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windows virus from the game played through proton on linux finding itself on an empty c drive (files.catbox.moe)
submitted 1 day ago by to c/linuxmemes@lemmy.world
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[–] 121 points 1 day ago (21 children)

Here's a careful reminder that Linux viruses can come in Windows executables.

When it comes to hacking in the modern day it's all about escaping the box - whether that box is a container, a VM, a sandbox or indeed even an emulated environment. So we should still fear the binary blob.

Remember: update early, update often - no matter how painful that sounds.

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  • [–] 62 points 1 day ago (15 children)

    Remember: update early, update often - no matter how painful that sounds.

    Not anymore! Supply chain attacks have become so common that it's prudent to wait at least 7 days before updating to prevent installing malware from compromised update infrastructure.

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  • [–] 12 points 1 day ago (4 children)

    So, what's the solution? Debian Stable?

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  • [–] 14 points 1 day ago* (2 children)

    Debian + unattended upgrades + modern package managers for non-system-installed software covers your bases very well.

    Debian packages are downstream enough from their sources that the packaging delay keeps you safe (and means the updates have had human eyes on them before they hit you). Unattended upgrades means you don’t have to worry about running the upgrades yourself.

    Pip, npm, and the other big package managers now also support dependency cooldowns on their recent releases, but uv and pnpm pioneered that and cover you for older release environments.

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  • [–] 8 points 1 day ago

    Also I would heavily advocate for Debian Testing if you need a rolling release distro. It is less vetted than stable but is still more vetted than many other rolling release options and you can just stay on testing as versions change while getting features pretty fast compared to stable.

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  • [–] 7 points 1 day ago

    I really like Arch because I have a very custom setup and like to try the newest things, but this really worries me as Arch-based user-friendly distros that use the same packages make the repos a bigger target.

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  • [–] 3 points 1 day ago (7 children)

    What if you use for example ubuntu and wait 3 years?

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  • [–] 4 points 1 day ago

    I switched from Debian to an arch based distro. holy shit is it weird reading about some new things latest release only to have it pushed to the repo the same month or even the same day! I use btrfs so when things break its a 5 minute rollback and reboot.

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  • [–] 1 point 1 day ago (5 children)

    You’d still be fine if you’re not exposing public services or visiting actively-malicious websites.

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  • [–] 1 point 1 day ago (4 children)

    You are underestimating things. Unmalicious websites can still host malicious content by users, for example.

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  • [–] 1 point 1 day ago* (3 children)

    Okay, wanna give me a link to a PoC example you set up?

    I’ll reimage my laptop to an old Ubuntu ISO of your choice, and visit your link. Happy to be proven wrong.

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  • [–] 2 points 1 day ago (2 children)

    No, I will not spend hours of my time to win an irrelevant internet argument. :P

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  • [–] 3 points 1 day ago* (1 child)

    Fair enough!

    But I can tell you as a cybersecurity expert that you’d have a hard time finding a way to get any sort of remote execution from user-generated content on any major site, much less an exploitable browser sandbox escape.

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  • [–] 1 point 4 hours ago

    I think web browser exploits wouldn't be an issue on ubuntu anyways, as major web browsers do get regular upgrades there (or are not even installed via apt but snap nowadays). Also web browsers use sandboxes. I'm more worried about users downloading any kind of content and interacting with it via more niche software, like image viewers (though with glycin they nowadays also do sandboxing).

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  • [–] 13 points 1 day ago* (1 child)

    I read a hilarious article, probably 2 decades ago by now, where a guy decided to try running Windows viruses on Linux in Wine.

    If this really is a threat today, I would say that Wine has become a pretty damn impressive project. Here's the link in case anyone else wants to read it: https://entertainment.slashdot.org/story/05/01/26/219201/running-windows-viruses-under-linux

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  • [–] 2 points 1 day ago

    There’s never been an instance of widespread malware built with a dedicated ability to persist on a Linux host through Wine.

    It wouldn’t be hard at all for a hacker to manually wire up linux-specific malware on a computer once they had a RAT running in Wine, but there’s no credible risk of windows malware automatically installing “linux viruses” at present.

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