description: The following analytic detects the execution of PowerShell scripts containing Base64 encoded content, specifically identifying the use of `FromBase64String`. It leverages PowerShell ...
description: The following analytic detects suspicious PowerShell activity via EventCode 4104, where WMI performs event queries to gather information on running processes or services. This detection ...
Microsoft is publishing for the first time our research into a subgroup within the Russian state actor Seashell Blizzard and its multiyear initial access operation, tracked by Microsoft Threat ...
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