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Thread: Antivirus is shit, everything is compromised, etc etc (Cybersecurity thread)

  1. #341

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    with AV vendors now saying "it's the customer;s choice whether to tick the registry box or not" as well.
    fuck those guys seriously.
    Please don't teach me what to do with my pc.

  2. #342
    walrus's Avatar
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    If I'm not mistaken, microcode updates will be/is available from Intel and AMD. Will those be available through normal Windows/Linux/OSX update channels, or do you have to find them on the CPU manufacturers sites?
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  3. #343
    Donor TheManFromDelmonte's Avatar
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    Quote Originally Posted by walrus View Post
    If I'm not mistaken, microcode updates will be/is available from Intel and AMD. Will those be available through normal Windows/Linux/OSX update channels, or do you have to find them on the CPU manufacturers sites?
    Haha no neither of those.
    You have to go to your mb manufacturer and get the bios update.

  4. #344
    Movember 2012 Stoffl's Avatar
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    Linux doesn't need bios microcode updates you can just patch the kernel.


    Windows can and has(in the past) rolled out microcode updates via windows updates alltough I'm not sure why they won't in this case.

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  5. #345
    Daneel Trevize's Avatar
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    Linux does indeed directly apply firmware updates for CPUs.
    https://www.bleepingcomputer.com/new...-spectre-bugs/

    AMD sound like they're doing likewise https://hardware.slashdot.org/story/...ulnerabilities

    Intel is unable to deny some issues caused by their fix to the original issues.
    https://www.bleepingcomputer.com/new...mware-updates/
    Quote Originally Posted by QuackBot View Post
    Idk about that, and i'm fucking stupid.

  6. #346

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    Quote Originally Posted by TheManFromDelmonte View Post
    Haha no neither of those.
    You have to go to your mb manufacturer and get the bios update.
    They can but are unlikely to do so. Not their hardware to be fucking with.

  7. #347
    Donor TheManFromDelmonte's Avatar
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    Quote Originally Posted by elmicker View Post
    Quote Originally Posted by TheManFromDelmonte View Post
    Haha no neither of those.
    You have to go to your mb manufacturer and get the bios update.
    They can but are unlikely to do so. Not their hardware to be fucking with.
    Yeah but I'm not talking hypothetically. Ms and Intel have announced for thisissue you need a biosupdate.

  8. #348

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    One thing to keep in mind when talking about "rolling out micorcode patch": this isn't your normal OS/app patch, which gets applied once and then it's done (~a bunch of faulty files gets repalced with fixed ones). A microcode patch is non-persistant and is - applied/run on every machine boot by the OS.

  9. #349
    Donor Sparq's Avatar
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    just a small, subsidiary source of amusement resulting from the Hawaiian false alarm,


  10. #350
    Donor Sparq's Avatar
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    ~ and now for something completely different,

    Trisis has mistakenly been released on the open internet

    An elite, government authored cyberweapon has been sitting online in public view for nearly anyone to copy since Dec. 22 because multinational energy technology company Schneider Electric mistakenly posted a sensitive computer file to VirusTotal, three sources familiar with the matter told CyberScoop.

    Schneider Electric obtained the file in question, titled “Library.zip,” after collecting evidence during a data breach investigation in the Middle East that focused on an incident at an oil and gas refinery. Library.zip holds the backbone of a dangerous malware framework known as “Trisis” or “Triton,” according to research by U.S. cybersecurity companies Dragos Inc. and FireEye.

  11. #351

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    Red Hat just pulled their Spectre microcode updates, citing system instability and telling anyone who wants them to get them from the hardware manufacturer.

    The fun continues.

  12. #352
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    Anecdotal evidence puts Meltdown/Spectre updated machines into the "holy shit" am I running a miner malware territory.

    Literally tens of acquaintances are pestering me what to do. Slowdowns include issues with opening apps, opening more than a few browser tabs, general directory navigation and so on.

    Given the fact my desktop is still sidelined from a few hardware failures I can't test this just yet, but I'll make sure to backup all the stuff before installing any updates or microcode stuff.

    Any similar experiences?


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  13. #353
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    Quote Originally Posted by Cosmin View Post
    Literally tens of acquaintances are pestering me what to do. Slowdowns include issues with opening apps, opening more than a few browser tabs, general directory navigation and so on.
    Could that be one of those cases where people are looking for slowdown now, and just discovering them even though they have lived with them for years?
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  14. #354
    Donor halbarad's Avatar
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    I've noticed zero performance difference on my main machine, even running slack, chrome with 10+ tabs, Firefox and various other applications. I use this 10+ hours a day so would have expected to see some performance hit.

  15. #355
    Donor Sparq's Avatar
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    Quote Originally Posted by Cosmin View Post
    Anecdotal evidence puts Meltdown/Spectre updated machines into the "holy shit" am I running a miner malware territory.
    Options:

    Buy a Raspberry Pi 3

    OR

    Become Henry David Thoreau reborn.



    ~ more seriously, I am curious as to what, if anything, I'll notice once I'm fully patched up myself since I'm only working with an Athlon 5350 to begin with (4 x 2.05 GHz) - not exactly a beast with big performance margins by which to afford any losses.

    eh, we'll see



    also



    The widely used ZFS file system software is slowed down in both read IOPS and throughput by Intel CPU microcode fixes for the Spectre processor design flaws, one set of numbers suggests.



  16. #356
    Cosmin's Avatar
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    Thanks for the feedback guys, I don't think it's something they were looking for tbh.


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  17. #357
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    Also forgot about ZFS, that will be p awful.


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  18. #358
    Movember 2011Movember 2012 Nordstern's Avatar
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    Quote Originally Posted by Cosmin View Post
    Anecdotal evidence puts Meltdown/Spectre updated machines into the "holy shit" am I running a miner malware territory.

    Literally tens of acquaintances are pestering me what to do. Slowdowns include issues with opening apps, opening more than a few browser tabs, general directory navigation and so on.

    Given the fact my desktop is still sidelined from a few hardware failures I can't test this just yet, but I'll make sure to backup all the stuff before installing any updates or microcode stuff.

    Any similar experiences?


    Sent from my iPhone using Tapatalk
    I've been having an issue with the latest AMD Adrenalin drivers. Apparently, there is a bug in Firefox where if you open a YouTube video, your GPU load shoots to 100% and stays there even when you close the browser. My fan is also stuck at 34% load. You can change some flags in Firefox to stop this from happening, or use the Crimson drivers.
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  19. #359
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    I've noticed no change over 6 machines all with intel CPUs.
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  20. #360

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    Quote Originally Posted by Cosmin View Post
    Anecdotal evidence puts Meltdown/Spectre updated machines into the "holy shit" am I running a miner malware territory.

    Literally tens of acquaintances are pestering me what to do. Slowdowns include issues with opening apps, opening more than a few browser tabs, general directory navigation and so on.

    Given the fact my desktop is still sidelined from a few hardware failures I can't test this just yet, but I'll make sure to backup all the stuff before installing any updates or microcode stuff.

    Any similar experiences?


    Sent from my iPhone using Tapatalk
    On my private gaming rig: no difference that I'm aware of.

    From various internet articles/comments by both users and vendors: it depends upon your usage. Generally (disk) I/O and networking seems to be hit hard. The faster the discs (SSD), the more notable the performance lack is. So users with SATA drives won't notice a difference, because SATA itself is slower than the patch performance loss.

    Games/graphics seem basically unaffected. My uneducated guess is that here the GPU does most of the work and therefore is mostly unaffected from the patch, which targets CPU behavior.

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