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Firewall boot-stage protection
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<blockquote data-quote="Rijndael" data-source="post: 840178" data-attributes="member: 83138"><p>Secure Boot was designed with the aim of stop rootkits.</p><p>How it works is based on checking the bootloader signature and loading it if it is trusted.</p><p>Right now the only way that a malware can infect the MBR or BIOS of a PC with UEFI is by exploiting a vulnerability.</p><p>So It's very difficult for someone to get infected with a <u>virus that is able to start before the OS or Firewall</u>.</p><p></p><p>However, Rootkits Drivers remain a dangerous threat. Even with Patch Guard and Driver Signature Enforcement, malware writers continue to infect PCs with rootkits. One of its strategies is to search the internet for software that uses drivers in Kernel Mode (signed drivers) and analyze them for vulnerabilities.</p><p>When they find a vulnerable driver they load the driver on the victim's PC and use the vulnerability to execude malicious code in Kernel Mode</p><p></p><p></p><p>Yes, firewall driver is loaded when System Drivers are loaded, network drivers are loaded later (when 3rd Party Drivers are loaded).</p></blockquote><p></p>
[QUOTE="Rijndael, post: 840178, member: 83138"] Secure Boot was designed with the aim of stop rootkits. How it works is based on checking the bootloader signature and loading it if it is trusted. Right now the only way that a malware can infect the MBR or BIOS of a PC with UEFI is by exploiting a vulnerability. So It's very difficult for someone to get infected with a [U]virus that is able to start before the OS or Firewall[/U]. However, Rootkits Drivers remain a dangerous threat. Even with Patch Guard and Driver Signature Enforcement, malware writers continue to infect PCs with rootkits. One of its strategies is to search the internet for software that uses drivers in Kernel Mode (signed drivers) and analyze them for vulnerabilities. When they find a vulnerable driver they load the driver on the victim's PC and use the vulnerability to execude malicious code in Kernel Mode Yes, firewall driver is loaded when System Drivers are loaded, network drivers are loaded later (when 3rd Party Drivers are loaded). [/QUOTE]
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