qwertyoruiop

@qwertyoruiopz

this is not what you wanted / KJC

pyongyang
blog.qwertyoruiop.com
Joined August 2011
302 Photos and videos Photos and videos

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  1. Jul 3

    Also ended up as a judge at WCTF 2017. Interesting experience, too. Had no idea what judging a CTF meant.

    40 replies . 10 retweets 180 likes
  2. Jul 3

    Apparently the same chain has a place in Amsterdam. Wonder if it's as weird.

    8 replies . 2 retweets 100 likes
  3. Jul 3

    Weirdest thing I've done in china was eating at a North Korean restaurant. Food was pretty good but everything about the place was weird

    23 replies . 17 retweets 218 likes
  4. Jul 2

    Aaand finally back out of the GFW

    37 replies . 18 retweets 195 likes
  5. Jun 16

    I'm not even sure it's possible but eh i got plenty of time and nothing to do, guess it's cool to try

    48 replies . 17 retweets 217 likes
  6. Jun 16

    more cards are needed, of course. but this is a start

    8 replies . 13 retweets 135 likes
  7. Jun 16

    my aim is to try to compute a sha1 collision a la google and ending up earning money.

    15 replies . 22 retweets 201 likes
  8. Jun 16

    My GPU cluster is now running at full force, with 27 cards. ~700MH/s on Ethereum, doing additional mystery computations in the meanwhile :)

    43 replies . 38 retweets 365 likes
  9. Jun 13

    i need to get industrial grade power

    34 replies . 16 retweets 229 likes
  10. Jun 13

    TIL: My place is unable to handle 28 GPUs worth of power

    21 replies . 19 retweets 305 likes
  11. Jun 12

    Racked up

    86 replies . 77 retweets 525 likes
  12. Jun 12

    44 replies . 30 retweets 355 likes
  13. Jun 11

    your code uses too much RAM? just use after free! slash your memory usage in half and make hackers happy

    21 replies . 63 retweets 353 likes
  14. Jun 10

    55 replies . 33 retweets 329 likes
  15. Jun 10

    Nice that they mentioned confusion attacks. Loved using dyld to escape sandbox on 8.4.1 :)

    13 replies . 10 retweets 114 likes
  16. Jun 10

    Out of process dyld -> nice in a KPP world :) pwn dyld and gain complete userland takeover!

    15 replies . 19 retweets 152 likes
  17. Jun 10

    Will engineers ever learn to address design flaws rather than their symptoms?

    16 replies . 14 retweets 139 likes
  18. Jun 10

    Apple did the right thing only in iOS 9. Overlapping segment bugs still exist to this day, but fixing the core issue made them useless.

    10 replies . 15 retweets 144 likes
  19. Jun 10

    lol'd at "bounds checking to prevent malformed mach-o attacks" when the core issue was TOCTOU, and the overlap issues were just a symptom

    10 replies . 18 retweets 116 likes
  20. Jun 10

    this gonna be fun

    dyld 3: coming soon to all Apple platforms. It's an out-of-process daemon now. Hot.
    12 replies . 13 retweets 106 likes

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