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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. dragosr‏ @dragosr 28 May 2018
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      Ever wondered what’s in hw ethernet jack style implants? Notice it has a few more than 8 pins. Parents came from communist country, and defected to avoid their regular bugging of their own staff, so I grew up finding bugs. I think they mistakenly shipped me the wrong Raspi 3b+pic.twitter.com/GyR9bCb4Ek

      24 replies 30 retweets 64 likes
    2. Andrea Barisani‏Verified account @AndreaBarisani 28 May 2018
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      Replying to @dragosr

      That is a perfectly normal Ethernet connector with POE (http://files.edac.net/A70-112-331N126.pdf …). Get the part on Farnell, or have everyone else do it for what matters, dismantle it and you will find the same contents.

      1 reply 0 retweets 32 likes
    3. dragosr‏ @dragosr 28 May 2018
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      Replying to @AndreaBarisani

      No not really. It boots from the network without cable. it boots from the network without a cable at different speeds depending on what non-network thing you plug into it.

      2 replies 0 retweets 2 likes
    4. Hector Martin‏ @marcan42 29 May 2018
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      Replying to @dragosr @AndreaBarisani

      Yes, yes really. You're having paranoid delusions again. Everything in your photo is in the datasheet. Also, poor magnetics.pic.twitter.com/Fy6oarFfBU

      2 replies 2 retweets 42 likes
    5. modrobert‏ @modrobert 29 May 2018
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      Replying to @marcan42 @dragosr @AndreaBarisani

      Considering confirmed sigdev "enabled" devices and chipsets these days I think everyone should follow @dragosr example, regardless if it is the case here or not, at least let him finish first or it will come across as gaslighting.

      1 reply 0 retweets 1 like
    6. Hector Martin‏ @marcan42 29 May 2018
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      Replying to @modrobert @dragosr @AndreaBarisani

      It's not gaslighting when it's real. Telling people to be paranoid about perfectly normal things does nobody any good. We've already gone through this and it didn't end well. If he *actually* found an implant or credible evidence of one it would be a different story.

      1 reply 0 retweets 16 likes
    7. Hector Martin‏ @marcan42 29 May 2018
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      Replying to @marcan42 @modrobert and

      Asking about suspicious things on Twitter is good. Immediately jumping to conclusions and shouting "implant!" is bad. Ignoring all the subsequent replies from experts that tell you what you're seeing is normal is mental illness.

      2 replies 1 retweet 15 likes
    8. dragosr‏ @dragosr 31 May 2018
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      Replying to @marcan42 @modrobert @AndreaBarisani

      I’m not immediatey jumping to conclusions. Just trying to explain the code that shows up on airgapped boxes. The fact that they are compromised is certain, just need to figure out how.

      1 reply 0 retweets 0 likes
    9. Hector Martin‏ @marcan42 31 May 2018
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      Replying to @dragosr @modrobert @AndreaBarisani

      When BadBIOS happened and you were "certain" you were compromised, all the evidence you showed ended up being perfectly normal stuff. I don't recall a single shred of hard evidence for any malware every coming from that story. Which is the same thing that's happening this time.

      4 replies 0 retweets 14 likes
    10. dragosr‏ @dragosr 31 May 2018
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      Replying to @marcan42 @modrobert @AndreaBarisani

      I’ve provided BIOS samples to folks from identical boxes before and after. The BIOS modifications consisted of modified ME blobs, and about 100 new variables including installing a new PK (using a hilarious AMI “do not trust” sample key) and other carts.

      1 reply 0 retweets 0 likes
      Hector Martin‏ @marcan42 31 May 2018
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      Replying to @dragosr @modrobert @AndreaBarisani

      You uploaded a BIOS sample. Others analyzed it and the only differences were in nvram and mutable ME storage, and a few dumping errors. Totally normal stuff. If you have a before/after pair with a modified ME code blob (not nvdata) I'm sure a lot of people would like to see it.

      11:20 AM - 31 May 2018
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      • Tom Thorogood 🏳️‍🌈 Harvester Fiskbil FIPSmode Squad Friedemann Wachsmuth Mark Eichin
      0 replies 0 retweets 6 likes

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