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| Section | Objectives |
|---|---|
| Security Operations and SOC Fundamentals | - Log management and analysis
|
| Threat Intelligence and Cyber Threat Analysis | - Threat intelligence lifecycle
|
| Incident Detection and Response | - SIEM operations
|
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NEW QUESTION # 15
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?
Answer: A
Explanation:
Egress filtering is a network security measure that involves scanning the headers of IP packets as they leave a network. The purpose of this technique is to ensure that unauthorized or malicious traffic does not exit the internal network. This is achieved by implementing rules that define which types of traffic are allowed to leave the network. By filtering outgoing traffic, egress filtering helps prevent data exfiltration and blocks the communication of malware with external command-and-control servers.
References: The EC-Council's Certified SOC Analyst (CSA) program covers the fundamentals of SOC operations, including the importance of egress filtering in protecting a network's perimeter. The CSA training and credentialing program provides in-depth knowledge on various SOC processes, such as log management, SIEM deployment, incident detection, and response, which includes the implementation of egress filtering as a security control12.
NEW QUESTION # 16
Which of the following factors determine the choice of SIEM architecture?
Answer: D
Explanation:
The choice of SIEM architecture is influenced by several factors that impact how the SIEM system will collect, manage, and analyze data. Among the options provided, Network Topology is the most relevant factor. It determines the layout of the network, including the arrangement of nodes and the connections between them, which directly affects how the SIEM system will be integrated into the environment. A well-designed network topology ensures that the SIEM system can efficiently collect and correlate data from across the network.
SMTP Configuration, DHCP Configuration, and DNS Configuration are related to specific services and protocols that may be monitored by a SIEM, but they do not determine the choice of SIEM architecture itself.
References: For further understanding, you can refer to the EC-Council's Certified SOC Analyst course material and study guides, which provide detailed insights into SIEM architectures and the factors influencing their selection. Additionally, resources like Exabeam's "SIEM Architecture: Technology, Process and Data" offer a comprehensive overview of SIEM systems and their components1.
NEW QUESTION # 17
John, SOC analyst wants to monitor the attempt of process creation activities from any of their Windows endpoints.
Which of following Splunk query will help him to fetch related logs associated with process creation?
Answer: A
Explanation:
)ComprehensiveDetailedStepbyStepExplanation:InWindowssecurityeventlogs, EventCode4688signifiesaprocesscreationevent.TheSplunkquery'index=windowsLogName=SecurityEventCode
=4688NOT(AccountName=)is used to fetch logs related to process creation activities. This query filters the logs to only show events where a new process has been created, which is indicated by EventCode 4688. The NOT (Account_Name=$)` part of the query excludes any events where the account name ends with a dollar sign, which typically represents a machine or service account.
References: The EC-Council's Certified SOC Analyst (CSA) program provides detailed knowledge on security operation center (SOC) operations, including log management and correlation, SIEM deployment, advanced incident detection, and incident response. The CSA course materials and study guides cover the use of Splunk for monitoring and analyzing security events, which would include the creation of such queries for process creation monitoring1
NEW QUESTION # 18
DNS logs in the SIEM show an internal host sending many DNS queries with long, encoded subdomains to an external domain. The queries predominantly use TXT records and occur during off-business hours. The external domain is newly registered and has no known business association. Which option best explains this behavior?
Answer: A
Explanation:
The described pattern is highly consistent with DNS tunneling used for command-and-control or data exfiltration. Long, encoded subdomains are commonly used to embed data into DNS queries because DNS labels can carry arbitrary text that can be base32/base64/hex encoded. TXT records are frequently abused in tunneling because they can return larger payloads and are flexible for exchanging data between malware and an external resolver or authoritative DNS infrastructure controlled by an attacker. The fact that this occurs off- hours and targets a newly registered domain with no business relationship increases suspicion and reduces the likelihood of legitimate use. DNS cache poisoning attempts would typically show anomalies in resolver behavior, unexpected DNS responses, or mismatched records, not a high volume of encoded outbound queries from a single internal host. Rogue DNS servers would present as internal hosts acting as resolvers or responding to many DNS queries, not sending encoded TXT queries outward. Legitimate record validation might involve standard query types (A/AAAA/CNAME) and normal domain names, not long encoded subdomains. For SOC triage, the next steps would include identifying the originating process/host, blocking the domain, capturing related network flows, and scoping for other hosts with similar DNS patterns.
NEW QUESTION # 19
Which of the following is a set of standard guidelines for ongoing development, enhancement, storage, dissemination and implementation of security standards for account data protection?
Answer: B
Explanation:
PCI-DSS stands for Payment Card Industry Data Security Standard. It is a set of security standards designed to ensure that all companies that accept, process, store, or transmit credit card information maintain a secure environment. The PCI-DSS is a widely recognized set of guidelines that includes requirements for security management, policies, procedures, network architecture, software design, and other critical protective measures. This comprehensive standard is intended to help organizations proactivelyprotect customer account data.
References: The EC-Council's Certified SOC Analyst (CSA) course materials and study guides include information on various security standards, including PCI-DSS, which is specifically focused on the protection of account data. The course would cover the importance of adhering to such standards to ensure the security and integrity of sensitive payment card information1234.
Reference: https://library.educause.edu/topics/policy-and-law/pci-dss
NEW QUESTION # 20
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