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MediumSigmaHQcitron_ninja

DNS Query To Devtunnels Domain

Detects DNS query requests to Devtunnels domains. Attackers can abuse that feature to establish a reverse shell or persistence on a machine.

Detection logic

Detection requirements

Platform
ESXiLinuxmacOSNetwork DevicesWindows

The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.

Log source product
windows
Log source category
dns_query

Known benign triggers

  • Legitimate use of Devtunnels will also trigger this.

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