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Palo Alto Networks XDR-Analyst Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Incident Investigation and Response		- Incident Analysis 1. Investigate endpoint activity 2. Perform causality and root cause analysis - Response Actions 1. Manage incident containment workflows 2. Execute response and remediation tasks
Topic 2: Threat Hunting and Querying		- Threat Hunting 1. Analyze suspicious behaviors 2. Perform proactive threat hunting - XQL and Data Analysis 1. Use XQL queries for investigations 2. Analyze telemetry and datasets
Topic 3: Reporting and Compliance		- Compliance 1. Maintain audit and investigation records 2. Support compliance monitoring - Reporting 1. Generate investigation reports 2. Review incident metrics and dashboards
Topic 4: Alerting and Detection Processes	23%	- Alert Prioritization 1. Explain alert triage process 2. Handle prioritized incidents - Alert Sources and Types 1. Explain alert categories and severity 2. Identify different alert sources

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Palo Alto Networks XDR Analyst 認定 XDR-Analyst 試験問題 (Q81-Q86):

質問 # 81
When reaching out to TAC for additional technical support related to a Security Event; what are two critical pieces of information you need to collect from the Agent? (Choose Two)

A. The agent technical support file.
B. The distribution id of the agent.
C. A list of all the current exceptions applied to the agent.
D. The unique agent id.
E. The prevention archive from the alert.

正解：A、E

解説：
When reaching out to TAC for additional technical support related to a security event, two critical pieces of information you need to collect from the agent are:
The agent technical support file. This is a file that contains diagnostic information about the agent, such as its configuration, status, logs, and system information. The agent technical support file can help TAC troubleshoot and resolve issues with the agent or the endpoint. You can generate and download the agent technical support file from the Cortex XDR console, or from the agent itself.
The prevention archive from the alert. This is a file that contains forensic data related to the alert, such as the process tree, the network activity, the registry changes, and the files involved. The prevention archive can help TAC analyze and understand the alert and the malicious activity. You can generate and download the prevention archive from the Cortex XDR console, or from the agent itself.
The other options are not critical pieces of information for TAC, and may not be available or relevant for every security event. For example:
The distribution id of the agent is a unique identifier that is assigned to the agent when it is installed on the endpoint. The distribution id can help TAC identify the agent and its profile, but it is not sufficient to provide technical support or forensic analysis. The distribution id can be found in the Cortex XDR console, or in the agent installation folder.
A list of all the current exceptions applied to the agent is a set of rules that define the files, processes, or behaviors that are excluded from the agent's security policies. The exceptions can help TAC understand the agent's configuration and behavior, but they are not essential to provide technical support or forensic analysis. The exceptions can be found in the Cortex XDR console, or in the agent configuration file.
The unique agent id is a unique identifier that is assigned to the agent when it registers with Cortex XDR. The unique agent id can help TAC identify the agent and its endpoint, but it is not sufficient to provide technical support or forensic analysis. The unique agent id can be found in the Cortex XDR console, or in the agent log file.
Reference:
Generate and Download the Agent Technical Support File
Generate and Download the Prevention Archive
Cortex XDR Agent Administrator Guide: Agent Distribution ID
Cortex XDR Agent Administrator Guide: Exception Security Profiles
[Cortex XDR Agent Administrator Guide: Unique Agent ID]

質問 # 82
Which function describes the removal of a specific file from its location on a local or removable drive to a protected folder to prevent the file from being executed?

A. Flag for removal
B. Search & destroy
C. Quarantine
D. Isolation

正解：C

解説：
The function that describes the removal of a specific file from its location on a local or removable drive to a protected folder to prevent the file from being executed is quarantine. Quarantine is a feature of Cortex XDR that allows you to isolate malicious or suspicious files from the endpoint and prevent them from running or spreading. You can quarantine files manually from the Cortex XDR console, or automatically based on the malware analysis profile or the remediation suggestions. When you quarantine a file, the Cortex XDR agent encrypts the file and moves it to a hidden folder under the agent installation directory. The file is also renamed with a random string and a .quarantine extension. You can view, restore, or delete the quarantined files from the Cortex XDR console. Reference:
Quarantine Files
Manage Quarantined Files

質問 # 83
What is the purpose of the Unit 42 team?

A. Unit 42 is responsible for threat research, malware analysis and threat hunting
B. Unit 42 is responsible for the configuration optimization of the Cortex XDR server
C. Unit 42 is responsible for the rapid deployment of Cortex XDR agents
D. Unit 42 is responsible for automation and orchestration of products

正解：A

解説：
Unit 42 is the threat intelligence and response team of Palo Alto Networks. The purpose of Unit 42 is to collect and analyze the most up-to-date threat intelligence and apply it to respond to cyberattacks. Unit 42 is composed of world-renowned threat researchers, incident responders and security consultants who help organizations proactively manage cyber risk. Unit 42 is responsible for threat research, malware analysis and threat hunting, among other activities12.
Let's briefly discuss the other options to provide a comprehensive explanation:
A . Unit 42 is not responsible for automation and orchestration of products. Automation and orchestration are capabilities that are provided by Palo Alto Networks products such as Cortex XSOAR, which is a security orchestration, automation and response platform that helps security teams automate tasks, coordinate actions and manage incidents3.
B . Unit 42 is not responsible for the configuration optimization of the Cortex XDR server. The Cortex XDR server is the cloud-based platform that provides detection and response capabilities across network, endpoint and cloud data sources. The configuration optimization of the Cortex XDR server is the responsibility of the Cortex XDR administrators, who can use the Cortex XDR app to manage the settings and policies of the Cortex XDR server4.
C . Unit 42 is not responsible for the rapid deployment of Cortex XDR agents. The Cortex XDR agents are the software components that are installed on endpoints to provide protection and visibility. The rapid deployment of Cortex XDR agents is the responsibility of the Cortex XDR administrators, who can use various methods such as group policy objects, scripts, or third-party tools to deploy the Cortex XDR agents to multiple endpoints5.
In conclusion, Unit 42 is the threat intelligence and response team of Palo Alto Networks that is responsible for threat research, malware analysis and threat hunting. By leveraging the expertise and insights of Unit 42, organizations can enhance their security posture and protect against the latest cyberthreats.
Reference:
About Unit 42: Our Mission and Team
Unit 42: Threat Intelligence & Response
Cortex XSOAR
Cortex XDR Pro Admin Guide: Manage Cortex XDR Settings and Policies
Cortex XDR Pro Admin Guide: Deploy Cortex XDR Agents

質問 # 84
With a Cortex XDR Prevent license, which objects are considered to be sensors?

A. Syslog servers
B. Third-Party security devices
C. Palo Alto Networks Next-Generation Firewalls
D. Cortex XDR agents

正解：D

解説：
The objects that are considered to be sensors with a Cortex XDR Prevent license are Cortex XDR agents and Palo Alto Networks Next-Generation Firewalls. These are the two sources of data that Cortex XDR can collect and analyze for threat detection and response. Cortex XDR agents are software components that run on endpoints, such as Windows, Linux, and Mac devices, and provide protection against malware, exploits, and fileless attacks. Cortex XDR agents also collect and send endpoint data, such as process activity, network traffic, registry changes, and user actions, to the Cortex Data Lake for analysis and correlation. Palo Alto Networks Next-Generation Firewalls are network security devices that provide visibility and control over network traffic, and enforce security policies based on applications, users, and content. Next-Generation Firewalls also collect and send network data, such as firewall logs, DNS logs, HTTP headers, and WildFire verdicts, to the Cortex Data Lake for analysis and correlation. By integrating data from both Cortex XDR agents and Next-Generation Firewalls, Cortex XDR can provide a comprehensive view of the attack surface and detect threats across the network and endpoint layers. Reference:
Cortex XDR Prevent License
Cortex XDR Agent Features
Next-Generation Firewall Features

質問 # 85
What should you do to automatically convert leads into alerts after investigating a lead?

A. Create BIOC rules based on the set of the collected attribute-value pairs over the affected entities concluded during the lead hunting.
B. Build a search query using Query Builder or XQL using a list of lOCs.
C. Lead threats can't be prevented in the future because they already exist in the environment.
D. Create IOC rules based on the set of the collected attribute-value pairs over the affected entities concluded during the lead hunting.

正解：D

解説：
To automatically convert leads into alerts after investigating a lead, you should create IOC rules based on the set of the collected attribute-value pairs over the affected entities concluded during the lead hunting. IOC rules are used to detect known threats based on indicators of compromise (IOCs) such as file hashes, IP addresses, domain names, etc. By creating IOC rules from the leads, you can prevent future occurrences of the same threats and generate alerts for them. Reference:
PCDRA Study Guide, page 25
Cortex XDR 3: Handling Cortex XDR Alerts, section 3.2
Cortex XDR Documentation, section "Create IOC Rules"

質問 # 86
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