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taviso's profile
Tavis Ormandy
Tavis Ormandy
Tavis Ormandy
Verified account
@taviso

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Tavis OrmandyVerified account

@taviso

Vulnerability researcher at Google. This is a personal stream, opinions expressed are mine.

California
taviso.decsystem.org
Joined April 2008

Tweets

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    1. Chris Palmer‏ @fugueish 27 May 2019
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      Replying to @fugueish @daveaitel and

      I’m on the other side from Dave, but, we need to agree on the basics for the good of all. Please be more careful next time.

      1 reply 0 retweets 5 likes
    2. Nicole Perlroth‏Verified account @nicoleperlroth 28 May 2019
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      Replying to @fugueish @daveaitel and

      There’s no evidence Robbinhood did not use EternalBlue to spread in this case. They are still investigating whether this is a new variant/there were other propagation tools but multiple IR have confirmed EB’s role for lateral movement.

      1 reply 0 retweets 1 like
    3. Chris Palmer‏ @fugueish 28 May 2019
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      Replying to @nicoleperlroth @daveaitel and

      “No evidence that not-X” is... not a high standard, to put it gently. But even if Dave is wrong and RH used EB, that just means we fall back to other problems with the article.

      1 reply 3 retweets 6 likes
    4. Nicole Perlroth‏Verified account @nicoleperlroth 28 May 2019
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      Replying to @fugueish @daveaitel and

      Nicole Perlroth Retweeted Nicole Perlroth

      https://twitter.com/nicoleperlroth/status/1133578292517195776?s=21 …

      Nicole Perlroth added,

      Nicole PerlrothVerified account @nicoleperlroth
      A couple points on Dave’s hit piece that our story was a “badly researched” and written to sell books: 1. There are multiple IR teams on the ground in Baltimore. Every single one has confirmed the presence of EternalBlue as a propagation tool. 1/X) Every. Single. One. https://twitter.com/daveaitel/status/1133157567243464704 …
      Show this thread
      1 reply 0 retweets 3 likes
    5. Chris Palmer‏ @fugueish 28 May 2019
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      Replying to @nicoleperlroth @daveaitel and

      Chris Palmer Retweeted Nicole Perlroth

      Well, re this: https://twitter.com/nicoleperlroth/status/1133578307105054720?s=20 … Reverse engineering patches to develop exploits is 100% a real thing. It’s some people’s full-time job. I don’t know who you’re talking to, but that’s reality. Different equities would change the timeline, but not the root problem.

      Chris Palmer added,

      Nicole PerlrothVerified account @nicoleperlroth
      6. If NSA had turned the underlying 0day over to Microsoft 7+ years ago for patching, could hackers/nation states have reversed the patch and written an exploit for the underlying flaw and used it all the same? Maybe. Former TAOs have different takes than Dave on this.
      Show this thread
      2 replies 2 retweets 17 likes
    6. Nicole Perlroth‏Verified account @nicoleperlroth 28 May 2019
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      Replying to @fugueish @daveaitel and

      @tavisopic.twitter.com/S0SmJjkEpO

      4 replies 1 retweet 5 likes
    7. Tavis Ormandy‏Verified account @taviso 28 May 2019
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      Replying to @nicoleperlroth @fugueish and

      Chris is right on this, finding an infoleak to make a vuln reliable is just part of exploit development. I don't always agree with Dave, but this is not a matter of opinion, he's just stating a fact.

      2 replies 0 retweets 18 likes
    8. Tal Be'ery‏ @TalBeerySec 29 May 2019
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      Replying to @taviso @nicoleperlroth and

      IMHO and without taking sides on the bigger discussion, it's less about the vuln itself, but more about the robustness ("NSA grade“) of the exploit: reliable, cross Windows versions, easy payload integration etc.

      1 reply 0 retweets 4 likes
    9. Tavis Ormandy‏Verified account @taviso 30 May 2019
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      Replying to @TalBeerySec @nicoleperlroth and

      Sure, but that's just software engineering. You can make a flappy bird clone in an evening, but it's not going to run on much other than your desktop until you do some testing and get some bug reports. Nothing exploit specific there, that's just how sw development works?

      1 reply 0 retweets 2 likes
    10. Tal Be'ery‏ @TalBeerySec 30 May 2019
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      Replying to @taviso @nicoleperlroth and

      Vulnerability research takes one (very capable) man. Software engineering? It takes a village. Not to mention the maturity of code tested in the wild on many platforms for years.

      1 reply 0 retweets 2 likes
      Tavis Ormandy‏Verified account @taviso 30 May 2019
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      Replying to @TalBeerySec @nicoleperlroth and

      Yes, but my point is there is nothing magical about what the NSA did. I don't have to make my exploits reliable, because I just want the bugs fixed. I've seen metasploit devs take my code, test more configs, versions, fix bug reports from pentesters, etc and make it "NSA grade".

      10:34 AM - 30 May 2019
      • 7 Likes
      • Caitlin Condon Craig Stuntz wvu Weltschmerz Chief Chaos Monkey Tal Be'ery
      1 reply 0 retweets 7 likes
        1. New conversation
        2. Tavis Ormandy‏Verified account @taviso 30 May 2019
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          Replying to @taviso @TalBeerySec and

          I think you're arguing that the NSA did something special, that nobody outside of Government agencies could achieve, right? If that's not what you're arguing, that I'm lost 😛

          2 replies 0 retweets 2 likes
        3. Tal Be'ery‏ @TalBeerySec 30 May 2019
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          Replying to @taviso @nicoleperlroth and

          I agree. No magic. Just a lot of effort.

          1 reply 0 retweets 2 likes
        4. 2 more replies

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