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MediumMicrosoft Sentinel analyticsMicrosoft Security Research

Failed AzureAD logons but success logon to AWS Console

Identifies a list of IP addresses with a minimum number (defualt of 5) of failed logon attempts to Microsoft Entra ID. Uses that list to identify any successful AWS Console logons from these IPs within the same…

Description

Identifies a list of IP addresses with a minimum number (defualt of 5) of failed logon attempts to Microsoft Entra ID. Uses that list to identify any successful AWS Console logons from these IPs within the same timeframe.

Detection logic

Detection requirements

Platform
ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows

The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.

Log source product
awsazureactivedirectory
Log source service
aadnoninteractiveusersigninlogsawscloudtrailsigninlogs

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