.NET Malware 101: Analyzing the .NET Executable File Structure

From intezer.com

Welcome to our deep dive into the world of .NET malware reverse engineering. As a security researcher or analyst, you’re likely aware that the .NET framework, famed for its ability to enable rapid and robust application development, is a double-edged sword. The same features that make it attractive to legitimate developers also make it a favorite among malware authors. 

So why invest time and effort in unraveling .NET malware? Simply put, the cyber threat environment is filled with malware built using .NET frameworks, and countering these threats necessitates a deep understanding of their underlying code structures and the ability to analyze their operational intricacies. Armed with knowledge and reverse engineering skills, you’ll be able to unpack the mechanics of malware, uncover its attack vectors, and strengthen defenses against these threats. 

This blog aims to demystify the process of .NET reverse engineering, making it more approachable and comprehensible. Our journey will equip you with the essential knowledge to analyze .NET files and gain insights into their harmful functionality and behaviors. We’ll start with an in-depth exploration of the .NET executable format to provide you with a solid understanding of the structure of these files. This will be followed by an extensive review of the tools and techniques available for reverse engineering .NET malware, ensuring you are well-prepared to tackle these threats.

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