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Learning Malware Analysis

Learning Malware Analysis

By : Monnappa K A
4.7 (31)
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Learning Malware Analysis

Learning Malware Analysis

4.7 (31)
By: Monnappa K A

Overview of this book

Malware analysis and memory forensics are powerful analysis and investigation techniques used in reverse engineering, digital forensics, and incident response. With adversaries becoming sophisticated and carrying out advanced malware attacks on critical infrastructures, data centers, and private and public organizations, detecting, responding to, and investigating such intrusions is critical to information security professionals. Malware analysis and memory forensics have become must-have skills to fight advanced malware, targeted attacks, and security breaches. This book teaches you the concepts, techniques, and tools to understand the behavior and characteristics of malware through malware analysis. It also teaches you techniques to investigate and hunt malware using memory forensics. This book introduces you to the basics of malware analysis, and then gradually progresses into the more advanced concepts of code analysis and memory forensics. It uses real-world malware samples, infected memory images, and visual diagrams to help you gain a better understanding of the subject and to equip you with the skills required to analyze, investigate, and respond to malware-related incidents.
Table of Contents (13 chapters)
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3. Detecting API Hooks


After injecting the malicious code into the target process, malware can hook API calls made by the target process to control its execution path and reroute it to the malicious code. The details of hooking techniques were covered in Chapter 8, Code Injection and Hooking (in the Hooking Techniques section). In this section, we will mainly focus on detecting such hooking techniques using memory forensics. To identify API hooks in both process and kernel memory, you can use the apihooks Volatility plugin. In the following example of Zeus bot, an executable is injected into the explorer.exe process's memory at address 0x2c70000, as detected by the malfind plugin:

$ python vol.py -f zeus.vmem --profile=Win7SP1x86 malfind

Process: explorer.exe Pid: 1608 Address: 0x2c70000
Vad Tag: Vad Protection: PAGE_EXECUTE_READWRITE
Flags: Protection: 6

0x02c70000 4d 5a 00 00 00 00 00 00 00 00 00 00 00 00 00 00 MZ..............
0x02c70010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00...

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