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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

Dumping the process

To dump the process, you can use OllyDump. OllyDump is an OllyDbg plugin that can dump the process back to an executable file. It unloads the PE file back from memory into the necessary file format:

Figure 16: OllyDump UI

Once you reach the OEP from the previous manual unpacking process, you can set the OEP as the new entry point. OllyDump has the ability to fix the import table (as we will soon describe). You can either use it or uncheck the Rebuild Import checkbox if you are willing to use other tools.

Another option is to use tools such as PETools or Lord PE for 32-bit and VSD for 64-bit Windows. The main advantage of these solutions is that apart from the so-called Dump Full option, which mainly dumps original sections associated with the sample, it is also possible to dump a particular memory region—for example, allocated memory with the decrypted/unpacked sample(s):

Figure 17: Region Dump window of PETools

Next, we are going to have a look at fixing...

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