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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 12 Jun 2018
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      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
    2. Andrea Barisani‏Verified account @AndreaBarisani 12 Jun 2018
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      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
    3. dragosr‏ @dragosr 12 Jun 2018
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      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
    4. Hector Martin‏ @marcan42 12 Jun 2018
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      Replying to @dragosr @AndreaBarisani and

      All of them have mmc1, you idiot. The Raspberry Pi 3 B has built-in WiFi. *SDIO* WiFi. How do you think it connects to the SoC, magic pixie dust?pic.twitter.com/buAT7zvlIH

      2 replies 0 retweets 1 like
    5. Hector Martin‏ @marcan42 12 Jun 2018
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      Replying to @marcan42 @dragosr and

      Seriously, you have *no excuse* for this stuff. The moment you saw "mmc1" you should've looked at sysfs to find out what that is used for, or the device tree to figure out how it's configured. This is just shoddy research. https://github.com/raspberrypi/linux/blob/rpi-4.14.y/arch/arm/boot/dts/bcm2837-rpi-3-b.dts …

      1 reply 0 retweets 1 like
    6. dragosr‏ @dragosr 12 Jun 2018
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      Replying to @marcan42 @AndreaBarisani and

      Don't care what it's used for there, as long as adversary has multiple control links in (probably multiple operators). Static thinking again. A few lines of code and dev will deploy other use in 15 minutes. Analysis needs to wait for control neutralization/isolation.

      1 reply 0 retweets 0 likes
    7. Hector Martin‏ @marcan42 12 Jun 2018
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      Replying to @dragosr @AndreaBarisani and

      You said "How many of your raspis have an mmc1?" and I explained to you how the answer is ALL OF THEM (of this model). Are you going to ever admit you confused something completely benign for an IOC, or just keep bullshitting forever?

      1 reply 0 retweets 2 likes
    8. dragosr‏ @dragosr 12 Jun 2018
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      Replying to @marcan42 @AndreaBarisani and

      Look at some raspi boot dmesgs and you will get what I'm talking about. I do that so often I can sometimes pick out lines that are wierd as it scrolls by even. Please stop being patronizing. Maybe these folks are already on your some of your computers. Would you know?

      1 reply 0 retweets 0 likes
    9. Hector Martin‏ @marcan42 12 Jun 2018
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      Replying to @dragosr @AndreaBarisani and

      I'm still waiting for a single piece of verifiable evidence that something is out of place. Where are these "weird" boot logs? Perhaps you should start considering that if everyone else can find a benign explanation for everything you point out, maybe the problem is in your head.

      3 replies 0 retweets 2 likes
    10. dragosr‏ @dragosr 12 Jun 2018
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      Replying to @marcan42 @AndreaBarisani and

      You seem to think my job is to convince you. My task's securing my computers. Ocasionally advice for others own good/public benefit. And pick big problems/threats for conferences so folks can work on. You think I'm crazy? Enjoy life in the Prepositioned Cyberasset Club.

      1 reply 0 retweets 0 likes
      Hector Martin‏ @marcan42 12 Jun 2018
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      Replying to @dragosr @AndreaBarisani and

      *My* job is security, and when stuff like BadBIOS makes headlines it's an embarrassment to my field. *You* have a delusional paranoia problem, and I'm trying to help you because otherwise you'll convince other, less clueful people of your nonsense and it'll spiral out of control.

      11:16 PM - 12 Jun 2018
      • 4 Likes
      • Tom Thorogood 🏳️‍🌈 SethOps Marco Pfatschbacher James L.
      3 replies 0 retweets 4 likes
        1. New conversation
        1. Hector Martin‏ @marcan42 12 Jun 2018
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          Replying to @marcan42 @dragosr and

          If you refuse to take the advice of your peers and get some help, that's unfortunste, but up to you. But in that case, I'd ask you to stop tweeting about this stuff, because you're hurting other people by spreading misinformation.

          1 reply 0 retweets 1 like
        2. dragosr‏ @dragosr 12 Jun 2018
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          Replying to @marcan42 @AndreaBarisani and

          What you don't seem to get, incident response, strategically, not always the best to play all cards face up. Even if someone is having a tantrum and calling you names. Been doing this long enough, comfortable with what I can, can't analyze, when wrong, I'll say. Not infallible.

          1 reply 0 retweets 0 likes
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        1. dragosr‏ @dragosr 12 Jun 2018
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          Replying to @marcan42 @AndreaBarisani and

          Meanwhile I consider such obliviousness to advanced attackers somewhat embarrasing. I think we have detente.

          1 reply 0 retweets 0 likes
        2. Hector Martin‏ @marcan42 12 Jun 2018
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          Replying to @dragosr @AndreaBarisani and

          I'm cognizant of advanced attackers. They just don't happen to be your problem. Your problem is delusional paranoia.

          1 reply 0 retweets 1 like
        3. Show replies
        1. dragosr‏ @dragosr 13 Jun 2018
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          Replying to @marcan42 @AndreaBarisani and

          The fact thatg you don't believe the headlines says more about your security stance and currency levels than about my sanity. I'd send you samples, but I'm not sure they would be meaninful to you.

          0 replies 0 retweets 0 likes
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