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GetFirstSeenBehaviors()

Use the GetFirstSeenBehaviors() function in advanced hunting to return behaviors that contain at least one FirstSeen insight in the Insights column.

A FirstSeen insight indicates that a behavior, entity, value, or combination of values was observed for the first time.

Syntax

invoke GetFirstSeenBehaviors()

Parameters

This function has no explicit parameters. Invoke it as part of a query on a tabular input that contains an Insights column of type string.

Return value

Returns the rows from the input table that contain at least one FirstSeen insight. All columns from the input table are preserved.

Example

Find recent Microsoft Sentinel behaviors with FirstSeen insights

BehaviorInfo
| where ServiceSource == "Microsoft Sentinel"
| where TimeGenerated > ago(1d)
| invoke GetFirstSeenBehaviors()
| project TimeGenerated, BehaviorId, Title, Insights