OpenCanary - SMB File Open Request
Detects instances where an SMB service on an OpenCanary node has had a file open request.
Detection logic
Detection requirements
- Platform
- ESXiIaaSLinuxmacOSNetwork DevicesWindows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
- Log source product
- opencanary
- Log source category
- application
Known benign triggers
- Unlikely
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
References
| Reference | Cited by |
|---|---|
| github.com/thinkst/opencanary/blob/a0896adfcaf0328cfd5829fe10d2878c7445138e/opencanary/logger.py#L52 | 24 |
| opencanary.readthedocs.io/en/latest/starting/configuration.html#services-configuration | 24 |
From the source
- At source
- Open at source
- Upstream identifier
- 22777c9e-873a-4b49-855f-6072ab861a52
- Tagged by the source as
- attack.collectionattack.lateral-movement
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Aug 26, 2026
- Version
- 1