OpenCanary - TFTP Request

Detects instances where a TFTP service on an OpenCanary node has had a request.

Sigma rule (View on GitHub)

 1title: OpenCanary - TFTP Request
 2id: b4e6b016-a2ac-4759-ad85-8000b300d61e
 3status: experimental
 4description: Detects instances where a TFTP service on an OpenCanary node has had a request.
 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: Security Onion Solutions
 9date: 2024/03/08
10tags:
11    - attack.exfiltration
12    - attack.t1041
13logsource:
14    category: application
15    product: opencanary
16detection:
17    selection:
18        logtype: 10001
19    condition: selection
20falsepositives:
21    - Unlikely
22level: high

References

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