LowMicrosoft Sentinel analytics Yaron Fruchtmann

DNS events related to ToR proxies (ASIM DNS Schema)

Identifies IP addresses performing DNS lookups associated with common ToR proxies. This analytic rule uses [ASIM](https://aka.ms/AboutASIM) and supports any built-in or custom source that supports the ASIM DNS schema

Detection logic

Detection requirements

Platform: ESXi IaaS Linux macOS Network Devices Office Suite SaaS Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: azurefirewall ciscoumbrelladataconnector corelight dns gcpdnsdataconnector infobloxnios nxlogdnslogs zscaler
Log source service: azurediagnostics cisco_umbrella_dns_cl commonsecuritylog corelight_cl dnsevents gcp_dns_cl nxlog_dns_server_cl syslog

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
github.com/Azure/Azure-Sentinel/blob/master/Detections/DnsEvents/DNS_TorProxies.yaml	Tool	Only this detection cites it

Detection rules

DNS events related to ToR proxies (ASIM DNS Schema)

Detection logic

Detection requirements

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules