May 2019
Intermediate to advanced
448 pages
12h 21m
English
Content preview from Rootkits and Bootkits
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17HOW UEFI SECURE BOOT WORKS
In previous chapters, we talked about the introduction of the Kernel-Mode Code Signing Policy, which encouraged malware developers to shift from using rootkits to using bootkits, moving the attack vector from the OS kernel to unprotected boot components. This kind of malware executes before the OS loads, so it’s able to bypass or disable OS security mechanisms. In order to enforce security and ensure safety, then, the OS must be able to boot into a trusted environment whose components have not been tampered with.
This is where UEFI Secure Boot technology, the subject of this chapter, comes into play. Aimed primarily ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.