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General Security Discussions
How to harden my system against usb spreading Malware?
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<blockquote data-quote="Andy Ful" data-source="post: 859626" data-attributes="member: 32260"><p>The AutoRun vulnerability is patched for USB drives from Vista SP2. But, this can be reverted by malware via modifications in the Windows Registry. Also, the AutoPlay feature cannot run anything automatically, except for some Windows exploits (like LNK exploit) for example when the content is displayed in the Explorer.</p><p>[URL unfurl="false"]https://fortiguard.com/encyclopedia/endpoint-vuln/50524[/URL]</p><p></p><p>Nice article about USB attacks:</p><p>[URL unfurl="false"]https://www.bleepingcomputer.com/news/security/heres-a-list-of-29-different-types-of-usb-attacks/[/URL]</p><p></p><p>When one uses WD + ConfigureDefender in HIGH Protection Level, then there is activated the ASR rule "Block untrusted and unsigned processes that run from USB".</p><p>But it can be bypassed if the user will not run the file from USB, but copy the file from USB to hard disk and will execute this file from hard disk.</p><p>One can use SRP to block by default the execution of unsafe files (executables, scripts, shortcuts, etc.) from USB sources.</p><p></p><p>The main problem with USB security in the home environment is that some files can trigger execution (also filelessly) when they are simply displayed (parsed) in the Explorer. This requires a Windows OS exploit, so it can be missed by most AVs and SRP.</p><p>The most common infections via executing shortcuts by the user, can be prevented if the user is cautious enough and have set the Explorer to show file extensions.</p></blockquote><p></p>
[QUOTE="Andy Ful, post: 859626, member: 32260"] The AutoRun vulnerability is patched for USB drives from Vista SP2. But, this can be reverted by malware via modifications in the Windows Registry. Also, the AutoPlay feature cannot run anything automatically, except for some Windows exploits (like LNK exploit) for example when the content is displayed in the Explorer. [URL unfurl="false"]https://fortiguard.com/encyclopedia/endpoint-vuln/50524[/URL] Nice article about USB attacks: [URL unfurl="false"]https://www.bleepingcomputer.com/news/security/heres-a-list-of-29-different-types-of-usb-attacks/[/URL] When one uses WD + ConfigureDefender in HIGH Protection Level, then there is activated the ASR rule "Block untrusted and unsigned processes that run from USB". But it can be bypassed if the user will not run the file from USB, but copy the file from USB to hard disk and will execute this file from hard disk. One can use SRP to block by default the execution of unsafe files (executables, scripts, shortcuts, etc.) from USB sources. The main problem with USB security in the home environment is that some files can trigger execution (also filelessly) when they are simply displayed (parsed) in the Explorer. This requires a Windows OS exploit, so it can be missed by most AVs and SRP. The most common infections via executing shortcuts by the user, can be prevented if the user is cautious enough and have set the Explorer to show file extensions. [/QUOTE]
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