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AndreaBarisani's profile
Andrea Barisani
Andrea Barisani
Andrea Barisani
Verified account
@AndreaBarisani

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Andrea BarisaniVerified account

@AndreaBarisani

Head of Hardware Security - F-Secure ■ Founder - Inverse Path

Trieste
andrea.bio
Joined August 2014

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    1. Hector Martin‏ @marcan42 Jun 12
      Replying to @dragosr @swordofomen and

      Wow, my phone charger is possessed too. Look at all those glitch pulses! (Or, you know, it's just normal noise from a switching power supply)pic.twitter.com/BwhSCXsJ1M

      4 replies 3 retweets 18 likes
    2. dragosr‏ @dragosr Jun 12
      Replying to @marcan42 @swordofomen and

      You seem awfully intent on dimissing my hypothesis. Were you part of the dev team or something?

      6 replies 0 retweets 0 likes
    3. Joe Fitz‏ @securelyfitz Jun 12
      Replying to @dragosr @marcan42 and

      Ive been quiet on this thread so far, but Dragos, what is the hypothesis? I think Hector and others are showing you the data and procedure (however indirectly) to test your hypothesis.

      3 replies 0 retweets 7 likes
    4. dragosr‏ @dragosr Jun 12
      Replying to @securelyfitz @marcan42 and

      hypothesis is that RF noise is being injected into dwc_otg

      1 reply 0 retweets 1 like
    5. dragosr‏ @dragosr Jun 12
      Replying to @dragosr @securelyfitz and

      and audio pwm is being used to transfer data in and out sdr style after.

      1 reply 0 retweets 0 likes
    6. Andrea Barisani‏Verified account @AndreaBarisani Jun 12
      Replying to @dragosr @securelyfitz and

      This is a textbook case of confirmation bias. You are ignoring facts from experts as they are not the explanation you would like to hear. In combination with not making a single filesystem dump available anywhere it becomes impossible to reason with any of your analysis.

      2 replies 0 retweets 11 likes
    7. dragosr‏ @dragosr Jun 12
      Replying to @AndreaBarisani @securelyfitz and

      How many of your raspis have an mmc1? I can give you a file system dump but it won’t help much as the fun stuff is loaded into a ramdisk from inaccessible hidden partition and only the unmodified components are available to dump. Offline forensics won’t make much headway.

      2 replies 0 retweets 0 likes
    8. dragosr‏ @dragosr Jun 12
      Replying to @dragosr @AndreaBarisani and

      Older versions used to connect fun stuff through virtual nfs server mount, but as of Raspi version switched to virtual iscsi connection , brought up in USB probing. Several jail/chroot/slice techniques have been used to partition real boot files from pretend ones & prevent access

      1 reply 0 retweets 0 likes
    9. Andrea Barisani‏Verified account @AndreaBarisani Jun 12
      Replying to @dragosr @securelyfitz and

      Stop throwing random vague elements being treated implicitly as IOC on twitter and open a detailed collection of symptoms, logs and dumps on github for others to look at. This is the only way. You should hold yourself to much better standards than this ridiculous tweetfest.

      2 replies 0 retweets 5 likes
    10. dragosr‏ @dragosr Jun 12
      Replying to @AndreaBarisani @securelyfitz and

      Well the issue is that most of the industry techniques are Stone Age tools designed for static malware, which just fall down and fail spectacularly when faced with a dynamic attacker with ops and dev staff. You seem to think that blaming me for your procedural inadequacy matters.

      1 reply 0 retweets 0 likes
      Andrea Barisani‏Verified account @AndreaBarisani Jun 12
      Replying to @dragosr @securelyfitz and

      With all due respect, the only one with procedural inadequacy here is you and you alone. As of today there is not a single shred of evidence, rather than your belief, of any attacker. Plus every single expert analysis of your alleged IOC is being ignored. This is nonsense. EOL.

      2:35 PM - 12 Jun 2018
      2 replies 0 retweets 0 likes
        1. dragosr‏ @dragosr Jun 12
          Replying to @AndreaBarisani @securelyfitz and

          As I explained to Andrea off-line because that “crazy” Italian will always be cool. If you really think I’m crazy, you are so far behind, it probably doesn’t matter anymore - good luck catching up :-).

          0 replies 0 retweets 0 likes
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        1. dragosr‏ @dragosr Jun 12
          Replying to @AndreaBarisani @securelyfitz and

          /me waves to the ops team chuckling at your disbelief.

          1 reply 0 retweets 0 likes
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