MediumSigmaHQ Florian Roth (Nextron Systems)

TeamViewer Domain Query By Non-TeamViewer Application

Detects DNS queries to a TeamViewer domain only resolved by a TeamViewer client by an image that isn't named TeamViewer (sometimes used by threat actors for obfuscation)

Detection logic

Detection requirements

Platform: Linux macOS Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: windows
Log source category: dns_query

Known benign triggers

Depending on the environment the rule might require some initial tuning before usage to avoid FP with third party applications
Unknown binary names of TeamViewer

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
www.teamviewer.com/en-us/	Unclassified	2

Detection rules

TeamViewer Domain Query By Non-TeamViewer Application

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules