QUESTION: 5

Which FortiAnalyzer connector can you use to run automation stitches9

FortiCASB
FortiMail
Local
FortiOS

Answer(s): D

Explanation:

Overview of Automation Stitches:
Automation stitches in FortiAnalyzer are predefined sets of automated actions triggered by specific events. These actions help in automating responses to security incidents, improving efficiency, and reducing the response time.
FortiAnalyzer Connectors:
FortiAnalyzer integrates with various Fortinet products and other third-party solutions through connectors. These connectors facilitate communication and data exchange, enabling centralized management and automation.
Available Connectors for Automation Stitches:
FortiCASB:
FortiCASB is a Cloud Access Security Broker that helps secure SaaS applications. However, it is not typically used for running automation stitches within FortiAnalyzer.

Reference:

Fortinet FortiCASB Documentation FortiCASB
FortiMail:
FortiMail is an email security solution.
While it can send logs and events to FortiAnalyzer, it is not primarily used for running automation stitches.

Fortinet FortiMail Documentation FortiMail
Local:
The local connector refers to FortiAnalyzer's ability to handle logs and events generated by itself. This is useful for internal processes but not specifically for integrating with other Fortinet devices for automation stitches.

Fortinet FortiAnalyzer Administration Guide FortiAnalyzer Local FortiOS:
FortiOS is the operating system that runs on FortiGate firewalls. FortiAnalyzer can use the FortiOS connector to communicate with FortiGate devices and run automation stitches. This allows FortiAnalyzer to send commands to FortiGate, triggering predefined actions in response to specific events.

Fortinet FortiOS Administration Guide FortiOS
Detailed Process:
Step 1: Configure the FortiOS connector in FortiAnalyzer to establish communication with FortiGate devices.
Step 2: Define automation stitches within FortiAnalyzer that specify the actions to be taken when certain events occur.
Step 3: When a triggering event is detected, FortiAnalyzer uses the FortiOS connector to send the necessary commands to the FortiGate device.
Step 4: FortiGate executes the commands, performing the predefined actions such as blocking an IP address, updating firewall rules, or sending alerts.
Conclusion:
The FortiOS connector is specifically designed for integration with FortiGate devices, enabling FortiAnalyzer to execute automation stitches effectively.

Fortinet FortiOS Administration Guide: Details on configuring and using automation stitches. Fortinet FortiAnalyzer Administration Guide: Information on connectors and integration options. By utilizing the FortiOS connector, FortiAnalyzer can run automation stitches to enhance the security posture and response capabilities within a network.

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QUESTION: 6

Refer to the exhibits.

What can you conclude from analyzing the data using the threat hunting module?

Spearphishing is being used to elicit sensitive information.
DNS tunneling is being used to extract confidential data from the local network.
Reconnaissance is being used to gather victim identity information from the mail server.
FTP is being used as command-and-control (C&C) technique to mine for data.

Answer(s): B

Explanation:

Understanding the Threat Hunting Data:
The Threat Hunting Monitor in the provided exhibits shows various application services, their usage counts, and data metrics such as sent bytes, average sent bytes, and maximum sent bytes. The second part of the exhibit lists connection attempts from a specific source IP (10.0.1.10) to a destination IP (8.8.8.8), with repeated "Connection Failed" messages.
Analyzing the Application Services:
DNS is the top application service with a significantly high count (251,400) and notable sent bytes (9.1 MB).
This large volume of DNS traffic is unusual for regular DNS queries and can indicate the presence of DNS tunneling.
DNS Tunneling:

DNS tunneling is a technique used by attackers to bypass security controls by encoding data within DNS queries and responses. This allows them to extract data from the local network without detection.
The high volume of DNS traffic, combined with the detailed metrics, suggests that DNS tunneling might be in use.
Connection Failures to 8.8.8.8:
The repeated connection attempts from the source IP (10.0.1.10) to the destination IP (8.8.8.8) with connection failures can indicate an attempt to communicate with an external server. Google DNS (8.8.8.8) is often used for DNS tunneling due to its reliability and global reach.
Conclusion:
Given the significant DNS traffic and the nature of the connection attempts, it is reasonable to conclude that DNS tunneling is being used to extract confidential data from the local network.
Why Other Options are Less Likely:
Spearphishing (A): There is no evidence from the provided data that points to spearphishing attempts, such as email logs or phishing indicators.
Reconnaissance (C): The data does not indicate typical reconnaissance activities, such as scanning or probing mail servers.
FTP C&C (D): There is no evidence of FTP traffic or command-and-control communications using FTP in the provided data.

Reference:

SANS Institute: "DNS Tunneling: How to Detect Data Exfiltration and Tunneling Through DNS Queries" SANS DNS Tunneling
OWASP: "DNS Tunneling" OWASP DNS Tunneling
By analyzing the provided threat hunting data, it is evident that DNS tunneling is being used to exfiltrate data, indicating a sophisticated method of extracting confidential information from the network.

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QUESTION: 7

Refer to the exhibits.

You configured a spearphishing event handler and the associated rule. However. FortiAnalyzer did not generate an event.
When you check the FortiAnalyzer log viewer, you confirm that FortiSandbox forwarded the appropriate logs, as shown in the raw log exhibit.
What configuration must you change on FortiAnalyzer in order for FortiAnalyzer to generate an event?

In the Log Type field, change the selection to AntiVirus Log(malware).
Configure a FortiSandbox data selector and add it tothe event handler.
In the Log Filter by Text field, type the value: .5 ub t ype ma Iwa re..
Change trigger condition by selecting. Within a group, the log field Malware Kame (mname> has 2 or more unique values.

Answer(s): B

Explanation:

Understanding the Event Handler Configuration:
The event handler is set up to detect specific security incidents, such as spearphishing, based on logs forwarded from other Fortinet products like FortiSandbox.
An event handler includes rules that define the conditions under which an event should be triggered.
Analyzing the Current Configuration:

The current event handler is named "Spearphishing handler" with a rule titled "Spearphishing Rule 1".
The log viewer shows that logs are being forwarded by FortiSandbox but no events are generated by FortiAnalyzer.
Key Components of Event Handling:
Log Type: Determines which type of logs will trigger the event handler. Data Selector: Specifies the criteria that logs must meet to trigger an event. Automation Stitch: Optional actions that can be triggered when an event occurs. Notifications: Defines how alerts are communicated when an event is detected.
Issue Identification:
Since FortiSandbox logs are correctly forwarded but no event is generated, the issue likely lies in the data selector configuration or log type matching.
The data selector must be configured to include logs forwarded by FortiSandbox.
Solution:
B . Configure a FortiSandbox data selector and add it to the event handler:
By configuring a data selector specifically for FortiSandbox logs and adding it to the event handler, FortiAnalyzer can accurately identify and trigger events based on the forwarded logs.
Steps to Implement the Solution:
Step 1: Go to the Event Handler settings in FortiAnalyzer.
Step 2: Add a new data selector that includes criteria matching the logs forwarded by FortiSandbox (e.g., log subtype, malware detection details).
Step 3: Link this data selector to the existing spearphishing event handler. Step 4: Save the configuration and test to ensure events are now being generated.
Conclusion:
The correct configuration of a FortiSandbox data selector within the event handler ensures that FortiAnalyzer can generate events based on relevant logs.

Reference:

Fortinet Documentation on Event Handlers and Data Selectors FortiAnalyzer Event Handlers Fortinet Knowledge Base for Configuring Data Selectors FortiAnalyzer Data Selectors By configuring a FortiSandbox data selector and adding it to the event handler, FortiAnalyzer will be able to accurately generate events based on the appropriate logs.

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QUESTION: 8

While monitoring your network, you discover that one FortiGate device is sending significantly more logs to FortiAnalyzer than all of the other FortiGate devices in the topology. Additionally, the ADOM that the FortiGate devices are registered to consistently exceeds its quota.

What are two possible solutions? (Choose two.)

Increase the storage space quota for the first FortiGate device.
Create a separate ADOM for the first FortiGate device and configure a different set of storage policies.
Reconfigure the first FortiGate device to reduce the number of logs it forwards to FortiAnalyzer.
Configure data selectors to filter the data sent by the first FortiGate device.

Answer(s): B,C

Explanation:

Understanding the Problem:

One FortiGate device is generating a significantly higher volume of logs compared to other devices, causing the ADOM to exceed its storage quota.
This can lead to performance issues and difficulties in managing logs effectively within FortiAnalyzer.
Possible Solutions:
The goal is to manage the volume of logs and ensure that the ADOM does not exceed its quota, while still maintaining effective log analysis and monitoring.
Solution A: Increase the Storage Space Quota for the First FortiGate Device:
While increasing the storage space quota might provide a temporary relief, it does not address the root cause of the issue, which is the excessive log volume.
This solution might not be sustainable in the long term as log volume could continue to grow. Not selected as it does not provide a long-term, efficient solution. Solution B: Create a Separate ADOM for the First FortiGate Device and Configure a Different Set of Storage Policies:
Creating a separate ADOM allows for tailored storage policies and management specifically for the high-log-volume device.
This can help in distributing the storage load and applying more stringent or customized retention and storage policies.
Selected as it effectively manages the storage and organization of logs. Solution C: Reconfigure the First FortiGate Device to Reduce the Number of Logs it Forwards to FortiAnalyzer:
By adjusting the logging settings on the FortiGate device, you can reduce the volume of logs forwarded to FortiAnalyzer.
This can include disabling unnecessary logging, reducing the logging level, or filtering out less critical logs.
Selected as it directly addresses the issue of excessive log volume. Solution D: Configure Data Selectors to Filter the Data Sent by the First FortiGate Device:
Data selectors can be used to filter the logs sent to FortiAnalyzer, ensuring only relevant logs are forwarded.
This can help in reducing the volume of logs but might require detailed configuration and regular updates to ensure critical logs are not missed.
Not selected as it might not be as effective as reconfiguring logging settings directly on the FortiGate device.
Implementation Steps:
For Solution B:
Step 1: Access FortiAnalyzer and navigate to the ADOM management section. Step 2: Create a new ADOM for the high-log-volume FortiGate device. Step 3: Register the FortiGate device to this new ADOM. Step 4: Configure specific storage policies for the new ADOM to manage log retention and storage.
For Solution C:
Step 1: Access the FortiGate device's configuration interface.
Step 2: Navigate to the logging settings.
Step 3: Adjust the logging level and disable unnecessary logs.
Step 4: Save the configuration and monitor the log volume sent to FortiAnalyzer.

Reference:

Fortinet Documentation on FortiAnalyzer ADOMs and log management FortiAnalyzer Administration Guide
Fortinet Knowledge Base on configuring log settings on FortiGate FortiGate Logging Guide By creating a separate ADOM for the high-log-volume FortiGate device and reconfiguring its logging settings, you can effectively manage the log volume and ensure the ADOM does not exceed its quota.

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QUESTION: 5

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QUESTION: 8

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