OpenCanary - RDP New Connection Attempt

calendar Jan 24, 2026 · attack.initial-access attack.lateral-movement attack.t1133 attack.t1021.001  ·
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Detects instances where an RDP service on an OpenCanary node has had a connection attempt.

Sigma rule (View on GitHub)

 1title: OpenCanary - RDP New Connection Attempt
 2id: 598290cf-5932-45cd-9123-be1e05ab4f2e
 3status: experimental
 4description: Detects instances where an RDP service on an OpenCanary node has had a connection attempt.
 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.initial-access
12    - attack.lateral-movement
13    - attack.t1133
14    - attack.t1021.001
15logsource:
16    category: application
17    product: opencanary
18detection:
19    selection:
20        logtype: 14001
21    condition: selection
22falsepositives:
23    - Unlikely
24level: high

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