis Cookbook
Table of Contents (12 chapters)
Preface
Free Chapter
Setting Up the Lab
32-bit Assembly on Linux and the ELF Specification
64-bit Assembly on Linux and the ELF Specification
Creating a Binary Analysis Methodology
Linux Tools for Binary Analysis
Analyzing a Simple Bind Shell
Analyzing a Simple Reverse Shell
Identifying Vulnerabilities
Understanding Anti-Analysis Techniques
A Simple Reverse Shell With Polymorphism
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