Suspicious FortiGate - Firewall Address Object Added (via event)

title: Suspicious FortiGate - Firewall Address Object Added (via event)
id: e41dac12-4d48-5f2e-bced-2ed094fc26ed
status: stable
description: This rule detects the addition of firewall address objects on a Fortinet FortiGate Firewall.
references:
    - https://attack.mitre.org/techniques/T1686/002/
    - 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: Huntrule Team
date: 2026-02-15
tags:
    - attack.defense-impairment
    - attack.t1686.002
logsource:
    product: fortigate
    service: event
detection:
    selection:
        action: 'Add'
        cfgpath: 'firewall.address'
    condition: selection
falsepositives:
    - Unknown
level: medium