OpenCanary - NMAP NULL Scan
Detects instances where an OpenCanary node has been targeted by a NMAP NULL Scan
Sigma rule (View on GitHub)
1title: OpenCanary - NMAP NULL Scan
2id: 68b8547b-107f-43f3-97fb-900a7d63c190
3status: experimental
4description: Detects instances where an OpenCanary node has been targeted by a NMAP NULL 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: 5003
19 condition: selection
20falsepositives:
21 - Unlikely
22level: high
References
-
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 -
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