Windows Defender Driver Abuse Enables Kernel-Level EDR and Antivirus Bypass

Security researcher Jiří Vinopal has published a detailed analysis of BTR.sys, the Microsoft Defender Boot-Time Removal driver. His research reveals how this legitimate, Microsoft-signed component can be exploited to perform file and registry operations under attacker control from kernel mode. This study, titled >>BTR Reforged,<< does not rely on traditional memory-corruption vulnerabilities or the Bring […] The post Windows Defender Driver Abuse Enables Kernel-Level EDR and Antivirus Bypass appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.

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