Technical Tip: Using FortiAnalyzer to detect activities related to Router Malware Attack (CVE-2019-10891, CVE-2015-2051, CVE-2018-10562, CVE-2018-10561)

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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 following Router Malware Attacks (CVE-2019-10891, CVE-2015-2051, CVE-2018-10562, CVE-2018-10561). A report is also provided to gain historical visibility into the logs.
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 log from other Fortinet products that can be used to detect the attack in addition to FortiGate logs. The above CVEs have had a resurgence and are leveraged by a number of malware, such as: BotenaGo Botnet Enemybot Botnet Moobot Lucifer See the FortiGuard Outbreak Report for more details: https://www.fortiguard.com/outbreak-alert/router-malware-attack
Solution	What is included in Fortinet_Router_Malware_Attacks.zip? 1) Router_Malware_Attacks_event-handler.json This event handler helps identify Router_Malware_Attacks detected by FortiGates and other Fortinet products. 2) Router_Malware_Attacks_report.dat This report displays the findings on Router_Malware_Attacks attacks from FortiGates and other Fortinet products.  3) fgt_Router_Malware_Attacks_event-handler.json The event handler for FortiGate ADOMs is configured for FortiGate logs only. 4) fgt_Router_Malware_Attacks_report.dat The report for FortiGate ADOMs includes FortiGate charts only. Steps 1) Download the Fortinet_Router_Malware_Attacks.zip file (contains 4 files). 2) Unzip Fortinet_Router_Malware_Attacks.zip. 3) Import Router_Malware_Attacks_event-handler.json or fgt_Router_Malware_Attacks_event-handler.json event handler: - Choose an ADOM (if ADOMs are enabled). The ADOM may be of type Fabric or FortiGate: - 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. 4) Import Router_Malware_Attacks_report.dat or fgt_Router_Malware_Attacks_report.dat to Reports: - Choose an ADOM (if ADOMs are enabled). ADOM may be of type Fabric or FortiGate. - 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 Router_Malware_Attacks_report can be run anytime as determined by an admin user.