OpenCanary - NMAP FIN Scan

Description

Detects instances where an OpenCanary node has been targeted by a NMAP FIN Scan

Query · sigma

selection:
  logtype: 5005
condition: selection

Known false positives

  • Unlikely
Raw source OpenCanary - NMAP FIN Scan · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: OpenCanary - NMAP FIN Scan
id: eae8c0c8-e5da-450a-9d7d-66aa56cd26b6
status: experimental
description: Detects instances where an OpenCanary node has been targeted by a NMAP FIN Scan
references:
    - https://opencanary.readthedocs.io/en/latest/starting/configuration.html#services-configuration
    - https://github.com/thinkst/opencanary/blob/a0896adfcaf0328cfd5829fe10d2878c7445138e/opencanary/logger.py#L52
author: Marco Pedrinazzi (@pedrinazziM)
date: 2026-01-06
tags:
    - attack.discovery
    - attack.t1046
logsource:
    category: application
    product: opencanary
detection:
    selection:
        logtype: 5005
    condition: selection
falsepositives:
    - Unlikely
level: high

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