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Ghidra Software Reverse Engineering for Beginners

You're reading from   Ghidra Software Reverse Engineering for Beginners Analyze, identify, and avoid malicious code and potential threats in your networks and systems

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Product type Paperback
Published in Jan 2021
Publisher Packt
ISBN-13 9781800207974
Length 322 pages
Edition 1st Edition
Tools
Concepts
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Author (1):
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A. P. David A. P. David
Author Profile Icon A. P. David
A. P. David
LinkedIn
A. P. David is a senior malware analyst and reverse engineer. He has more than 7 years of experience in IT, having worked on his own antivirus product, and later as a malware analyst and reverse engineer. He started working for a company mostly reverse engineering banking malware and helping to automate the process. After that, he joined the critical malware department of an antivirus company. He is currently working as a security researcher at the Galician Research and Development Center in Advanced Telecommunications (GRADIANT) while doing a malware-related PhD. Apart from that, he has also hunted vulnerabilities for some relevant companies in his free time, including Microsoft's Windows 10 and National Security Agency's Ghidra project.
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Table of Contents (20) Chapters Close

Preface 1. Section 1: Introduction to Ghidra
2. Chapter 1: Getting Started with Ghidra FREE CHAPTER 3. Chapter 2: Automating RE Tasks with Ghidra Scripts 4. Chapter 3: Ghidra Debug Mode 5. Chapter 4: Using Ghidra Extensions 6. Section 2: Reverse Engineering
7. Chapter 5: Reversing Malware Using Ghidra 8. Chapter 6: Scripting Malware Analysis 9. Chapter 7: Using Ghidra Headless Analyzer 10. Chapter 8: Auditing Program Binaries 11. Chapter 9: Scripting Binary Audits 12. Section 3: Extending Ghidra
13. Chapter 10: Developing Ghidra Plugins 14. Chapter 11: Incorporating New Binary Formats 15. Chapter 12: Analyzing Processor Modules 16. Chapter 13: Contributing to the Ghidra Community 17. Chapter 14: Extending Ghidra for Advanced Reverse Engineering 18. Assessments 19. Other Books You May Enjoy

Writing scripts using the Java programming language

As you know from the previous chapter, Alina malware incorporates shellcode that is injected into the explorer.exe process. If you want to deobfuscate the shellcode Kernel32 API function calls, then you will need to identify call instructions. You will also need to filter the functions in order to get only what you need, and finally, of course, you will need to perform the deobfuscation:

01. Function fn = getFunctionAt(currentAddress);
02. Instruction i = getInstructionAt(currentAddress);
03. while(getFunctionContaining(i.getAddress()) == fn){
04.     String nem = i.getMnemonicString();
05.     if(nem.equals("CALL")){
06.         Object[] target_address = i.getOpObjects(0);
07.         if(target_address[0].toString().equals("EBP")){
08.      ...
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Authors (1)

Profile icon A. P. David
A. P. David
LinkedIn icon Github icon
A. P. David is a senior malware analyst and reverse engineer. He has more than 7 years of experience in IT, having worked on his own antivirus product, and later as a malware analyst and reverse engineer. He started working for a company mostly reverse engineering banking malware and helping to automate the process. After that, he joined the critical malware department of an antivirus company. He is currently working as a security researcher at the Galician Research and Development Center in Advanced Telecommunications (GRADIANT) while doing a malware-related PhD. Apart from that, he has also hunted vulnerabilities for some relevant companies in his free time, including Microsoft's Windows 10 and National Security Agency's Ghidra project.
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See other products by A. P. David

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