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General Security Discussions
USB Malware
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<blockquote data-quote="Andy Ful" data-source="post: 921553" data-attributes="member: 32260"><p>Autorun is disabled by default since Windows 7. Autoplay is not dangerous. The modern USB malware does not use them at all.</p><p></p><p>BadUSB simply emulates a keyboard. This can be done when using the USB device with a micro controller that allows for overwriting. There are commercial & legal devices that use this method for Admin or pentester tasks.</p><p>One can prevent BadUSB by restricting the installation of USB devices (not necessary in the home environment).</p><p><a href="https://heimdalsecurity.com/blog/badusb-exploit-vulnerability-fix/" target="_blank">How to Fix the Critical BadUSB Security Flaw in Less than 10 Minutes (heimdalsecurity.com)</a></p><p></p><p>Another method (patched by Microsoft) depended on the exploit via the vulnerability in displaying the icon of the shortcut. This was a very dangerous infection technique.</p><p></p><p>In the home environment, the USB malware is usually related to a shortcut (LNK file) that pretends to be a document or another innocent file (by using a spoofed icon). The shortcut can run a payload that is hidden somewhere in the USB device. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite130" alt="(y)" title="Thumbs up (y)" loading="lazy" data-shortname="(y)" /></p></blockquote><p></p>
[QUOTE="Andy Ful, post: 921553, member: 32260"] Autorun is disabled by default since Windows 7. Autoplay is not dangerous. The modern USB malware does not use them at all. BadUSB simply emulates a keyboard. This can be done when using the USB device with a micro controller that allows for overwriting. There are commercial & legal devices that use this method for Admin or pentester tasks. One can prevent BadUSB by restricting the installation of USB devices (not necessary in the home environment). [URL='https://heimdalsecurity.com/blog/badusb-exploit-vulnerability-fix/']How to Fix the Critical BadUSB Security Flaw in Less than 10 Minutes (heimdalsecurity.com)[/URL] Another method (patched by Microsoft) depended on the exploit via the vulnerability in displaying the icon of the shortcut. This was a very dangerous infection technique. In the home environment, the USB malware is usually related to a shortcut (LNK file) that pretends to be a document or another innocent file (by using a spoofed icon). The shortcut can run a payload that is hidden somewhere in the USB device. (y) [/QUOTE]
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