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Effective Threat Investigation for SOC Analysts

Effective Threat Investigation for SOC Analysts

By : Mostafa Yahia
4.8 (21)
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Effective Threat Investigation for SOC Analysts

Effective Threat Investigation for SOC Analysts

4.8 (21)
By: Mostafa Yahia

Overview of this book

Effective threat investigation requires strong technical expertise, analytical skills, and a deep understanding of cyber threats and attacker techniques. It's a crucial skill for SOC analysts, enabling them to analyze different threats and identify security incident origins. This book provides insights into the most common cyber threats and various attacker techniques to help you hone your incident investigation skills. The book begins by explaining phishing and email attack types and how to detect and investigate them, along with Microsoft log types such as Security, System, PowerShell, and their events. Next, you’ll learn how to detect and investigate attackers' techniques and malicious activities within Windows environments. As you make progress, you’ll find out how to analyze the firewalls, flows, and proxy logs, as well as detect and investigate cyber threats using various security solution alerts, including EDR, IPS, and IDS. You’ll also explore popular threat intelligence platforms such as VirusTotal, AbuseIPDB, and X-Force for investigating cyber threats and successfully build your own sandbox environment for effective malware analysis. By the end of this book, you’ll have learned how to analyze popular systems and security appliance logs that exist in any environment and explore various attackers' techniques to detect and investigate them with ease.
Table of Contents (22 chapters)
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1
Part 1: Email Investigation Techniques
4
Part 2: Investigating Windows Threats by Using Event Logs
10
Part 3: Investigating Network Threats by Using Firewall and Proxy Logs
15
Part 4: Investigating Other Threats and Leveraging External Sources to Investigate Cyber Threats

Investigating endpoint security solutions alerts

Endpoint security solutions are security solutions that are implemented on an organization’s hosts to protect them against cyber threats such as malware infections, credential theft, and suspicious behavior. There are several types of endpoint security solutions; the most common and widely used types are AV and EDR solutions. In this section, we will learn how to investigate samples of the alerts received from both AVs and EDRs.

Investigating AV alerts

The AntiVirus (AV) is an endpoint security solution that is designed to detect and prevent different malware types such as Trojans, worms, and ransomware, based on a signature, which could be a file hash or malware code characters.

The alerts received from the AV solutions contain at least the following details:

  • An infected machine name
  • An infected filename
  • An infected file path
  • An infected file hash
  • A malware name
  • A malware category

While...

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