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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 threats using IBM X-Force Exchange

IBM X-Force Exchange is a threat intelligence sharing platform that SOC analysts can use to investigate IPs, domains, URLs, and hashes. By accessing the IBM X-Force website (https://exchange.xforce.ibmcloud.com/), analysts can find the search form, which allows them to enter the artifacts such as IPs, domains, URLs, and hashes. See Figure 14.15:

Figure 14.15 – The IBM X-Force website

Figure 14.15 – The IBM X-Force website

As you can see, the main web page includes the most trending threats in the form of hashtags and dashboards; most of them are analyzed and collected by the X-Force researcher teams.

Investigating suspicious domains

As we mentioned, the IBM X-Force platform allows you to investigate suspicious domains and URLs. Let us start investigating the antibasic[.]ga domain by entering it into the search form. See Figure 14.15:

Figure 14.16 – Investigating the antibasic[.]ga domain

Figure 14.16 – Investigating the antibasic[.]ga domain

As you...

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