[2024年09月]更新の312-39試験資料EC-COUNCIL学習ガイド
有効な問題最新版を試そう312-39テスト解釈312-39有効な試験ガイド
EC-COUNCIL 312-39 認定試験は、サイバーセキュリティのキャリアを追求したい個人にとって絶好の機会です。この認定試験は、候補者が認定されたSOCアナリスト（CSA）になるために必要なスキルを提供し、今日のデジタル世界で増加するサイバーセキュリティの脅威や攻撃に対処するための装備を保証します。
認定SOCアナリスト（CSA）認定は、グローバルに認識される高度なレベルの認定です。組織のSOC内のサイバーセキュリティの脅威の監視、検出、および対応を担当するIT専門家向けに設計されています。認定試験では、脅威インテリジェンス、インシデント対応、脆弱性管理、ネットワークセキュリティ監視など、幅広いトピックをカバーしています。
質問 # 36
Ray is a SOC analyst in a company named Queens Tech. One Day, Queens Tech is affected by a DoS/DDoS attack. For the containment of this incident, Ray and his team are trying to provide additional bandwidth to the network devices and increasing the capacity of the servers.
What is Ray and his team doing?
- A. Degrading the services
- B. Blocking the Attacks
- C. Diverting the Traffic
- D. Absorbing the Attack
正解：D
解説：
When a SOC team, like the one Ray is part of, provides additional bandwidth to network devices and increases the capacity of servers in response to a DoS/DDoS attack, they are implementing a strategy known as
'absorbing the attack'. This approach involves scaling up resources to handle the increased load without disrupting normal services. Here's how it works:
* Increase Bandwidth: By increasing the bandwidth, the network can handle more traffic, which is essential when under a DoS/DDoS attack, as these attacks often flood the network with excessive traffic to overwhelm it.
* Enhance Server Capacity: Similarly, increasing server capacity allows the servers to handle more requests simultaneously. This is crucial during an attack to maintain service availability.
* Maintain Service Availability: The goal of this strategy is to keep services running and available to legitimate users, even when under attack.
* Monitor and Analyze: While absorbing the attack, it's important to monitor network traffic and analyze the attack patterns, which can help in future prevention and mitigation strategies.
References: This answer is aligned with the best practices for DoS/DDoS attack response as outlined in EC-Council's Certified SOC Analyst (CSA) training and certification program1234.
Please note that while I strive to provide accurate information, it's always best to consult the latest EC-Council SOC Analyst documents and learning resources for the most current and detailed guidance.
質問 # 37
John, a SOC analyst, while monitoring and analyzing Apache web server logs, identified an event log matching Regex /(\.|(%|%25)2E)(\.|(%|%25)2E)(\/|(%|%25)2F|\\|(%|%25)5C)/i.
What does this event log indicate?
- A. Parameter Tampering Attack
- B. SQL injection Attack
- C. Directory Traversal Attack
- D. XSS Attack
正解：D
質問 # 38
Identify the attack in which the attacker exploits a target system through publicly known but still unpatched vulnerabilities.
- A. Zero-Day Attack
- B. Slow DoS Attack
- C. DNS Poisoning Attack
- D. DHCP Starvation
正解：A
質問 # 39
Which of the following is a default directory in a Mac OS X that stores security-related logs?
- A. /Library/Logs/Sync
- B. /private/var/log
- C. /var/log/cups/access_log
- D. ~/Library/Logs
正解：B
解説：
The default directory in Mac OS X that stores security-related logs is /private/var/log. This directory is used by the system to keep various log files, which include security-related information. These logs can provide valuable insights for a Security Operations Center (SOC) analyst when monitoring and analyzing security events on Mac OS systems.
References: The EC-Council's Certified SOC Analyst (CSA) program covers the importance of understanding the logging mechanisms of different operating systems, including Mac OS X. The /private/var/log directory is a critical location for SOC analysts to monitor, as it contains logs that can be used to track security incidents and anomalies12.
質問 # 40
Which of the following threat intelligence helps cyber security professionals such as security operations managers, network operations center and incident responders to understand how the adversaries are expected to perform the attack on the organization, and the technical capabilities and goals of the attackers along with the attack vectors?
- A. Strategic Threat Intelligence
- B. Operational Threat Intelligence
- C. Analytical Threat Intelligence
- D. Tactical Threat Intelligence
正解：B
解説：
Operational Threat Intelligence is focused on the specifics of imminent or ongoing attacks. It provides insights into the nature of the threat, the identity of the attackers (if known), their motivation, capabilities, and objectives, as well as the tactics, techniques, and procedures (TTPs) they are likely to use. This type of intelligence is crucial for security operations managers, network operations center personnel, and incident responders because it allows them to understand and anticipate the attackers' moves, prepare specific defenses, and respond effectively to incidents.
References: The EC-Council's Certified Threat Intelligence Analyst (C|TIA) program covers the use of Operational Threat Intelligence within a SOC environment. The program emphasizes the importance of understanding and utilizing threat intelligence to predict and mitigate cyber threats. The Certified SOC Analyst (C|SA) training also discusses the role of threat intelligence in SOC operations, including Operational Threat Intelligence12.
質問 # 41
Which of the following framework describes the essential characteristics of an organization's security engineering process that must exist to ensure good security engineering?
- A. SOC-CMM
- B. SSE-CMM
- C. COBIT
- D. ITIL
正解：B
質問 # 42
Emmanuel is working as a SOC analyst in a company named Tobey Tech. The manager of Tobey Tech recently recruited an Incident Response Team (IRT) for his company. In the process of collaboration with the IRT, Emmanuel just escalated an incident to the IRT.
What is the first step that the IRT will do to the incident escalated by Emmanuel?
- A. Incident Prioritization
- B. Incident Classification
- C. Incident Recording
- D. Incident Analysis and Validation
正解：D
解説：
When an incident is escalated to the Incident Response Team (IRT), the first step they undertake is Incident Analysis and Validation. This step is crucial to ensure that the incident is genuine and to understand its nature and scope. The IRT will analyze the information provided by the SOC analyst, validate the incident against known patterns or indicators of compromise, and gather additional information if necessary. This initial analysis helps in determining the severity of the incident and guides the subsequent steps in the incident response process.
References:
* The Key Role of Incident Response Teams (IRTs) - Zenduty1
* A Practical Approach to Incident Management Escalation - Exigence2
* ITIL Incident Management: Best Practices for Escalation and Resolution - LinkedIn3
質問 # 43
Which of the following technique involves scanning the headers of IP packets leaving a network to make sure that the unauthorized or malicious traffic never leaves the internal network?
- A. Egress Filtering
- B. Throttling
- C. Ingress Filtering
- D. Rate Limiting
正解：A
質問 # 44
An organization is implementing and deploying the SIEM with following capabilities.
What kind of SIEM deployment architecture the organization is planning to implement?
- A. Self-hosted, MSSP Managed
- B. Self-hosted, Self-Managed
- C. Self-hosted, Jointly Managed
- D. Cloud, MSSP Managed
正解：B
解説：
質問 # 45
According to the Risk Matrix table, what will be the risk level when the probability of an attack is very low and the impact of that attack is major?
- A. Extreme
- B. Medium
- C. High
- D. Low
正解：D
解説：
In a Risk Matrix, risk levels are determined by the intersection of the likelihood of an event occurring and the impact that event would have if it did occur. When the probability of an attack is very low, it means that the event is unlikely to happen. However, if the impact of that attack is major, it suggests that the event would have significant consequences if it did occur.
The combination of a very low probability with a major impact typically results in a low risk level. This is because the overall risk is mitigated by the low chance of the event happening, despite the potential for a significant impact. Therefore, even though the impact is major, the risk level is kept low due to the very low likelihood of occurrence.
References: The EC-Council's Certified SOC Analyst (CSA) program covers the concepts of risk assessment and the use of Risk Matrices. The CSA study materials and courses provide detailed explanations on how to evaluate and categorize risks based on their probability and impact, aligning with industry-standard practices123.
質問 # 46
Sam, a security analyst with INFOSOL INC., while monitoring and analyzing IIS logs, detected an event matching regex /\\w*((\%27)|(\'))((\%6F)|o|(\%4F))((\%72)|r|(\%52))/ix.
What does this event log indicate?
- A. SQL Injection Attack
- B. Parameter Tampering Attack
- C. Directory Traversal Attack
- D. XSS Attack
正解：A
解説：
The regex pattern /\\w*((\%27)|(\'))((\%6F)|o|(\%4F))((\%72)|r|(\%52))/ix is designed to detect SQL injection attacks. The pattern looks for common SQL injection payloads which typically include an apostrophe or single quote character (' or %27 when URL-encoded) followed by a logical operator OR (represented by o, %6F, O, %4F, r, %72, R, %52). SQL injection attacks involve inserting or "injecting" a SQL query via the input data from the client to the application. A successful SQL injection exploit can read sensitive data from the database, modify database data (Insert/Update/Delete), execute administration operations on the database (such as shutdown the DBMS), recover the content of a given file present on the DBMS file system, and in some cases, issue commands to the operating system.
References: The explanation provided is based on standard practices of monitoring and analyzing IIS logs for security threats. Information about the regex pattern used for detecting SQL injection attacks can be found in various cybersecurity resources, including OWASP's guide on Testing for SQL Injection1 and Microsoft's documentation on IIS logging2. These resources explain how regex patterns are used to identify potential security threats in log files and the importance of monitoring logs for unusual patterns that may indicate an attack.
質問 # 47
According to the Risk Matrix table, what will be the risk level when the probability of an attack is very high, and the impact of that attack is major?
NOTE: It is mandatory to answer the question before proceeding to the next one.
- A. Low
- B. Medium
- C. High
- D. Extreme
正解：D
解説：
In a Risk Matrix, risk levels are determined by the intersection of the likelihood of an occurrence (probability) and the consequence of that occurrence (impact). When the probability of an event is very high and the impact is major, it typically falls into the 'Extreme' category. This is because the combination of a high likelihood and major impact represents a scenario where the risk is unacceptable and requires immediate attention and mitigation measures.
References: The EC-Council's Certified SOC Analyst (CSA) course materials and study guides provide detailed information on assessing risks using a Risk Matrix. The course emphasizes the importance of understanding the Risk Matrix for effective security operations center (SOC) analysis. For more in-depth information, refer to the official EC-Council CSA study materials and resources12.
質問 # 48
A type of threat intelligent that find out the information about the attacker by misleading them is known as
.
- A. Counter Intelligence
- B. Detection Threat Intelligence
- C. Operational Intelligence
- D. Threat trending Intelligence
正解：A
解説：
質問 # 49
Identify the event severity level in Windows logs for the events that are not necessarily significant, but may indicate a possible future problem.
- A. Warning
- B. Error
- C. Information
- D. Failure Audit
正解：A
質問 # 50
Properly applied cyber threat intelligence to the SOC team help them in discovering TTPs.
What does these TTPs refer to?
- A. Tactics, Targets, and Process
- B. Targets, Threats, and Process
- C. Tactics, Techniques, and Procedures
- D. Tactics, Threats, and Procedures
正解：C
解説：
TTPs in the context of cybersecurity and SOC (Security Operations Center) refer to the patterns of activities or methods associated with a specific threat actor or group of threat actors. Understanding TTPs is crucial for the SOC team as it allows them to identify, prepare, and respond to potential threats more effectively. Here's a breakdown of the term:
* Tactics: The adversary's overall strategy or the 'what' they are trying to accomplish.
* Techniques: The general methods the adversary uses to achieve their tactical goals.
* Procedures: The specific, detailed methods the adversary employs, which can include tools, scripts, commands, and sequences of actions.
By analyzing TTPs, SOC teams can develop a more proactive defense posture, anticipate likely attack methods, and implement appropriate countermeasures.
References: The EC-Council's Certified SOC Analyst (CSA) program covers the fundamentals of SOC operations, including the identification and validation of intrusion attempts, which would involve understanding TTPs12. This program is designed for current and aspiring Tier I and Tier II SOC analysts to achieve proficiency in performing entry-level and intermediate-level operations, where the knowledge of TTPs is essential12.
質問 # 51
Daniel is a member of an IRT, which was started recently in a company named Mesh Tech. He wanted to find the purpose and scope of the planned incident response capabilities.
What is he looking for?
- A. Incident Response Vision
- B. Incident Response Intelligence
- C. Incident Response Mission
- D. Incident Response Resources
正解：D
質問 # 52
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