Rare Domains in External Teams Messages

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Detects rare domains (seen in fewer than 3 Teams messages) appearing in external Microsoft Teams threads within the last 24 hours.

Attribute	Value
Type	Hunting Query
Solution	Microsoft Defender XDR
ID	b2a36ca5-b6a4-4f27-a7d8-7f044885cccf
Tactics	InitialAccess, Execution
Techniques	T1566, T1204
Required Connectors	MicrosoftThreatProtection
Source	View on GitHub

Tables Used

This content item queries data from the following tables:

Table	Transformations	Ingestion API	Lake-Only
MessageEvents	?	✗	?
MessageUrlInfo	?	✗	?
UrlClickEvents	✓	✗	?

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