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| Section | Objectives |
|---|---|
| Topic 1: Security Operations and SOC Fundamentals | - Log management and analysis
|
| Topic 2: Threat Intelligence and Cyber Threat Analysis | - Attack techniques and frameworks
|
| Topic 3: Incident Detection and Response | - SIEM operations
|
>> EC-COUNCIL 312-39模擬試験最新版 <<
ある種の学習Webサイトにいるとき、Webページのデザインは合理的ではなく、あまりに多くの情報を急いで配置するため、目がくらむことがよくあります。 312-39テスト準備のレッスンを吸収して、すべての種類の認定試験分類レイアウトになります。同時に312-39テスト資料のフロントページにはテストモジュールの分類が明確であるため、ページのデザインが非常に便利です。ユーザーは、非常に短い時間でユーザーが学習したいものを見つけることができるようにし、学習のターゲットを絞ることができます。
質問 # 38
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?
正解：B
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 # 39
An attacker exploits the logic validation mechanisms of an e-commerce website. He successfully purchases a product worth $100 for $10 by modifying the URL exchanged between the client and the server.
Original
URL: http://www.buyonline.com/product.aspx?profile=12
&debit=100
Modified URL: http://www.buyonline.com/product.aspx?profile=12
&debit=10
Identify the attack depicted in the above scenario.
正解：B
解説：
The scenario described involves an attacker modifying the URL parameters to alter the price of a product, which is a classic example of a Parameter Tampering attack. This type of attack occurs when an attacker manipulates parameters exchanged between client and server in order to modify application data, such as user credentials, permissions, and price of products, as seen in this case.
The original URL indicates that the product price (debit) is set to $100. The attacker has modified this parameter value to $10 in the modified URL, thus exploiting the logic validation mechanism of the e-commerce website to purchase the product at a lower price. This manipulation of parameters is indicative of a Parameter Tampering attack, which is a form of web-based attack where the properties of a web application are altered to achieve unintended outcomes by the attacker.
References: The EC-Council's Certified SOC Analyst (CSA) course material covers various types of cyber attacks, including Parameter Tampering. The CSA study guides and resources provide detailed information on how to identify and respond to such attacks, emphasizing the importance of validating and sanitizing all inputs and parameters to prevent exploitation.
質問 # 40
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?
正解：D
解説：
The strongest "must-be-true" confirmation for an active attack in this scenario is evidence of command-and- control (C2) or other suspicious external communication. You already have a scheduled task launching PowerShell and attempting to connect to an unknown IP address, which is a high-signal indicator of malicious automation. The fastest way to validate ongoing activity is to analyze network telemetry (firewall/proxy logs, netflow, EDR network events) to confirm whether outbound connections are occurring, how frequently, and whether data is being transferred. Network logs can reveal destination IP/port, protocols, connection success
/failure, volume, and timing correlation with the scheduled task triggers. File integrity checks and system logs are useful for understanding persistence and modifications, but they may lag behind or miss short-lived network beacons. User access logs help attribute activity but do not directly confirm an active external control channel. From a SOC triage and containment perspective, confirming external connections enables immediate actions such as blocking the destination, isolating the host, and scoping for other systems contacting the same IPs/domains. Therefore, network log analysis is the most direct next step to confirm active malicious behavior.
質問 # 41
In which log collection mechanism, the system or application sends log records either on the local disk or over the network.
正解：D
解説：
In a push-based log collection mechanism, the system or application actively sends (or "pushes") log records to a designated storage location, which can be either on the local disk or over a network to a remote server.
This is in contrast to a pull-based mechanism, where the log records are retrieved (or "pulled") by the management server from the devices.
The push-based mechanism is often used for real-time monitoring and alerting because it allows for immediate transfer of log data as events occur. This method ensures that log records are consistently and reliably sent to a central repository without the need for a third-party service to request or retrieve them.
References: The EC-Council's Certified SOC Analyst (CSA) program includes the study of various log collection mechanisms as part of its curriculum. The CSA study materials provide detailed explanations of push-based and other log collection mechanisms, emphasizing their role in effective security operations center (SOC) monitoring and incident response. For further information, please refer to the official EC-Council CSA study guides and related course materials.
質問 # 42
Which of the following is a default directory in a Mac OS X that stores security-related logs?
正解：A
質問 # 43
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