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Mastering Malware Analysis

You're reading from   Mastering Malware Analysis The complete malware analyst's guide to combating malicious software, APT, cybercrime, and IoT attacks

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Product type Paperback
Published in Jun 2019
Publisher Packt
ISBN-13 9781789610789
Length 562 pages
Edition 1st Edition
Languages
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Authors (2):
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Alexey Kleymenov Alexey Kleymenov
Author Profile Icon Alexey Kleymenov
Alexey Kleymenov
Amr Thabet Amr Thabet
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Amr Thabet
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Toc

Table of Contents (18) Chapters Close

Preface 1. Section 1: Fundamental Theory FREE CHAPTER
2. A Crash Course in CISC/RISC and Programming Basics 3. Section 2: Diving Deep into Windows Malware
4. Basic Static and Dynamic Analysis for x86/x64 5. Unpacking, Decryption, and Deobfuscation 6. Inspecting Process Injection and API Hooking 7. Bypassing Anti-Reverse Engineering Techniques 8. Understanding Kernel-Mode Rootkits 9. Section 3: Examining Cross-Platform Malware
10. Handling Exploits and Shellcode 11. Reversing Bytecode Languages: .NET, Java, and More 12. Scripts and Macros: Reversing, Deobfuscation, and Debugging 13. Section 4: Looking into IoT and Other Platforms
14. Dissecting Linux and IoT Malware 15. Introduction to macOS and iOS Threats 16. Analyzing Android Malware Samples 17. Other Books You May Enjoy

Dynamic WinAPIs resolution

With the dynamic WinAPIs resolution, only one function with different arguments is being used to get access to all the WinAPIs. It dynamically searches for the requested API (and often the corresponding DLL), usually using some sort of checksum of the name that's provided as an argument. There are two common approaches to making this readable:

  • Using enums:
    1. Find the matches between all checksums, APIs, and DLLs used.
    2. Store the associations as enum values.
    3. Find all the places where the resolving function is being used, take its checksum argument, and convert it into the corresponding enum name.
  • Using comments:
    1. Find the matchings between all checksums, APIs, and DLLs used.
    2. Store associations in memory.
    3. Find all the places where the resolving function is being used, take its checksum argument, and place a comment with the corresponding API name next to it.

IDA scripting is really what makes a difference and turns novice analysts into professionals who...

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