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.
lwoodward
Staff
Staff
Article Id 240400
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 VMware Spring Cloud Function RCE vulnerability. A report is also provided to gain historical visibility into system 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 your 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: https://www.fortiguard.com/outbreak-alert/vmware-spring-cloud-function

 

Solution

What is included in Fortinet_vmware_spring_cloud_function_RCE_vulnerability.zip?

 

1) vmware_spring_cloud_function_RCE_vulnerability_event-handler.json

This event handler helps identify VMware Spring Cloud Function RCE attacks detected by FortiGates and other Fortinet products.

 

2) vmware_spring_cloud_function_RCE_vulnerability_report.dat

This report displays the findings on VMware Spring Cloud Function RCE attacks from FortiGates and other Fortinet products. 

 

3) fgt_vmware_spring_cloud_function_RCE_vulnerability_event-handler.json

This event handler for FortiGate ADOMs is configured for FortiGate logs only.

 

4) fgt_vmware_spring_cloud_function_RCE_vulnerability_report.dat

This report for FortiGate ADOMs includes FortiGate charts only.

  

Steps

1) Download the Fortinet_vmware_spring_cloud_function_RCE_vulnerability.zip file (contains 4 files).

 

2) Unzip Fortinet_vmware_spring_cloud_function_RCE_vulnerability.zip.

 

3) Import vmware_spring_cloud_function_RCE_vulnerability_event-handler.json or the fgt_vmware_spring_cloud_function_RCE_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.

 

lwoodward_1-1671568165970.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.

 

4) Import vmware_spring_cloud_function_RCE_vulnerability_report.dat or fgt_vmware_spring_cloud_function_RCE_vulnerability_report.dat to Reports:

 

- Choose an ADOM (if ADOMs are enabled). 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.

 

lwoodward_0-1671568085217.png

 

Result

The vmware_spring_cloud_function_RCE_vulnerability_report can be run at any time as determined by an admin user.