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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

APK

APK files are archive files based on the JAR format, which, as we know from Chapter 8, Reversing Bytecode Languages: .NET, Java, and More, implements the ZIP format. What this means is that APK files can be unpacked using any software supporting ZIP-compressed files.

Usually, APK files contain the following files:

  • res: This directory contains various resource files (such as XMLs and pictures)
  • META-INF: Mainly stores metadata files about the package:
    • MANIFEST.MF: Manifest file containing names and SHA1/SHA2 digests of files inside the APK
    • <name>.RSA: Contains the application's signature and certificate
    • <name>.SF: Contains SHA1/SHA2 digests of the corresponding lines in the MANIFEST.MF and the list of associated resources
  • AndroidManifest.xml: Main manifest file defining various important app-related values for the system and Google Play
  • classes.dex: Compiled file containing the app's DEX bytecode; there can be several of them named classes<num>.dex
  • resources...
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