Fileless Powershell; MDM Vulnerablity; CosmicStrand UEFI Rootkit; @securelist @claroty @xme PowerShell Script with Fileless Capability https://isc.sans.edu/diary/PowerShell+Script+with+Fileless+Capability/28878 With Management Comes Risk: Finding Flaws in Filewave MDM https://claroty.com/2022/07/25/blog-research-with-management-comes-risk-finding-flaws-in-filewave-mdm/ CosmicStrand: the discovery of a sophisticated UEFI firmware rootkit https://securelist.com/cosmicstrand-uefi-firmware-rootkit/106973/ keywords: cosmicstrand; mdm; uefi; kaspersky; filewave; powershell; fileless