Changing the Concept of PCDRA Exam Preparation 2024 [Q49-Q73]

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Changing the Concept of PCDRA Exam Preparation 2024

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Palo Alto Networks PCDRA (Palo Alto Networks Certified Detection and Remediation Analyst) certification exam is a globally recognized certification exam that validates the skills and knowledge of cybersecurity professionals in detecting and mitigating security threats. Palo Alto Networks Certified Detection and Remediation Analyst certification exam is designed to test the expertise of professionals in using Palo Alto Networks technologies to detect, investigate, and remediate security incidents.

Palo Alto Networks PCDRA certification is designed for individuals who are interested in pursuing a career in cybersecurity as a detection and remediation analyst. Palo Alto Networks Certified Detection and Remediation Analyst certification exam validates the knowledge and skills required to effectively perform the tasks of a detection and remediation analyst. Palo Alto Networks Certified Detection and Remediation Analyst certification is highly valued by employers and is recognized globally.

Q49. As a Malware Analyst working with Cortex XDR you notice an alert suggesting that there was a prevented attempt to open a malicious Word document. You learn from the WildFire report and AutoFocus that this document is known to have been used in Phishing campaigns since 2018. What steps can you take to ensure that the same document is not opened by other users in your organization protected by the Cortex XDR agent?

Enable DLL Protection on all endpoints but there might be some false positives.

Create Behavioral Threat Protection (BTP) rules to recognize and prevent the activity.

No step is required because Cortex shares IOCs with our fellow Cyber Threat Alliance members.

No step is required because the malicious document is already stopped.

Q50. After scan, how does file quarantine function work on an endpoint?

Quarantine takes ownership of the files and folders and prevents execution through access control.

Quarantine disables the network adapters and locks down access preventing any communications with the endpoint.

Quarantine removes a specific file from its location on a local or removable drive to a protected folder and prevents it from being executed.

Quarantine prevents an endpoint from communicating with anything besides the listed exceptions in the agent profile and Cortex XDR.

Q51. Which of the following represents the correct relation of alerts to incidents?

Only alerts with the same host are grouped together into one Incident in a given time frame.

Alerts that occur within athree-hourtime frame are grouped together into one Incident.

Alerts with same causality chains that occur within a given time frame are grouped together into an Incident.

Every alert creates a new Incident.

Q52. When creating a BIOC rule, which XQL query can be used?

dataset = xdr_data
| filter event_sub_type = PROCESS_START and
action_process_image_name ~= “.*?.(?:pdf|docx).exe”

dataset = xdr_data
| filter event_type = PROCESS and
event_sub_type = PROCESS_START and
action_process_image_name ~= “.*?.(?:pdf|docx).exe”

dataset = xdr_data
| filter action_process_image_name ~= “.*?.(?:pdf|docx).exe”
| fields action_process_image

dataset = xdr_data
| filter event_behavior = true
event_sub_type = PROCESS_START and
action_process_image_name ~= “.*?.(?:pdf|docx).exe”

Q53. Cortex XDR Analytics can alert when detecting activity matching the following MITRE ATT&CKTM techniques.

Exfiltration, Command and Control, Collection

Exfiltration, Command and Control, Privilege Escalation

Exfiltration, Command and Control, Impact

Exfiltration, Command and Control, Lateral Movement

Q54. Which Exploit ProtectionModule (EPM) can be used to prevent attacks based on OS function?

UASLR

JIT Mitigation

Memory Limit Heap Spray Check

DLL Security

Q55. What kind of the threat typically encrypts user files?

ransomware

SQL injection attacks

Zero-day exploits

supply-chain attacks

Q56. Which built-in dashboard would be the best option for an executive, if they were looking for the Mean Time to Resolution (MTTR) metric?

Security Manager Dashboard

Data Ingestion Dashboard

Security Admin Dashboard

Incident Management Dashboard

Q57. Which engine, of the following, in Cortex XDR determines the most relevant artifacts in each alert and aggregates all alerts related to an event into an incident?

Sensor Engine

Causality Analysis Engine

Log Stitching Engine

Causality Chain Engine

Explanation
The engine that determines the most relevant artifacts in each alert and aggregates all alerts related to an event into an incident is the Causality Analysis Engine. The Causality Analysis Engine is one of the core components of Cortex XDR that performs advanced analytics on the data collected from various sources, such as endpoints, networks, and clouds. The Causality Analysis Engine uses machine learning and behavioral analysis to identify the root cause, the attack chain, and the impact of each alert. It also groups related alerts into incidents based on the temporal and logical relationships among the alerts. The Causality Analysis Engine helps to reduce the noise and complexity of alerts and incidents, and provides a clear and concise view of the attack story12.
Let’s briefly discuss the other options to provide a comprehensive explanation:
A: Sensor Engine: This is not the correct answer. The Sensor Engine is not responsible for determining the most relevant artifacts in each alert and aggregating all alerts related to an event into an incident. The Sensor Engine is the component that runs on the Cortex XDR agents installed on the endpoints. The Sensor Engine collects and analyzes endpoint data, such as processes, files, registry keys, network connections, and user activities. The Sensor Engine also enforces the endpoint security policies and performs prevention and response actions3.
C: Log Stitching Engine: This is not the correct answer. The Log Stitching Engine is not responsible for determining the most relevant artifacts in each alert and aggregating all alerts related to an event into an incident. The Log Stitching Engine is the component that runs on the Cortex Data Lake, which is the cloud-based data storage and processing platform for Cortex XDR. The Log Stitching Engine normalizes and stitches together the data from different sources, such as firewalls, proxies, endpoints, and clouds. The Log Stitching Engine enables Cortex XDR to correlate and analyze data from multiple sources and provide a unified view of the network activity and threat landscape4.
D: Causality Chain Engine: This is not the correct answer. Causality Chain Engine is not a valid name for any of the Cortex XDR engines. There is no such engine in Cortex XDR that performs the function of determining the most relevant artifacts in each alert and aggregating all alerts related to an event into an incident.
In conclusion, the Causality Analysis Engine is the engine that determines the most relevant artifacts in each alert and aggregates all alerts related to an event into an incident. By using the Causality Analysis Engine, Cortex XDR can provide a comprehensive and accurate detection and response capability for security analysts.
References:
* Cortex XDR Pro Admin Guide: Causality Analysis Engine
* Cortex XDR Pro Admin Guide: View Incident Details
* Cortex XDR Pro Admin Guide: Sensor Engine
* Cortex XDR Pro Admin Guide: Log Stitching Engine

Q58. Which statement best describes how Behavioral Threat Protection (BTP) works?

BTP injects into known vulnerable processes to detect malicious activity.

BTP runs on the Cortex XDR and distributes behavioral signatures to all agents.

BTP matches EDR data with rules provided by Cortex XDR.

BTP uses machine Learning to recognize malicious activity even if it is not known.

Q59. What is the outcome of creating and implementing an alert exclusion?

The Cortex XDR agent will allow the process that was blocked to run on the endpoint.

The Cortex XDR console will hide those alerts.

The Cortex XDR agent will not create an alert for this event in the future.

The Cortex XDR console will delete those alerts and block ingestion of them in the future.

Q60. What is by far the most common tactic used by ransomware to shut down a victim’s operation?

preventing the victim from being able to access APIs to cripple infrastructure

denying traffic out of the victims network until payment is received

restricting access to administrative accounts to the victim

encrypting certain files to prevent access by the victim

Q61. Which of the following Live Terminal options are available for Android systems?

Live Terminal is not supported.

Stop an app.

Run APK scripts.

Run Android commands.

Q62. Which of the following paths will successfully activate Remediation Suggestions?

Incident View > Actions > Remediation Suggestions

Causality View > Actions > Remediation Suggestions

Alerts Table > Right-click on a process node > Remediation Suggestions

Alerts Table > Right-click on an alert > Remediation Suggestions

Q63. In the Cortex XDR console, from which two pages are you able to manually perform the agent upgrade action?
(Choose two.)

Asset Management

Agent Installations

Action Center

Endpoint Administration

Q64. What kind of malware uses encryption, data theft, denial of service, and possibly harassment to take advantage of a victim?

Ransomware

Worm

Keylogger

Rootkit

Q65. A Linux endpoint with a Cortex XDR Pro per Endpoint license and Enhanced Endpoint Data enabled has reported malicious activity, resulting in the creation of a file that you wish to delete. Which action could you take to delete the file?

Manually remediate the problem on the endpoint in question.

Open X2go from the Cortex XDR console and delete the file via X2go.

Initiate Remediate Suggestions to automatically delete the file.

Open an NFS connection from the Cortex XDR console and delete the file.

Q66. Where would you view the WildFire report in an incident?

next to relevant Key Artifacts in the incidents details page

under Response –> Action Center

under the gear icon –> Agent Audit Logs

on the HUB page at apps.paloaltonetworks.com

Q67. What is the difference between presets and datasets in XQL?

A dataset is a Cortex data lake data source only; presets are built-in data source.

A dataset is a built-in orthird-partysource; presets group XDR data fields.

A dataset is a database; presets is a field.

A dataset is a third-party data source; presets are built-in data source.

Q68. As a Malware Analyst working with Cortex XDR you notice an alert suggesting that there was a prevented attempt to download Cobalt Strike on one of your servers. Days later, you learn about a massive ongoing supply chain attack. Using Cortex XDR you recognize that your server was compromised by the attack and that Cortex XDR prevented it. What steps can you take to ensure that the same protection is extended to all your servers?

Create Behavioral Threat Protection (BTP) rules to recognize and prevent the activity.

Enable DLL Protection on all servers but there might be some false positives.

Create IOCs of the malicious files you have found to prevent their execution.

Enable Behavioral Threat Protection (BTP) with cytool to prevent the attack from spreading.

Q69. Which two types of exception profiles you can create in Cortex XDR? (Choose two.)

exception profiles that apply to specific endpoints

agent exception profiles that apply to specific endpoints

global exception profiles that apply to all endpoints

role-based profiles that apply to specific endpoints

Q70. What are two purposes of “Respond to Malicious Causality Chains” in a Cortex XDR Windows Malware profile? (Choose two.)

Automatically close the connections involved in malicious traffic.

Automatically kill the processes involved in malicious activity.

Automatically terminate the threads involved in malicious activity.

Automatically block the IP addresses involved in malicious traffic.

Q71. What should you do to automatically convert leads into alerts after investigating a lead?

Lead threats can’t be prevented in the future because they already exist in the environment.

Create IOC rules based on the set of the collected attribute-value pairs over the affected entities concluded during the lead hunting.

Create BIOC rules based on the set of the collected attribute-value pairs over the affected entities concluded during the lead hunting.

Build a search query using Query Builder or XQL using a list of lOCs.

Q72. What kind of the threat typically encrypts user files?

ransomware

SQL injection attacks

Zero-day exploits

supply-chain attacks

Q73. Which profiles can the user use to configure malware protection in the Cortex XDR console?

Malware Protection profile

Malware profile

Malware Detection profile

Anti-Malware profile

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