Detectionhightest

OpenCanary - SMB File Open Request

Detects instances where an SMB service on an OpenCanary node has had a file open request.

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Security Onion SolutionsCreated Fri Mar 0822777c9e-873a-4b49-855f-6072ab861a52application

Log Source

opencanaryapplication

Productopencanary← raw: opencanary

Categoryapplication← raw: application

Detection Logic

detection:
    selection:
        logtype: 5000
    condition: selection

False Positives

Unlikely

False positives are unlikely for most environments. High confidence detection.

References

MITRE ATT&CK

Tactics

Techniques

Rule Metadata

Rule ID

22777c9e-873a-4b49-855f-6072ab861a52

Status

test

Level

high

Type

Detection

Created

Fri Mar 08

Author

Path

rules/application/opencanary/opencanary_smb_file_open.yml

Raw Tags

attack.lateral-movementattack.collectionattack.t1021attack.t1005