XDR-Analyst Questions & Valid XDR-Analyst Test Camp

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Palo Alto Networks XDR-Analyst Exam Syllabus Topics:

TopicDetails
Topic 1
  • Endpoint Security Management: This domain addresses managing endpoint prevention profiles and policies, validating agent operational states, and assessing the impact of agent versions and content updates.
Topic 2
  • Incident Handling and Response: This domain focuses on investigating alerts using forensics, causality chains and timelines, analyzing security incidents, executing response actions including automated remediation, and managing exclusions.
Topic 3
  • Data Analysis: This domain encompasses querying data with XQL language, utilizing query templates and libraries, working with lookup tables, hunting for IOCs, using Cortex XDR dashboards, and understanding data retention and Host Insights.
Topic 4
  • Alerting and Detection Processes: This domain covers identifying alert types and sources, prioritizing alerts through scoring and custom configurations, creating incidents, and grouping alerts with data stitching techniques.

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Palo Alto Networks XDR Analyst Sample Questions (Q86-Q91):

NEW QUESTION # 86
Which of the following represents the correct relation of alerts to incidents?

Answer: A

Explanation:
The correct relation of alerts to incidents is that alerts with same causality chains that occur within a given time frame are grouped together into an incident. A causality chain is a sequence of events that are related to the same malicious activity, such as a malware infection, a lateral movement, or a data exfiltration. Cortex XDR uses a set of rules that take into account different attributes of the alerts, such as the alert source, type, and time period, to determine if they belong to the same causality chain. By grouping related alerts into incidents, Cortex XDR reduces the number of individual events to review and provides a complete picture of the attack with rich investigative details1.
Option A is incorrect, because alerts with the same host are not necessarily grouped together into one incident in a given time frame. Alerts with the same host may belong to different causality chains, or may be unrelated to any malicious activity. For example, if a host has a malware infection and a network anomaly, these alerts may not be grouped into the same incident, unless they are part of the same attack.
Option B is incorrect, because alerts that occur within a three hour time frame are not always grouped together into one incident. The time frame is not the only criterion for grouping alerts into incidents. Alerts that occur within a three hour time frame may belong to different causality chains, or may be unrelated to any malicious activity. For example, if a host has a file download and a registry modification within a three hour time frame, these alerts may not be grouped into the same incident, unless they are part of the same attack.
Option D is incorrect, because every alert does not create a new incident. Creating a new incident for every alert would result in alert fatigue and inefficient investigations. Cortex XDR aims to reduce the number of incidents by grouping related alerts into one incident, based on their causality chains and other attributes.
Reference:
Palo Alto Networks Certified Detection and Remediation Analyst (PCDRA) Study Guide, page 9 Palo Alto Networks Cortex XDR Documentation, Incident Management Overview2 Cortex XDR: Stop Breaches with AI-Powered Cybersecurity1


NEW QUESTION # 87
Phishing belongs to which of the following MITRE ATT&CK tactics?

Answer: A

Explanation:
Phishing is a technique that belongs to two MITRE ATT&CK tactics: Reconnaissance and Initial Access. Reconnaissance is the process of gathering information about a target before launching an attack. Phishing for information is a sub-technique of Reconnaissance that involves sending phishing messages to elicit sensitive information that can be used during targeting. Initial Access is the process of gaining a foothold in a network or system. Phishing is a sub-technique of Initial Access that involves sending phishing messages to execute malicious code on victim systems. Phishing can be used for both Reconnaissance and Initial Access depending on the objective and content of the phishing message. Reference:
Phishing, Technique T1566 - Enterprise | MITRE ATT&CK 1
Phishing for Information, Technique T1598 - Enterprise | MITRE ATT&CK 2 Phishing for information, Part 2: Tactics and techniques 3 PHISHING AND THE MITREATT&CK FRAMEWORK - EnterpriseTalk 4 Initial Access, Tactic TA0001 - Enterprise | MITRE ATT&CK 5


NEW QUESTION # 88
Cortex XDR is deployed in the enterprise and you notice a cobalt strike attack via an ongoing supply chain compromise was prevented on 1 server. What steps can you take to ensure the same protection is extended to all your servers?

Answer: D

Explanation:
The best step to ensure the same protection is extended to all your servers is to create indicators of compromise (IOCs) of the malicious files you have found to prevent their execution. IOCs are pieces of information that indicate a potential threat or compromise on an endpoint, such as file hashes, IP addresses, domain names, or registry keys. You can create IOCs in Cortex XDR to block or alert on any file or network activity that matches the IOCs. By creating IOCs of the malicious files involved in the cobalt strike attack, you can prevent them from running or spreading on any of your servers.
The other options are not the best steps for the following reasons:
A is not the best step because conducting a thorough Endpoint Malware scan may not detect or prevent the cobalt strike attack if the malicious files are obfuscated, encrypted, or hidden. Endpoint Malware scan is a feature of Cortex XDR that allows you to scan endpoints for known malware and quarantine any malicious files found. However, Endpoint Malware scan may not be effective against unknown or advanced threats that use evasion techniques to avoid detection.
B is not the best step because enabling DLL Protection on all servers may cause some false positives and disrupt legitimate applications. DLL Protection is a feature of Cortex XDR that allows you to block or alert on any DLL loading activity that matches certain criteria, such as unsigned DLLs, DLLs loaded from network locations, or DLLs loaded by specific processes. However, DLL Protection may also block or alert on benign DLL loading activity that is part of normal system or application operations, resulting in false positives and performance issues.
C is not the best step because enabling Behavioral Threat Protection (BTP) with cytool may not prevent the attack from spreading if the malicious files are already on the endpoints or if the attack uses other methods to evade detection. Behavioral Threat Protection is a feature of Cortex XDR that allows you to block or alert on any endpoint behavior that matches certain patterns, such as ransomware, credential theft, or lateral movement. Cytool is a command-line tool that allows you to configure and manage the Cortex XDR agent on the endpoint. However, Behavioral Threat Protection may not prevent the attack from spreading if the malicious files are already on the endpoints or if the attack uses other methods to evade detection, such as encryption, obfuscation, or proxy servers.
Reference:
Create IOCs
Scan an Endpoint for Malware
DLL Protection
Behavioral Threat Protection
Cytool for Windows


NEW QUESTION # 89
If you have an isolated network that is prevented from connecting to the Cortex Data Lake, which type of Broker VM setup can you use to facilitate the communication?

Answer: B

Explanation:
If you have an isolated network that is prevented from connecting to the Cortex Data Lake, you can use the Local Agent Proxy setup to facilitate the communication. The Local Agent Proxy is a type of Broker VM that acts as a proxy server for the Cortex XDR agents that are deployed on the isolated network. The Local Agent Proxy enables the Cortex XDR agents to communicate securely with the Cortex Data Lake and the Cortex XDR management console over the internet, without requiring direct access to the internet from the isolated network. The Local Agent Proxy also allows the Cortex XDR agents to download installation packages and content updates from the Cortex XDR management console. To use the Local Agent Proxy setup, you need to deploy a Broker VM on the isolated network and configure it as a Local Agent Proxy. You also need to deploy another Broker VM on a network that has internet access and configure it as a Remote Agent Proxy. The Remote Agent Proxy acts as a relay between the Local Agent Proxy and the Cortex Data Lake. You also need to install a strong cipher SHA256-based SSL certificate on both the Local Agent Proxy and the Remote Agent Proxy to ensure secure communication. You can read more about the Local Agent Proxy setup and how to configure it here1 and here2. Reference:
Local Agent Proxy
Configure the Local Agent Proxy Setup


NEW QUESTION # 90
When creating a scheduled report which is not an option?

Answer: B

Explanation:
When creating a scheduled report in Cortex XDR, the option to run quarterly on a certain day and time is not available. You can only schedule reports to run daily, weekly, or monthly. You can also specify the start and end dates, the time zone, and the recipients of the report. Scheduled reports are useful for generating regular reports on the security events, incidents, alerts, or endpoints in your network. You can create scheduled reports from the Reports page in the Cortex XDR console, or from the Query Center by saving a query as a report. Reference:
Run or Schedule Reports
Create a Scheduled Report


NEW QUESTION # 91
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