Unusual Process Writing Data to an External Device
A machine learning job has detected a rare process writing data to an external device. Malicious actors often use benign-looking processes to mask their data exfiltration activities. The discovery of such a process…
Description
A machine learning job has detected a rare process writing data to an external device. Malicious actors often use benign-looking processes to mask their data exfiltration activities. The discovery of such a process that has no legitimate reason to write data to external devices can indicate exfiltration.
Detection logic
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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 |
|---|---|
| docs.elastic.co/en/integrations/ded | 7 |
| www.elastic.co/blog/detect-data-exfiltration-activity-with-kibanas-new-integration | 7 |
| www.elastic.co/guide/en/security/current/prebuilt-ml-jobs.html | 103 |
From the source
- At source
- Open at source
- Upstream identifier
- 4b95ecea-7225-4690-9938-2a2c0bad9c99
- Tagged by the source as
- Data Source: Elastic DefendDomain: EndpointResources: Investigation GuideRule Type: Machine LearningRule Type: MLTactic: ExfiltrationUse Case: Data Exfiltration Detection
Licence
- Published under
- Elastic License 2.0Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Sep 20, 2026
- Version
- 2