최신 Security Operations Generalist SecOps-Pro 무료샘플문제:

1. During an incident response engagement, a forensic investigator discovers a persistent threat actor using a custom command-and- control (C2) protocol over port 53 (DNS). The existing SIEM logs show only generic DNS queries. To gain a comprehensive understanding of the adversary's TTPs (Tactics, Techniques, and Procedures), including their C2 infrastructure, exploit development, and motivation, and to proactively block future attacks, which combination of resources would be most beneficial?

A) WildFire for malware detonation and real-time signature generation, coupled with extensive Unit
42 research reports and adversary playbooks.
B) Employing a commercial Endpoint Detection and Response (EDR) solution without integrating threat intelligence feeds.
C) Passive DNS reconnaissance and WHOIS lookups for the C2 domains.
D) VirusTotal for file hash lookups and open-source intelligence blogs for general threat trends.
E) Deep packet inspection of all network traffic and manual reverse engineering of all suspicious binaries.

2. An organization is using a bespoke vulnerability management system that integrates with Palo Alto Networks Panorama for firewall rule management and XSOAR for incident orchestration. A new zero-day vulnerability (CVE-2023-XXXX) affecting a critical web application is disclosed. The vulnerability management system flags all instances of this application. For effective incident categorization and prioritization, what dynamic attributes or processes are crucial to incorporate, going beyond mere vulnerability detection?

A) Leveraging external threat intelligence feeds (e.g., Unit 42, CISA KEV) to confirm active exploitation of CVE-2023-XXXX in the wild, correlating with observed network traffic (e.g., Palo Alto Networks firewall logs for unusual HTTP requests), and assessing the business impact of the specific web application.
B) Prioritizing remediation based solely on the operating system of the affected server, as OS-level vulnerabilities are always most critical.
C) The CVSS score of the CVE and the number of affected instances. While important, these are static at disclosure and don't reflect environmental factors or active exploitation.
D) Ignoring the vulnerability until a patch is released, as immediate action is often disruptive.
E) Assigning all alerts related to CVE-2023-XXXX to the highest priority, irrespective of whether the application is internet-facing or handles sensitive data.

3. A sophisticated APT group is observed to be rapidly developing and deploying new malware variants. Your organization needs to not only identify these new variants but also understand their attack chains, and proactively update security controls, specifically Palo Alto Networks Next- Generation Firewalls (NGFWs), to block them before they reach endpoints. Given this scenario, which of the following operational flows represents the most effective and efficient integration of threat intelligence sources to achieve this goal?

A) Relying solely on firewall vendor-provided signatures and performing weekly manual updates of the threat prevention profiles on the NGFWs.
B) Submitting suspicious files to VirusTotal for community-driven analysis, then manually creating custom URL categories on the NGFW based on VirusTotal findings.
C) Prioritizing endpoint security solutions over network-level prevention, as APTs primarily target endpoints.
D) Leveraging WildFire for automated dynamic analysis of unknown files, where new malware signatures are automatically pushed to NGFWs, and subscribing to Unit 42 threat intelligence for context on emerging threats and TTPs.
E) Implementing an open-source sandbox for malware analysis and using STIX/TAXII feeds to ingest IOCs, which are then manually imported into the NGFW as external dynamic lists.

4. What is a benefit of using Unit 42 threat intelligence during a ransomware attack?

A) It provides detailed research on the ransomware, including its behavior and attack methods, to enhance the response strategy.
B) It offers real-time network traffic analysis to detect and block ransomware spread in the company network.
C) It creates compliance reports to confirm that the company meets regulatory requirements following the ransomware attack.
D) It manually configures security agents across all company endpoints to ensure the ransomware has been effectively contained.

5. Where can an analyst look to determine the root cause of a causality chain?

A) Behavioral indicators of compromise (BIOCs)
B) Causality Group Owner (CGO)
C) Root cause analysis
D) Indicators of compromise (IOCs)

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