Short-window IP failure burst followed by successful sign-in

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Hunt for IP addresses that fail sign-ins against multiple identities and then authenticate successfully within a short time window. This can highlight password spraying or credential misuse patterns and requires analyst validation.

Attribute	Value
Type	Hunting Query
Solution	Standalone Content
ID	5c3a480b-d7a8-4a9c-a6b5-5bb2e3ebac89
Tactics	CredentialAccess, InitialAccess
Techniques	T1110.003, T1078
Required Connectors	AzureActiveDirectory
Source	[View on GitHub](https://github.com/Azure/Azure-Sentinel/blob/master/Hunting Queries/MultipleDataSources/IPIdentityFailureBurstFollowedBySuccess.yaml)

Tables Used

This content item queries data from the following tables:

Table	Transformations	Ingestion API	Lake-Only
AADNonInteractiveUserSignInLogs	✓	✗	✓
SigninLogs	✓	✗	✓

Associated Connectors

The following connectors provide data for this content item:

Connector	Solution
AzureActiveDirectory	Microsoft Entra ID

Solutions: Microsoft Entra ID

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