FortiGate - New Firewall Policy Added

experimentalmedium
log source: fortigate · eventauthor Marco Pedrinazzi (@pedrinazziM) (InTheCyber)date 2025-11-01
01

description

What this is, in brief.

Detects the addition of a new firewall policy on a Fortinet FortiGate Firewall.

02

tags

attack.defense-impairmentattack.t1686.002
03

rule source (YAML)

title: FortiGate - New Firewall Policy Added
id: f24ab7a8-f09a-4319-82c1-915586aa642b
status: experimental
description: Detects the addition of a new firewall policy 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/333889629/config-firewall-policy
    - 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: 2026-05-04
tags:
    - attack.defense-impairment
    - attack.t1686.002
logsource:
    product: fortigate
    service: event
detection:
    selection:
        action: 'Add'
        cfgpath: 'firewall.policy'
    condition: selection
falsepositives:
    - A firewall policy can be added for legitimate purposes.
level: medium
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.