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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

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    1. daveaitel‏ @daveaitel 27 May 2019
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      https://cybersecpolitics.blogspot.com/2019/05/baltimore-is-not-eternalblue.html … @nicoleperlroth @riskybusiness That article is badly researched and I didn't have time to do a line by line correction, but I did some of it.

      4 replies 13 retweets 25 likes
    2. Chris Palmer‏ @fugueish 27 May 2019
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      Replying to @daveaitel @zerointerupt and

      If “Robin Hood” doesn’t even use ETERNALBLUE, then crucial facts like that the bug has been public for 2 years pale in comparison (as important as such facts are and remain!). You may need to dig deeper, @nicoleperlroth and @ScottShaneNYT.

      1 reply 0 retweets 6 likes
    3. 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
    4. 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
    5. 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
    6. 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
    7. 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
    8. 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
      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.

      10:56 PM - 28 May 2019
      • 18 Likes
      • Craig Stuntz Aaron Grattafiori a_malevolent_ai Pirate Party Weekly🏴‍☠️ Stefano Zanero ϻг_ϻε Paul Makowski 🐺 Wepwawet
      2 replies 0 retweets 18 likes
        1. New conversation
        2. 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
        3. 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
        4. 6 more replies
        1. New conversation
        2. Kevin Beaumont‏Verified account @GossiTheDog 28 May 2019
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          Replying to @taviso @nicoleperlroth and

          There’s an interesting data point with MS17-010, the patch which fixed EternalBlue.exe exploit - it was released months beforehand, and basically nobody cared except zerosum.

          2 replies 0 retweets 10 likes
        3. Tavis Ormandy‏Verified account @taviso 28 May 2019
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          Replying to @GossiTheDog @nicoleperlroth and

          There are professional teams who reverse engineer and bindiff every patch, they care about every patch - we've hired some of them. I guess you mean nobody blogged about it? That's not unusual, but doesn't mean very much.

          1 reply 0 retweets 15 likes
        4. 7 more replies

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