Device code authentication from unseen autonomous system

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Identifies successful device code flow sign-ins from autonomous system numbers not seen for the user in the previous 30 days. Consistent with device code phishing: attacker initiates the flow, tricks the target into completing it.

Attribute Value
Type Hunting Query
Solution Standalone Content
ID 562647c0-5edb-4a47-afa2-fa662efa89bf
Tactics InitialAccess, CredentialAccess
Techniques T1528, T1078.004
Required Connectors AzureActiveDirectory
Source [View on GitHub](https://github.com/Azure/Azure-Sentinel/blob/master/Hunting Queries/MultipleDataSources/DeviceCodeSignInFromUnseenASN.yaml)

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