Teams communication from suspicious external users

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This query helps hunt for communication from suspicious external users.

Attribute Value
Type Hunting Query
Solution GitHub Only
ID 1fbd2430-2dfe-421a-82b3-eabec5a0b38e
Tactics InitialAccess
Techniques T1566
Required Connectors MicrosoftThreatProtection
Source [View on GitHub](https://github.com/Azure/Azure-Sentinel/blob/master/Hunting Queries/Microsoft%20365%20Defender/Email%20and%20Collaboration%20Queries/Microsoft%20Teams%20protection/Communication%20from%20suspicious%20external%20users.yaml)

Tables Used

This content item queries data from the following tables:

Table Selection Criteria Transformations Ingestion API Lake-Only
MessageEvents SenderDisplayName contains "desk"
SenderDisplayName contains "help"
SenderDisplayName contains "home"
SenderDisplayName contains "it"
SenderDisplayName contains "support"
SenderDisplayName contains "working"
✓ ✗ ✓

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