Dougall

@dougallj

Security Researcher, plays CTFs with 9447

Vrijeme pridruživanja: veljača 2007.

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  1. Prikvačeni tweet
    3. lip 2018.

    New blog post: "Writing a Hex-Rays Plugin: VMX Intrinsics"

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  2. proslijedio/la je Tweet
    3. velj

    I wrote some thoughts on software performance:

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  3. proslijedio/la je Tweet
    24. sij
    Odgovor korisnicima

    Special shout-out to clang's behavior for returning a vector-of-three-doubles on pre-AVX. Clang: I put the first two components in xmm0. You: Good, good! Clang: I put the third component on the x87 stack. You: (╯°□°)╯︵ ┻━┻

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  4. proslijedio/la je Tweet
    24. sij

    don't forget to set your Doomsday Clocks back tonight

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  5. proslijedio/la je Tweet
    16. sij
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  6. proslijedio/la je Tweet

    Had a transformative conversation with David that went something like this: Me: Some things are too hard. I could never write a file system. David, yelling: Do you think people are born knowing how to write file systems? It’s not magic! It’s trivia plus work! 7/

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  7. proslijedio/la je Tweet
    13. sij

    Everyone look at that green bar for a second

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  8. 13. sij

    New blog post – Bit-Twiddling: Addition with Unknown Bits

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    13. sij
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  10. proslijedio/la je Tweet
    7. sij
    Odgovor korisnicima i sljedećem broju korisnika:
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  11. proslijedio/la je Tweet
    5. sij
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  12. proslijedio/la je Tweet
    23. pro 2019.

    finally learned what a monoid is once I learn what a category is, what an endofunctor is, and what it means for a monoid to be in the category of endofunctors, then it's over for you bitches

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  13. proslijedio/la je Tweet
    20. stu 2015.
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  14. proslijedio/la je Tweet
    10. stu 2019.
    Odgovor korisnicima

    oopsie wooopsie we had a widdle worry about locawized bwownouts in the vector uwits and downcwowked the entiwre chip uwu

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  15. proslijedio/la je Tweet
    26. stu 2019.

    Who called it "pulse code modulation" instead of "binary coded decibel"

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  16. proslijedio/la je Tweet
    14. stu 2019.
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  17. proslijedio/la je Tweet
    11. stu 2019.
    Odgovor korisniku/ci

    x86_64 clang: memset() of a struct's padding may be elided if the struct fits in registers and is subsequently used only by value and not by reference.

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  18. proslijedio/la je Tweet
    31. lis 2019.

    Your other Halloween scare, looks like a Chrome 0-day: "CVE-2019-13720: Use-after-free in audio. Reported by Anton Ivanov and Alexey Kulaev at Kaspersky Labs on 2019-10-29 Google is aware of reports that an exploit for CVE-2019-13720 exists in the wild."

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  19. proslijedio/la je Tweet
    29. lis 2019.

    Do you need to display unhandled Virtual Machine Extensions (VMX)? Here is port of dj_vmx_intrinsics to IDAPython:

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  20. proslijedio/la je Tweet
    24. lis 2019.

    I'm obviously biased… but this ARM64E pointer authentication work going on in clang and LLVM is exciting! 🔐 Using ARMv8.3 Pointer Authentication Code to defeat ROP / JOP and enforce a good amount of control-flow integrity. 🔐

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  21. proslijedio/la je Tweet
    14. lis 2019.

    New blog post about reversing an arcade game I played when I was a kid:

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