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Malware Analysis Techniques

You're reading from   Malware Analysis Techniques Tricks for the triage of adversarial software

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Product type Paperback
Published in Jun 2021
Publisher Packt
ISBN-13 9781839212277
Length 282 pages
Edition 1st Edition
Languages
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Author (1):
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Dylan Barker Dylan Barker
Author Profile Icon Dylan Barker
Dylan Barker
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Toc

Table of Contents (17) Chapters Close

Preface 1. Section 1: Basic Techniques
2. Chapter 1: Creating and Maintaining your Detonation Environment FREE CHAPTER 3. Chapter 2: Static Analysis – Techniques and Tooling 4. Chapter 3: Dynamic Analysis – Techniques and Tooling 5. Chapter 4: A Word on Automated Sandboxing 6. Section 2: Debugging and Anti-Analysis – Going Deep
7. Chapter 5: Advanced Static Analysis – Out of the White Noise 8. Chapter 6: Advanced Dynamic Analysis – Looking at Explosions 9. Chapter 7: Advanced Dynamic Analysis Part 2 – Refusing to Take the Blue Pill 10. Chapter 8: De-Obfuscating Malicious Scripts: Putting the Toothpaste Back in the Tube 11. Section 3: Reporting and Weaponizing Your Findings
12. Chapter 9: The Reverse Card: Weaponizing IOCs and OSINT for Defense 13. Chapter 10: Malicious Functionality: Mapping Your Sample to MITRE ATT&CK 14. Section 4: Challenge Solutions
15. Chapter 11: Challenge Solutions 16. Other Books You May Enjoy

Deobfuscating malicious VBS scripts

In this section, we'll take a look at some of the methodologies we've learned about and learn a few shortcuts to de-obfuscating malicious VBS and VBA scripts within our Windows virtual machine (VM) to understand what the malicious author may be attempting to accomplish.

Malicious VB scripts are one of the more common methodologies in use throughout the history of malware as it's easy to code in, easy to learn, ubiquitous, and powerful within the environment that comprises most malware targets—Windows.

Utilizing VbsEdit

A free tool, VbsEdit, is one of the best methods to approach de-obfuscation of VB-based scripts. The tool can be obtained from the link within the Technical requirements section at the beginning of this chapter.

Once the tool is downloaded, proceed through the installation, accepting default options—they'll work perfectly.

Of note, the tool does have an optional license but it is not...

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