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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Hector Martin‏ @marcan42 2 Aug 2017
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      SMBLoris attack proof of concept: brings down my fully patched Win10 box in seconds. https://gist.github.com/marcan/6a2d14b0e3eaa5de1795a763fb58641e …pic.twitter.com/tJWYiXRP7z

      22 replies 451 retweets 631 likes
    2. Hector Martin‏ @marcan42 2 Aug 2017
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      Replying to @marcan42

      And this was slowed down by having Wireshark running in the background. It's twice as fast or more after killing that.

      2 replies 6 retweets 22 likes
    3. Hector Martin‏ @marcan42 2 Aug 2017
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      Replying to @marcan42

      Win10 gone in under 10 sec of SMBLoris (8GB RAM). Less overhead on the attacker side this time. Stopping the attack causes borked graphics.pic.twitter.com/h4n6hbxnIA

      2 replies 54 retweets 106 likes
    4. Rick‏ @gibbed 2 Aug 2017
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      Replying to @marcan42

      The graphics thing seems like GDI handle exhaustion to me.

      1 reply 0 retweets 0 likes
    5. Mark Steward‏ @marksteward 2 Aug 2017
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      Replying to @gibbed @marcan42

      Maybe, but as someone who often runs Windows under memory pressure, I've seen all sorts of weird graphics drivers issues when near the line

      1 reply 0 retweets 1 like
    6. Hector Martin‏ @marcan42 2 Aug 2017
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      Replying to @marksteward @gibbed

      Running the attack for a bit longer causes disk I/O errors due to the storage driver not being able to allocate, and then everything borks.

      1 reply 0 retweets 2 likes
      Hector Martin‏ @marcan42 2 Aug 2017
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      Replying to @marcan42 @marksteward @gibbed

      The system looks like it recovers but it keeps freezing periodically, things stop working, and the only fix is a hard reboot.

      12:33 PM - 2 Aug 2017
      • 4 Likes
      • zǝɹosum0x0🦉 Mark Steward leonceundlena Rick
      1 reply 0 retweets 4 likes
        1. Rick‏ @gibbed 2 Aug 2017
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          Replying to @marcan42 @marksteward

          I guess if memory was exhausted in general GDI handle allocation would fail too. Pretty nasty.

          0 replies 0 retweets 1 like
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