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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    1. SwiftOnSecurity‏ @SwiftOnSecurity Feb 13

      SwiftOnSecurity Retweeted @dietrich@mastodon.social

      Antivirus is always a good place to start on troubleshooting inexplicable delayshttps://twitter.com/dietrich/status/963470291824357376 …

      SwiftOnSecurity added,

      @dietrich@mastodon.social @dietrich
      Firefox: 100ms Firefox + Kaspersky: 14s https://bugzilla.mozilla.org/show_bug.cgi?id=1348361#c52 …
      13 replies 31 retweets 119 likes
    2. Rich Felker‏ @RichFelker Feb 13
      Replying to @SwiftOnSecurity

      See my favorite example:https://stackoverflow.com/questions/5924707/fwrite-chokes-on-xml-version/5924782#5924782 …

      1 reply 5 retweets 27 likes
    3. Vess‏ @VessOnSecurity Feb 14
      Replying to @RichFelker @SwiftOnSecurity

      This answer is another bunch of nonsense by someone who has no clue how AV works and why it does what it does. All the suggestions given in it are rubbish. There are very good reasons why AV programs don't do that.

      1 reply 1 retweet 3 likes
    4. Rich Felker‏ @RichFelker Feb 15
      Replying to @VessOnSecurity @SwiftOnSecurity

      I'll take that as a compliment I guess, but others might appreciate hearing your reasons.

      1 reply 0 retweets 0 likes
    5. Vess‏ @VessOnSecurity Feb 15
      Replying to @RichFelker @SwiftOnSecurity

      Sigh... It wasn't a compliment, as I'm sure you know perfectly well. Somebody did try to explain in the comments why at least some of it is nonsense, but you didn't listen. OK, let's look at the suggestions one by one.

      1 reply 1 retweet 3 likes
    6. Vess‏ @VessOnSecurity Feb 15
      Replying to @VessOnSecurity @RichFelker @SwiftOnSecurity

      Advice #1: Scan only on transition between writing and reading. Well, sometimes a long time passes between these, you know. User unpacks a malicious archive and forgets about it. A month later he remembers and clicks on something - boom.

      3 replies 1 retweet 5 likes
      Rich Felker‏ @RichFelker Feb 15
      Replying to @VessOnSecurity @SwiftOnSecurity

      That "month later he clicks" is the transition. You scan then. This requires storage of scanned-state & other metadata for all files in fs, yes. But it's totally viable.

      1:06 PM - 15 Feb 2018
      1 reply 0 retweets 0 likes
        1. Vess‏ @VessOnSecurity Feb 15
          Replying to @RichFelker @SwiftOnSecurity

          No, it's not. You'd have to keep a database of every scannable file on the system, plus metadata. Waste space, waste time to handle it, waste memory - and still eventually have to scan it anyway. You'd have to keep such info permanently, because you never know how long is enough.

          0 replies 0 retweets 1 like
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