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dguido's profile
Dan Guido
Dan Guido
Dan Guido
@dguido

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Dan Guido

@dguido

CEO @trailofbits, organizer @EmpireHacking, director @hack_secure. Open DMs.

Brooklyn, NY
trailofbits.com
Joined April 2008

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    1. Dan Guido‏ @dguido 7 Apr 2017
      • Report Tweet
      • Report NetzDG Violation

      Now starting BugID with @berendjanwever at @InfiltrateCon #youkillityoueatitpic.twitter.com/oZouw4H2jE

      1 reply 7 retweets 16 likes
    2. Dan Guido‏ @dguido 7 Apr 2017
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      Replying to @dguido @berendjanwever @InfiltrateCon

      Did I find 1k bugs or 1 bug 1k times? Is this a vuln or a random crash? No one pays for crashes.

      1 reply 1 retweet 2 likes
    3. Dan Guido‏ @dguido 7 Apr 2017
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      Replying to @dguido @berendjanwever @InfiltrateCon

      @berendjanwever is evaluating 2500 crashes per day on major browsers. This yields about 1 vuln per month. For a sample, check #DailyBug.

      1 reply 2 retweets 6 likes
    4. Dan Guido‏ @dguido 7 Apr 2017
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      Replying to @dguido @berendjanwever @InfiltrateCon

      Dumb fuzzing yields poor results on browsers today. @berendjanwever's fuzzers understand the DOM and coordinate to find complex interactions

      1 reply 3 retweets 6 likes
    5. Dan Guido‏ @dguido 7 Apr 2017
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      Replying to @dguido @berendjanwever @InfiltrateCon

      MemGC in IE made 90% of his use-after-free bugs practically unexploitable. "This took a bite out of my income."

      1 reply 2 retweets 5 likes
    6. Dan Guido‏ @dguido 7 Apr 2017
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      Replying to @dguido @berendjanwever @InfiltrateCon

      MemGC is not a cure-all. A few UAFs are still exploitable. He's also finding type confusion, out of bounds reads/writes. UAFs are declining.

      1 reply 1 retweet 5 likes
      Dan Guido‏ @dguido 7 Apr 2017
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      Replying to @dguido @berendjanwever @InfiltrateCon

      BugID automatically performs common crash analysis steps. Goal was make more $ by reporting faster to bounty programs.

      8:26 AM - 7 Apr 2017
      • 1 Retweet
      • 3 Likes
      • `Ivan 𝚂𝚔𝚢𝙻𝚒𝚗𝚎𝚍
      1 reply 1 retweet 3 likes
        1. New conversation
        1. Dan Guido‏ @dguido 7 Apr 2017
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          Replying to @dguido

          BugID is a wrapper around CDB on Windows. It is similar to !exploitable but with more useful output. !exploitable was never useful for him.

          1 reply 0 retweets 0 likes
        2. Dan Guido‏ @dguido 7 Apr 2017
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          Replying to @dguido

          BugID reports contain lots of raw data plus a human readable summary.pic.twitter.com/eYIdJ7ej79

          1 reply 0 retweets 2 likes
        3. 7 more replies

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