Cybercriminals affiliated with the Qilin ransomware-as-a-service (RaaS) operation have demonstrated advanced evasion techniques by exploiting a previously undocumented vulnerable driver, TPwSav.sys, to disable Endpoint Detection and Response (EDR) systems through a bring-your-own-vulnerable-driver (BYOVD) attack. First observed in July 2022, Qilin employs double extortion tactics, exfiltrating data for leakage on dedicated sites if ransoms remain unpaid, […]

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Aman Mishra

Source: gbHackers
Source Link: https://gbhackers.com/qilin-ransomware-uses-tpwsav-sys-driver/