Technical Tip: Using FortiAnalyzer to detect activities related to the PAN-OS GlobalProtect Command Injection Vulnerability | CVE-2024-3400

[emorlang_FTNT]

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 PAN-OS GlobalProtect Command Injection 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: PAN-OS GlobalProtect Command Injection Vulnerability
Solution	What is included in Fortinet_PAN-OS GlobalProtect Command Injection Vulnerability.zip: PAN-OS GlobalProtect Command Injection Vulnerability_event-handler.json. This event handler helps identify PAN-OS GlobalProtect Command Injection Vulnerability detected by FortiGate and other Fortinet products. This event handler is configured for Fabric ADOMs. PAN-OS GlobalProtect Command Injection Vulnerability_report.dat. This report displays the findings on PAN-OS GlobalProtect Command Injection Vulnerability attacks from FortiGate and other Fortinet products. This report is configured for Fabric ADOMs. fgt_PAN-OS GlobalProtect Command Injection Vulnerability_event-handler.json. The event handler for FortiGate ADOMs is configured for FortiGate logs only. fgt_PAN-OS GlobalProtect Command Injection Vulnerability_report.dat. The report for FortiGate ADOMs includes FortiGate charts only. Steps: Download the Fortinet_PAN-OS GlobalProtect Command Injection Vulnerability.zip file (contains 4 files). Unzip Fortinet_PAN-OS GlobalProtect Command Injection Vulnerability.zip. Import PAN-OS GlobalProtect Command Injection Vulnerability_event-handler.json or fgt_PAN-OS GlobalProtect Command Injection 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. 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. Import PAN-OS GlobalProtect Command Injection Vulnerability_report.dat or fgt_PAN-OS GlobalProtect Command Injection 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. Select the Import option under 'More'. Select the appropriate file for the ADOM type to add the report to the ADOM. Result:  The PAN-OS GlobalProtect Command Injection Vulnerability_report can be run anytime as determined by an admin user.