OpenCanary - NMAP OS Scan

 1title: OpenCanary - NMAP OS Scan
 2id: e8a677fd-248c-4eab-94df-de2f6f645884
 3status: experimental
 4description: Detects instances where an OpenCanary node has been targeted by a NMAP OS Scan
 5references:
 6    - https://opencanary.readthedocs.io/en/latest/starting/configuration.html#services-configuration
 7    - https://github.com/thinkst/opencanary/blob/a0896adfcaf0328cfd5829fe10d2878c7445138e/opencanary/logger.py#L52
 8author: Marco Pedrinazzi (@pedrinazziM)
 9date: 2026-01-06
10tags:
11    - attack.discovery
12    - attack.t1046
13logsource:
14    category: application
15    product: opencanary
16detection:
17    selection:
18        logtype: 5002
19    condition: selection
20falsepositives:
21    - Unlikely
22level: high

References

• Configuration — OpenCanary 0.9 documentation

  Configuration Since we have many services, and each service has a few options, we have listed them all for you. Services Configuration We have gone ahead and listed all the services by their config...

  
  Read More

• opencanary/opencanary/logger.py at a0896adfcaf0328cfd5829fe10d2878c7445138e · thinkst/opencanary

  

  Modular and decentralised honeypot. Contribute to thinkst/opencanary development by creating an account on GitHub.

  
  Read More

Related rules

• OpenCanary - Host Port Scan (SYN Scan)
• OpenCanary - NMAP FIN Scan
• OpenCanary - NMAP NULL Scan
• OpenCanary - NMAP XMAS Scan
• Linux Network Service Scanning - Auditd