"kernel stealth" . "Rootkit#Bootkits" . "Rootkit" . "Rootkit#Detection" . "rootkits" . . "Rootkit#Firmware and hardware" . "Rootkit" . . . . "target the boot loader" . . "malware" . . . . . "Rootkit#bootkit" . "rootkit" . . . . "kernel mode rootkits" . .