Suspicious FortiGate - New Firewall Policy Added (via event)

title: Suspicious FortiGate - New Firewall Policy Added (via event)
id: 3e7bb0a8-ac30-5209-9342-68b515e64c89
status: stable
description: This rule detects the addition of a new firewall policy 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/333889629/config-firewall-policy
    - https://docs.fortinet.com/document/fortigate/7.6.4/fortios-log-message-reference/44547/44547-logid-event-config-objattr
author: Huntrule Team
date: 2026-07-23
tags:
    - attack.defense-impairment
    - attack.t1686.002
logsource:
    product: fortigate
    service: event
detection:
    selection:
        action: 'Add'
        cfgpath: 'firewall.policy'
    condition: selection
falsepositives:
    - Unknown
level: medium