Sigma rule: FortiGate - New Firewall Policy Added

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-c9c80ac1282a, updated 2026-05-04T00:00:00.000Z.

Rule

Title
FortiGate - New Firewall Policy Added
Status
experimental
Level
medium
Author
Marco Pedrinazzi (@pedrinazziM) (InTheCyber)
Date
2025-11-01
Modified
2026-05-04
File
rules/network/fortinet/fortigate/fortinet_fortigate_new_firewall_policy_added.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

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

Log source

product
fortigate
service
event

Detection

selection:
    action: 'Add'
    cfgpath: 'firewall.policy'
condition: selection

False positives (as the rule lists them)

  • A firewall policy can be added for legitimate purposes.

Tags

  • attack.defense-impairment
  • attack.t1686.002

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/network/fortinet/fortigate/fortinet_fortigate_new_firewall_policy_added.yml

Sources and licences

  • SigmaHQ

    "FortiGate - New Firewall Policy Added" by Marco Pedrinazzi (@pedrinazziM) (InTheCyber) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/network/fortinet/fortigate/fortinet_fortigate_new_firewall_policy_added.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: FortiGate - New Firewall Policy Added",
entity page, dataset version ref-c9c80ac1282a, updated 2026-05-04T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/f24ab7a8-f09a-4319-82c1-915586aa642b (accessed 2026-11-03).
Underlying source: SigmaHQ rule f24ab7a8-f09a-4319-82c1-915586aa642b, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.