Florian Roth
29 lines
939 B
YAML
29 lines
939 B
YAML
title: Azure Unusual Authentication Interruption
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id: 8366030e-7216-476b-9927-271d79f13cf3
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status: experimental
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author: Austin Songer @austinsonger
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date: 2021/11/26
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description: Detects when there is a interruption in the authentication process.
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references:
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- https://docs.microsoft.com/en-us/azure/active-directory/fundamentals/security-operations-privileged-accounts
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logsource:
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product: azure
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service: signinlogs
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detection:
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selection1:
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ResultType: 50097
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ResultDescription: 'Device authentication is required'
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selection2:
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ResultType: 50155
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ResultDescription: 'DeviceAuthenticationFailed'
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selection3:
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ResultType: 50158
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ResultDescription: 'ExternalSecurityChallenge - External security challenge was not satisfied'
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condition: selection1 or selection2 or selection3
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level: medium
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falsepositives:
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- Unknown
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tags:
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- attack.initial_access
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- attack.t1078
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