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AlecMuffett's profile
Alec Muffett
Alec Muffett
Alec Muffett
@AlecMuffett

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Alec Muffett

@AlecMuffett

"Everybody Deserves Good Security". Tweets are for myself; see link for biography & press resources.

UK
dropsafe.crypticide.com/aboutalecm
Joined April 2007

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    Alec Muffett‏ @AlecMuffett 15 Jul 2017

    Alec Muffett Retweeted Chris Vickery

    Back at #SunMicrosystems, we used to call this the "Cinderella Attack" - worked on Firewalls with licenses & insecure/old NTP.https://twitter.com/VickerySec/status/886290921381179392 …

    Alec Muffett added,

    Chris VickeryVerified account @VickerySec
    Apparently future-dated gps packets disable Stingray phone signal intercept devices. The device thinks its license has expired and locks up. pic.twitter.com/tCVp5AXkD4
    3:27 PM - 15 Jul 2017
    • 30 Retweets
    • 52 Likes
    • Jean Balthazar JC (°-°) Ralf Ackermann bblubub Chaz Cryptoson ElaineX TheGrayed Artax Enemy of Stupidity
    2 replies 30 retweets 52 likes
      1. New conversation
      2. Alec Muffett‏ @AlecMuffett 15 Jul 2017
        Replying to @AlecMuffett

        I remember sharing this with @rossjanderson & Ross gleefully ran off to write it up in a book. ISTR the afflicted product was CheckpointFW1?

        2 replies 1 retweet 2 likes
      3. Alec Muffett‏ @AlecMuffett 15 Jul 2017
        Replying to @AlecMuffett @rossjanderson

        Probably with FLEXlm license manager? Not sure about that. But it was hilarious, and moreso that the same old bugs happen time & again.

        2 replies 0 retweets 1 like
      4. Alec Muffett‏ @AlecMuffett 15 Jul 2017
        Replying to @AlecMuffett @rossjanderson

        I'm pretty sure it was Brad Powell of Sun NSG who came up with the name; "wind the clock toward midnight, and the FW turns into a pumpkin…"

        1 reply 1 retweet 3 likes
      5. Alec Muffett‏ @AlecMuffett 15 Jul 2017
        Replying to @AlecMuffett @rossjanderson

        In fact I can cite it as 1997, when I gave this presentation to the Cambridge Security Lab: https://dropsafe.crypticide.com/alecm/presentations/1997-programming-goofs/slides.pdf …pic.twitter.com/M09oe9IQkU

        1 reply 8 retweets 19 likes
      6. Alec Muffett‏ @AlecMuffett 15 Jul 2017
        Replying to @AlecMuffett @rossjanderson

        Thinking about it some more, the book in question was likely the opus Security Engineering, v1, and lo! - https://www.cl.cam.ac.uk/~rja14/Papers/SE-06.pdf …pic.twitter.com/A7kPvbHGsR

        0 replies 2 retweets 3 likes
      7. End of conversation
      1. New conversation
      2. John Ioannidis‏ @marabou 15 Jul 2017
        Replying to @AlecMuffett

        If you can spoof GPS messages, there is much more damage you can do than turn off stingray, no?

        1 reply 0 retweets 1 like
      3. matt blaze‏Verified account @mattblaze 15 Jul 2017
        Replying to @marabou @AlecMuffett

        Another way to turn off (some models of) StingRay is to call 911. But that's a poor strategy for someone trying to hide from the cops.

        3 replies 0 retweets 1 like
      4. Alec Muffett‏ @AlecMuffett 15 Jul 2017
        Replying to @mattblaze @marabou

        JI: my understanding is that GPS is so wideband that to spoof it effectively requires a very local transmitter, so geolocalising shenanigans

        1 reply 0 retweets 0 likes
      5. Alec Muffett‏ @AlecMuffett 15 Jul 2017
        Replying to @AlecMuffett @mattblaze @marabou

        If the state of the art has progressed, then that's much more interesting.

        0 replies 0 retweets 0 likes
      6. End of conversation

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