Read 312-39 Free Dumps (Part 2, Q41-Q80) of V10.02 – Verify the Latest Materials and Prepare for the EC-Council Certified SOC Analyst (CSA) Certification Exam

1. The SOC team found a suspicious document file on a user's workstation. Upon initial inspection, the document appears benign, but deeper analysis reveals an embedded PowerShell script. The team suspects the script is designed to download and execute a malicious payload. They need to understand the script's functionality without triggering it.

Which malware analysis technique is recommended to understand the PowerShell script's functionality without executing it?

2. A SOC analyst receives an alert indicating that the system time on a critical Windows server was changed at 3:00 AM. There are no scheduled maintenance tasks at this time. Unauthorized time changes can be used to evade security controls, such as altering timestamps to obscure malicious activity. The analyst must identify the relevant event codes that log system time modifications and related suspicious behavior.

Which of the following Windows Security Event Codes should the analyst review to investigate potential tampering?

3. The SOC team at CyberSecure Corp is conducting a security review to identify anomalous log entries from firewall logs. The team needs to extract patterns such as email addresses, IP addresses, and URLs to detect unauthorized access attempts, phishing activities, and suspicious external communications. The SOC analyst applies various regular expressions (regex) patterns to filter and analyze logs efficiently. For example, they use bd{1,3}.d{1,3}.d{1,3}.d{1,3}b to match IPv4 addresses.

Which regex pattern should the SOC analyst use to extract all hexadecimal color codes found in the logs?

4. A major financial institution has strict policies preventing unauthorized data transfers. As a SOC analyst, during routine log analysis you detect an anomaly: an employee workstation initiates large file transfers outside business hours, involving highly sensitive customer financial records. You discover remote access from an unfamiliar IP address and an unauthorized USB device connection on the workstation.

Given the likelihood of data exfiltration, what should be your first step in responding?

5. Secuzin Corp. is a large enterprise performing millions of financial transactions daily, making it critical to analyze security logs efficiently, detect suspicious activities, and respond to incidents in real time. Its SOC is responsible for managing security logs from various network devices, including firewalls, intrusion detection systems (IDS), authentication servers, and cloud services. To fulfill compliance and regulatory requirements that mandate long-term archival of logs, you need to provide a log storage solution that is scalable to handle increasing log volumes, provides encryption for data security, and is seamlessly accessible.

Which storage solution should you choose to meet these long-term log storage requirements?

6. A security team is configuring a newly deployed SIEM system. With limited resources, they must prioritize monitoring scenarios that provide the greatest security benefit. The team understands an effective SIEM relies on well-defined use cases tailored to the organization’s environment.

Which factor should guide their selection of use cases?

7. The team receives an alert about a ransomware incident affecting the organization’s email infrastructure. Forensic analysis identifies the ransomware exploited CVE-2024-0123 in an unpatched mail server. The incident response team is deploying an emergency patch (KB5025941), updating mail filtering rules to block malicious payloads, and implementing additional network segmentation to limit lateral movement.

Which phase of the Incident Response process is the SOC currently executing?

8. A mid-sized financial institution’s SOC is overwhelmed by thousands of daily alerts, many based on Indicators of Compromise (IoCs) such as suspicious IPs, hashes, and domains. These alerts lack context about whether they truly pose a threat. Analysts waste time on low-priority incidents while severe threats may be missed. The team lacks tools and intelligence to correlate IoCs with real-world threats, making prioritization difficult and causing alert fatigue.

Which poses the greatest challenge in this environment?

9. Following a high-priority security incident, you, as an Incident Responder at a Cyber Incident Response firm, initiate an internal investigation after reports confirm a serious data breach in which sensitive customer data, including payment details and personal information, was stolen from a critical web server. You begin analyzing the server logs to reconstruct the attack timeline and identify how the attacker gained access. During your investigation, you discover suspicious activity in the logs, including repeated requests attempting to access files and directories outside of the web server’s root directory. Some of these requests appear to be manipulating URL paths to navigate into restricted system files―a behavior that is often associated with web-based exploits. You suspect that a vulnerability in the web server was exploited to bypass security restrictions and access unauthorized directories, potentially exposing sensitive configurations and credentials. However, you still need to confirm the exact technique used.

Which type of web application attack might have caused this incident?

10. A financial institution's SIEM is generating a high number of false positives, causing alert fatigue among SOC analysts. To reduce this burden and improve threat detection accuracy, the organization integrates AI capabilities into the SIEM. After implementation, the SOC team observes a significant decrease in redundant alerts, along with faster detection of genuine threats.

Which AI capability contributed to this improvement?

11. ABC is a multinational company with multiple offices across the globe, and you are working as an L2 SOC analyst. You are implementing a centralized logging solution to enhance security monitoring. You must ensure that log messages from routers, firewalls, and servers across multiple remote offices are efficiently collected and forwarded to a central syslog server. To streamline this process, an intermediate component is deployed to receive log messages from different devices and forward them to the main syslog server.

Which component in the syslog infrastructure performs this function?

12. At 9:15 AM EST, Marcus Wong, a financial operations analyst, contacts the SOC after noticing Excel spreadsheets automatically encrypting with unusual file extensions (e.g., .locked or .crypt). The Tier 1 analyst logs the incident as ticket #INC-89271 in the SIEM and escalates it to a Tier 2 SOC analyst for investigation.

Which phase of the Incident Response process is currently taking place?

13. An organization with a complex IT infrastructure is planning to implement a SIEM solution to improve its threat detection and response capabilities. Due to the scale and complexity of its systems, the organization opts for a phased deployment approach to ensure a smooth implementation and reduce potential risks.

Which of the following should be the first phase in their SIEM deployment strategy?

14. A financial institution suspects an insider threat due to unauthorized access attempts on restricted

databases. However, SIEM alerts lack sufficient information to differentiate between legitimate and malicious access. The SOC manager recommends integrating contextual data to improve detection.

Which contextual data source should be integrated in this scenario?

15. You are working in a Cybersecurity Operations Center for PayOnline, which handles payment gateways for multiple applications. Your team monitors logs across firewalls, authentication servers, and endpoint detection tools. The team currently relies on manual log reviews, but the volume of raw, unstructured logs makes the process inefficient and error-prone. During a recent incident, the team struggled to extract relevant details from disorganized logs, delaying detection and response. The team decides to implement an automated log parsing solution that can transform unstructured logs into a structured format.

Which log parsing technique should you implement to improve log data structuring and enable efficient querying and analysis?

16. A mid-sized hospital's SOC team has recently detected multiple malware incidents that disrupted access to patient records and caused operational inefficiencies. The SOC analysts have been tasked with eradicating current infections and preventing future attacks by addressing the underlying vulnerabilities that allowed the malware to breach defenses. As a SOC analyst, you need to recommend a step that directly targets weaknesses in the hospital’s network infrastructure or system configurations exploited by the malware.

Which eradication step would best address these root causes?

17. At GlobalTech, the SOC team detects a suspicious ransomware outbreak affecting multiple endpoints. After successfully isolating the infected systems from the network, the Digital Forensics team begins their investigation. They deploy a forensics workstation to acquire RAM dumps, extract Windows Event Logs, and collect network PCAP files from the compromised hosts.

Which phase of the Incident Response lifecycle is currently underway?

18. In a large corporation, the HR department receives an urgent email from someone impersonating a high-level executive, requesting immediate transfer of sensitive employee data. The email includes an official-looking document and a phone number for verification. Feeling pressured, the HR manager calls the number and “confirms” the request, then transfers the data. Investigation later confirms the email was fraudulent and the executive had no knowledge of the request.

What type of attack did the HR department face?

19. Lisa Carter, a SOC analyst at a financial services firm, is performing a risk assessment following suspicious alerts detected by the SIEM. She evaluates three key factors: the likelihood of an attack succeeding based on current threat intelligence, the impact on critical business operations if the breach occurs, and the value of the assets targeted (e.g., customer data, financial systems).

Using the standard risk assessment approach, which scenario represents the highest risk to the organization?

20. Daniel Clark is a cybersecurity specialist in the Cloud SOC for a government agency. His team needs a security solution that can enforce access policies to prevent unauthorized access to cloud-based applications, monitor and restrict data sharing within SaaS, PaaS, and IaaS environments, ensure compliance with government regulations for data security and privacy, and apply security controls to prevent sensitive data exposure in the cloud.

Which Cloud SOC technology is his team using?

21. At 10:30 AM, during routine monitoring, Tier 1 SOC analyst Jennifer detects unusual network traffic and confirms an active LockBit ransomware infection targeting systems in the finance department. She escalates to the SOC lead, Sarah, who activates the Incident Response Team (IRT) and instructs the network team to isolate the finance department’s VLAN to prevent further spread across the network.

Which phase of the Incident Response process is currently being implemented?

22. Mark Reynolds, a SOC analyst at a healthcare organization, is monitoring the SIEM system when he detects a potential security threat: a series of unusual login attempts targeting critical patient data servers. After investigating the alerts and collaborating with the incident response team, the SOC determines that the threat has a “Likely” chance of occurring and could cause “Significant” damage, including operational disruptions, financial loss due to data breaches, and regulatory penalties under HIPAA. Using a standard Risk Matrix, how would this risk be categorized in terms of overall severity?

23. Bob is a SOC analyst in a multinational corporation that relies on a centralized file-sharing system for storing confidential project documents. One morning, he notices that a few critical financial records stored on the shared server appear to have been altered without authorization. Version history confirms unexpected changes made outside business hours. Bob must investigate by inspecting logs.

Which log should he check to determine who accessed the files and when the modifications occurred?

24. During routine monitoring, the SIEM detects an unusual spike in outbound data transfer from a critical database server. The typical outbound traffic for this server is around 5 MB/hour, but in the past 10 minutes, it has sent over 500 MB to an external IP address. No predefined signatures match this activity, but the SIEM raises an alert due to deviations from the server’s normal behavior profile.

Which detection method is responsible for this alert?

25. TechSolutions, a software development firm, discovered a potential data leak after an external security researcher reported finding sensitive customer data on a public code repository. Level 1 SOC analysts confirmed the presence of the data and escalated the issue. Level 2 analysts traced the source of the leak to an internal network account. The incident response team has been alerted, and the CISO demands a comprehensive analysis of the incident, including the extent of the data breach and the timeline of events. The SOC manager must decide whom to assign to the in-depth investigation.

To accurately determine the timeline, extent, and root cause of the data leak, which SOC role is critical in gathering and analyzing digital evidence?

26. A large financial institution receives thousands of security logs daily from firewalls, IDS systems, and user authentication platforms. The SOC uses an AI-driven SIEM system with Natural Language Processing (NLP) capabilities to streamline threat detection. This enables faster response times, reduces manual rule creation, and helps detect advanced threats that traditional systems might overlook.

Which option best illustrates the advantage of NLP in SIEM?

27. A large financial institution has identified a sophisticated phishing campaign targeting employees, resulting in unauthorized access to sensitive customer data. The organization already uses a SIEM for log aggregation and alerting, alongside an EDR solution for endpoint visibility. Additionally, they have access to XDR for broader threat detection and XSOAR for security orchestration and automation. As a SOC analyst, you’ve been asked to recommend an integration strategy to improve real-time threat correlation, streamline incident response workflows, and maximize the use of existing tools.

Which integration would meet these goals?

28. One week after a ransomware attack disrupted operations, Sarah, a SOC analyst, leads a review meeting with the IT team, security engineers, and business unit representatives. The group reviews the incident timeline, calculates a business impact of $157,000 due to downtime and data loss, and

identifies seven critical improvements to enhance detection and response processes.

Which of the following Incident Response phase is this?

29. A SOC analyst detects multiple instances of powershell.exe being launched with the -ExecutionPolicy Bypass and -NoProfile arguments on a domain controller. The parent process is winrm.exe, and the activity occurs during non-business hours.

What should be the analyst’s primary focus?

30. A rapidly growing e-commerce company wants to implement a SIEM solution to improve its security posture and comply with PCI DSS requirements. They need a solution that offers both the necessary technological features and the expertise to manage the system effectively. They also need continuous compliance support and data security assistance.

Which SIEM solution is appropriate for this company?

31. An attacker attempts to gain unauthorized access to a secure network by repeatedly guessing login credentials. The SIEM is configured to generate an alert after detecting 10 consecutive failed login attempts within a short timeframe. However, the attacker successfully logs in on the 9th attempt, just before the threshold is reached, bypassing the alert mechanism. The security team only becomes aware of the incident after detecting suspicious activity post-login, highlighting a gap in the SIEM’s detection rules.

What type of alert classification does this represent?

32. A leading e-commerce company relies on backend servers for processing customer transactions. You are working with their cybersecurity team as a SOC analyst. One morning, you notice a sharp increase in CPU utilization on one of your backend servers. Your team scans and monitors the server and finds that an unknown process is running, consuming excessive resources. You further perform detailed forensic analysis and identify the presence of an unrecognized scheduled task that triggers a PowerShell script connecting to an unknown IP address.

What should you do to confirm whether this is an active attack?

33. A large financial organization has experienced an increase in sophisticated cyber threats, including zero-day attacks and APTs. Traditional detection relies heavily on signatures and manual intervention, causing delays. The CISO is exploring AI-driven solutions that can automatically analyze large datasets, detect anomalies, and adapt to evolving threats in real time―identifying suspicious activity without predefined signatures and with minimal human oversight.

Which key AI technology should the organization focus on?

34. The SOC team is investigating a phishing attack that targeted multiple employees. During the Containment Phase, they need to determine how users interacted with the malicious email: whether they opened it, clicked links, downloaded attachments, or entered credentials. This information is critical to assessing impact and preventing further compromise.

Which specific activity helps the SOC team understand user interactions with the phishing email?

35. You are part of a team of SOC analysts in a multinational organization that processes large volumes of security logs from various sources, including firewalls, IDS, and authentication servers. Your team is having difficulty detecting incidents because logs from different systems are analyzed in isolation, making it harder to link related events.

What approach should you implement for future investigations to automatically match related log events based on predefined rules?

36. A SOC analyst monitoring authentication logs detects a sudden and significant spike in failed login attempts targeting multiple critical servers during non-business hours. These repeated authentication failures are abnormal compared to typical login activity. All attempts originate from a single external IP address, indicating a targeted attack rather than random scanning. Some login attempts use legitimate employee usernames, suggesting credential stuffing using previously compromised credentials or an ongoing brute-force attempt.

Given this suspicious activity and its potential to escalate into unauthorized access, what is the appropriate next step in the threat-hunting process to assess the situation further?

37. A large financial services company has experienced increasing sophisticated threats targeting critical assets. The SOC primarily focuses on log collection and basic monitoring, but incidents revealed gaps in detecting and responding to advanced threats proactively. Management decides to adopt the SOC Capability Maturity Model (CMM). The initial assessment indicates the SOC is at Level 1, and the organization aims to reach Level 3 by enhancing incident response procedures, improving threat intelligence integration, establishing KPIs, automating triage, implementing behavior-based analytics, and creating continuous training.

Based on the SOC CMM, what should be the first priority in transitioning from Level 1 to Level 3?

38. A security analyst in a multinational corporation’s Threat Intelligence team is tasked with enhancing detection of stealthy malware infections. During an investigation, the analyst observes an unusually high volume of DNS requests directed toward domains that follow patterns commonly associated with Domain Generation Algorithms (DGAs). Recognizing that these automated domain queries could indicate malware attempting to establish communication with command-and-control (C2) infrastructure, the analyst realizes existing detection may be insufficient. The security team needs to define intelligence requirements, including identifying critical data sources, refining detection criteria, and improving monitoring strategies.

Which stage of the Cyber Threat Intelligence (CTI) process does this align with?

39. The SOC team is tasked with enhancing the security of an organization's network infrastructure. The organization's public-facing web servers, which handle customer transactions, need to be isolated from the internal private network containing sensitive employee data and proprietary systems. The goal is to create a buffer zone that limits exposure of internal systems if the web servers are compromised during a cyberattack, such as a DDoS or SQL injection attempt.

As a SOC analyst, which network architecture component would you recommend implementing to establish this isolated region?

40. You are working as a SOC analyst for a cloud-based service provider that relies on PostgreSQL databases to store critical customer data. During a security review, you discover that logs are not being generated for failed authentication attempts, slow queries, or database errors. This lack of visibility is making it difficult to detect threats and investigate suspicious activity. To ensure PostgreSQL captures and stores logs for centralized monitoring and forensic analysis, which configuration parameter should you enable?