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ConfigureDefender utility for Windows 10
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<blockquote data-quote="Andy Ful" data-source="post: 972060" data-attributes="member: 32260"><p>As [USER=78686]@SeriousHoax[/USER] noted, the concern is related to the specific Defender's configurations in Enterprises and are not relevant for home computers. Additional vulnerabilities are also related to the possibility of changing some Defender settings with high privileges, for example.</p><p>[URL unfurl="true"]https://www.bleepingcomputer.com/news/security/microsoft-code-sign-check-bypassed-to-drop-zloader-malware/[/URL]</p><p>[URL unfurl="true"]https://research.checkpoint.com/2022/can-you-trust-a-files-digital-signature-new-zloader-campaign-exploits-microsofts-signature-verification-putting-users-at-risk/[/URL]</p><p></p><p>Such attacks are performed in Enterprises via lateral movement (this can take weeks or months). First, the attacker tries to compromise the network and steal the Administrator credentials to get high privileged access to other computers. Next, something like Zloader is used to infect computers in the network and get persistence by changing Defender's settings (high privileges are used). Such attacks can be prevented in many cases by using ConfigureDefender HIGH settings. But, if the attacker is highly motivated and knows the applied protection, then that protection can be usually bypassed (no matter which AV is installed). See for example:</p><p>[URL unfurl="false"]https://malwaretips.com/threads/simple-windows-hardening.102265/post-970819[/URL]</p><p></p><p><strong>Performing similar attacks against home users is much harder (very rare) and not necessary, except for targeted attacks on diplomates, dissidents, or celebrities.</strong> The widespread attacks that would require high privileges will mostly fail against Defender, because Microsoft added the behavior-based modules that can detect known UAC bypasses. So actually, Defender has got probably the best "anti-UAC bypass" protection.</p><p></p><p>Of course, this cannot save people who intentionally install cracks, pirated software, etc. In such cases, the security alerts will be simply ignored, and the 0-day malware will be installed with high privileges.</p></blockquote><p></p>
[QUOTE="Andy Ful, post: 972060, member: 32260"] As [USER=78686]@SeriousHoax[/USER] noted, the concern is related to the specific Defender's configurations in Enterprises and are not relevant for home computers. Additional vulnerabilities are also related to the possibility of changing some Defender settings with high privileges, for example. [URL unfurl="true"]https://www.bleepingcomputer.com/news/security/microsoft-code-sign-check-bypassed-to-drop-zloader-malware/[/URL] [URL unfurl="true"]https://research.checkpoint.com/2022/can-you-trust-a-files-digital-signature-new-zloader-campaign-exploits-microsofts-signature-verification-putting-users-at-risk/[/URL] Such attacks are performed in Enterprises via lateral movement (this can take weeks or months). First, the attacker tries to compromise the network and steal the Administrator credentials to get high privileged access to other computers. Next, something like Zloader is used to infect computers in the network and get persistence by changing Defender's settings (high privileges are used). Such attacks can be prevented in many cases by using ConfigureDefender HIGH settings. But, if the attacker is highly motivated and knows the applied protection, then that protection can be usually bypassed (no matter which AV is installed). See for example: [URL unfurl="false"]https://malwaretips.com/threads/simple-windows-hardening.102265/post-970819[/URL] [B]Performing similar attacks against home users is much harder (very rare) and not necessary, except for targeted attacks on diplomates, dissidents, or celebrities.[/B] The widespread attacks that would require high privileges will mostly fail against Defender, because Microsoft added the behavior-based modules that can detect known UAC bypasses. So actually, Defender has got probably the best "anti-UAC bypass" protection. Of course, this cannot save people who intentionally install cracks, pirated software, etc. In such cases, the security alerts will be simply ignored, and the 0-day malware will be installed with high privileges. [/QUOTE]
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