Detectionmediumexperimental

FortiGate - New VPN SSL Web Portal Added

Detects the addition of a VPN SSL Web Portal on a Fortinet FortiGate Firewall. This behavior was observed in pair with modification of VPN SSL settings.

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Launch
Marco Pedrinazzi (InTheCyber)Created Sat Nov 012bfb6216-0c31-4d20-8501-2629b29a3fa2network
Log Source
fortigateevent
Productfortigate← raw: fortigate
Serviceevent← raw: event
Detection Logic
Detection Logic1 selector
detection:
    selection:
        action: 'Add'
        cfgpath: 'vpn.ssl.web.portal'
    condition: selection
False Positives

A VPN SSL Web Portal can be added for legitimate purposes.

Rule Metadata
Rule ID
2bfb6216-0c31-4d20-8501-2629b29a3fa2
Status
experimental
Level
medium
Type
Detection
Created
Sat Nov 01
Path
rules/network/fortinet/fortigate/fortinet_fortigate_new_vpn_ssl_web_portal.yml
Raw Tags
attack.persistenceattack.initial-accessattack.t1133
View on GitHub