Technical Tip: Using FortiAnalyzer to detect activities related to the Fortra GoAnywhere MFT Attack | CVE-2025-10035

[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 Fortra GoAnywhere MFT Attack. A report is also provided to gain historical visibility into the logs. 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: Fortra GoAnywhere MFT Attack
Solution	What is included in Fortinet_Fortra GoAnywhere MFT Attack.zip: Fortra GoAnywhere MFT Attack_event-handler.json: This event handler helps identify Fortra GoAnywhere MFT Attacks detected by FortiGate and other Fortinet products. This event handler is configured for Fabric ADOMs. Fortra GoAnywhere MFT Attack_report.dat: This report displays the findings on Fortra GoAnywhere MFT Attacks from FortiGate and other Fortinet products. It is configured for Fabric ADOMs. fgt_Fortra GoAnywhere MFT Attack_event-handler.json: The event handler for FortiGate ADOMs is configured for FortiGate logs only. fgt_Fortra GoAnywhere MFT Attack_report.dat: The FortiGate ADOMs report includes only FortiGate charts. Steps: Download the Fortinet_Fortra GoAnywhere MFT Attack.zip file (contains 4 files). Unzip Fortinet_Fortra GoAnywhere MFT Attack.zip. Import Fortra GoAnywhere MFT Attack_event-handler.json or fgt_Fortra GoAnywhere MFT Attack_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 Fortra GoAnywhere MFT Attack_report.dat or fgt_Fortra GoAnywhere MFT Attack_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 Fortra GoAnywhere MFT Attack_report can be run anytime, as determined by an admin user.