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| Section | Weight | Objectives |
|---|---|---|
| SOC Process and Workflow | 20% | - Incident Detection and Analysis
|
| Enhanced Incident Detection with Threat Intelligence | 20% | - Threat Hunting
|
| SOC Infrastructure and Threat Intelligence | 15% | - Threat Intelligence
|
| Data Analysis and SIEM | 25% | - SIEM Operations
|
| Incident Response and Forensics | 20% | - Incident Response Planning
|
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133. Frage
Pearl is a Level 1 SOC analyst at a global financial institution using SQL Server to store sensitive customer information. She investigates an alert showing multiple failed web app logins from the same IP, followed by a successful login as a server administrator. She then reviews SQL Server logs and finds the attacker used compromised credentials to access the SQL Server database. Which log will help identify whether the intruder performed unauthorized modifications in the database?
Antwort: C
Begründung:
The SQL Server transaction log records changes made to the database, including data modifications (INSERT
/UPDATE/DELETE) and many schema-related operations, supporting reconstruction of what changed and when. For unauthorized modifications, the transaction log provides the strongest evidence trail because it is tied to the database engine's durability mechanism and captures the sequence of committed actions. In SOC investigations, transaction log analysis helps determine whether data was altered, which tables were impacted, and the time window of changes. Security logs or SQL Server security-related events help with authentication
/authorization and may show login activity, but they do not reliably enumerate every data modification.
Maintenance logs relate to scheduled maintenance tasks (backups, index rebuilds) and are not designed to capture unauthorized content changes. Audit logs can be extremely useful if SQL Server auditing is configured to capture specific actions and statements, but the question asks which log helps identify whether modifications occurred; the transaction log is the baseline record of actual database changes. In practice, SOC teams correlate transaction log evidence with authentication logs, application logs, and potentially SQL auditing to attribute actions to accounts and sessions, then scope and remediate.
134. Frage
Identify the attack, where an attacker tries to discover all the possible information about a target network before launching a further attack.
Antwort: B
Begründung:
A Reconnaissance Attack is a type of cyber attack where the attacker engages in activities to gather information about a target network before launching further attacks. This preliminary phase involves collecting data that could include network infrastructure details, system vulnerabilities, and other critical information that could be exploited in subsequent stages of an attack. Reconnaissance can be both passive, involving information gathering without directly interacting with the target system, or active, which may include more direct methods like port scanning.
References:The concept of Reconnaissance Attacks is detailed in EC-Council's cybersecurity resources, such as the Certified Threat Intelligence Analyst (C|TIA) program and articles on the Cyber Kill Chain, which describe reconnaissance as the first stage in a cyber attack12. These resources outline the methodologies and types of information gathered during reconnaissance, emphasizing its role in identifying potential attack vectors12.
135. Frage
Jannet works in a multinational corporation that operates multiple data centers, cloud environments, and on- premises systems. As a SOC analyst, she notices that security incidents are taking too long to detect and investigate. After analyzing this, she discovers that logs from firewalls, endpoint security solutions, authentication servers, and cloud applications are scattered across different systems in various formats. Her team has to manually convert logs into a readable format before investigating incidents. What approach should she implement to accept logs from heterogeneous sources with different formats, convert them into a common format, and improve incident detection and response time?
Antwort: A
Begründung:
Log normalization is the key step that converts heterogeneous logs into a consistent, common schema so analysts and detections can reliably query and correlate events. In real SOC workflows, different sources use different field names, timestamp formats, severity labels, and value conventions (for example, "src_ip" vs
"SourceIP," "user" vs "AccountName"). Normalization standardizes these into consistent fields (time, host, user, source/destination, action, outcome), enabling rule logic and dashboards to work across vendors without constant manual translation. Log collection is simply getting logs into a central place; it does not guarantee they are usable or consistent. Log transformation is a broader term that can include parsing or enrichment, but normalization is the specific practice of mapping diverse formats into a common model. Log correlation comes after normalization; correlation links related events (e.g., failed logons + suspicious process + outbound beaconing) and depends on normalized data to work well. Since the problem is explicitly "multiple formats" and manual conversion delays investigation, the best solution is normalization to accelerate triage, reduce query complexity, and improve detection fidelity.
136. Frage
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?
Antwort: A
Begründung:
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.
137. Frage
David is a SOC analyst responsible for monitoring critical infrastructure. He detects unauthorized applications running on a high-privilege Windows server accessible only by a restricted set of users. The applications were not part of approved deployments, and installations occurred outside business hours. Logs indicate potential system configuration changes around the same timeframe. Which log should he examine to determine when and how these installations occurred?
Antwort: C
Begründung:
The Setup event log is the most relevant Windows log for installation activity because it captures events related to software installation, servicing, and setup operations. For unauthorized application installs, the SOC needs timing, installer context, and evidence of package deployment or configuration changes driven by setup processes. The Setup log can contain MSI and update-related events, component installation records, and indications of system changes tied to installation workflows. The Security log is crucial for attribution (logons, privilege use, process creation if enabled), but it is not specifically focused on installer actions and may not capture full installation details unless advanced auditing is configured. The System log focuses on OS-level service and driver events (boot, service start/stop, hardware/driver issues) and may show related changes but is not the primary installation record. The Application log captures events written by applications themselves, which is inconsistent for installer tracing. In SOC practice, analysts often combine Setup log evidence with Security log context (who logged on, elevated rights, process lineage) and endpoint telemetry to identify the actor and technique, but the best single log for "when and how installs occurred" among these options is the Setup event log.
138. Frage
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