Techniques
Sample rules
Windows AI Platform DNS Query
- source: splunk
- technicques:
- T1071.004
Description
The following analytic detects DNS queries initiated by the Windows AI Platform to domains associated with Hugging Face, a popular provider of machine learning models and services. Monitoring for such DNS requests is important because it can reveal when systems are reaching out to external AI platforms, which may indicate the use of third-party AI resources or the transfer of sensitive data outside the organization’s environment. Detecting these queries helps organizations enforce data governance policies, prevent unapproved use of external AI services, and maintain visibility into potential data exfiltration risks. Proactive monitoring ensures better control over AI model usage and organizational data flows.
Detection logic
`sysmon` EventCode=22 process_name IN ("python.exe", "cmd.exe", "rundll32.exe","powershell.exe", "pwsh.exe") QueryName= "router.huggingface.co"
| rename dvc as dest
| stats count min(_time) as firstTime max(_time) as lastTime by answer answer_count dest process_exec process_guid process_name query query_count reply_code_id signature signature_id src user_id vendor_product QueryName QueryResults QueryStatus
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`
| `windows_ai_platform_dns_query_filter`