FortiGate - Firewall Address Object Added

Title: FortiGate - Firewall Address Object Added
Status: experimental
Description:Detects the addition of firewall address objects on a Fortinet FortiGate Firewall.
References:
  -https://www.fortiguard.com/psirt/FG-IR-24-535
  -https://docs.fortinet.com/document/fortigate/7.6.4/fortios-log-message-reference/398/event
  -https://docs.fortinet.com/document/fortigate/7.6.4/cli-reference/306021697/config-firewall-address
  -https://docs.fortinet.com/document/fortigate/7.6.4/fortios-log-message-reference/44547/44547-logid-event-config-objattr
Author: Marco Pedrinazzi @pedrinazziM (InTheCyber)
Date: 2025-11-01
modified:None
Tags:

• -'attack.defense-evasion'
• -'attack.t1562'

Logsource:

• product: fortigate
• service: event

Detection:
  selection:
    action: 'Add'
    cfgpath: 'firewall.address'
  condition:selection
Falsepositives:
  -An address could be added or deleted for legitimate purposes.
Level: medium