FortiAnalyzer
FortiAnalyzer can receive logs and Windows host events directly from endpoints connected to EMS, and you can use FortiAnalyzer to analyze the logs and run reports.
emorlang_FTNT
Article Id 357290
Description

This article describes how to use a custom event handler in FortiAnalyzer to raise alerts for incident response related to attacks that attempt to leverage the Palo Alto Expedition Missing Authentication Vulnerability. A report is also provided to gain historical visibility into the logs.

 

Note that this article provides alpha files which are automatically generated. The article will be continually updated as more information becomes available.
Scope

This article contains the files necessary to load an event handler and report into the FortiAnalyzer for either a Fabric ADOM or a FortiGate ADOM. The Fabric report and event handler leverage logs from other Fortinet products that can be used to detect the attack in addition to FortiGate logs.

 

For more information about this attack, see the following FortiGuard Outbreak Alert:

Palo Alto Expedition Missing Authentication Vulnerability

Solution

What is included in Fortinet_Palo Alto Expedition Missing Authentication Vulnerability.zip:

 

  1. Palo Alto Expedition Missing Authentication Vulnerability_event-handler.json: This event handler helps identify Palo Alto Expedition Missing Authentication Vulnerability attacks detected by FortiGate and other Fortinet products. This event handler is configured for Fabric ADOMs.
  2. Palo Alto Expedition Missing Authentication Vulnerability_report.dat: This report displays the findings on Palo Alto Expedition Missing Authentication Vulnerability attacks from FortiGate and other Fortinet products. This report is configured for Fabric ADOMs.
  3. fgt_Palo Alto Expedition Missing Authentication Vulnerability_event-handler.json: The event handler for FortiGate ADOMs is configured for FortiGate logs only.
  4. fgt_Palo Alto Expedition Missing Authentication Vulnerability_report.dat: The report for FortiGate ADOMs includes FortiGate charts only.

Steps:

  1. Download the Fortinet_Palo Alto Expedition Missing Authentication Vulnerability.zip file (contains 4 files).
  2. Unzip Fortinet_Palo Alto Expedition Missing Authentication Vulnerability.zip.
  3. Import Palo Alto Expedition Missing Authentication Vulnerability_event-handler.json or fgt_Palo Alto Expedition Missing Authentication Vulnerability_event-handler.json event handler:
  • Choose an ADOM (if ADOMs are enabled). The ADOM may have the Fabric or FortiGate type.
  • Choose the FortiSOC module. 
  • Select Event Handler List.
  • Select the Import option under More.
  • Select the appropriate event handler depending on the ADOM type.

 

event handler.png

 

Result:

The event handler is enabled and will be triggered if the appropriate logs are received following the import of the event handler. 

Edit the event handler to customize the notification section.

 

  1. Import Palo Alto Expedition Missing Authentication Vulnerability_report.dat or fgt_Palo Alto Expedition Missing Authentication Vulnerability_report.dat to Reports:
  • Choose an ADOM (if ADOMs are enabled). The ADOM may have the Fabric or FortiGate type.
  • Choose the Report module.

 

report.png

 

Result

The Palo Alto Expedition Missing Authentication Vulnerability_report can be run anytime as determined by an admin user.