Ferran Celades

@_fr0zn

Security Researcher and Open Source lover. CTF Player.

cat /dev/urandom
nullbyte.cat
Vrijeme pridruživanja: travanj 2013.
42 fotografije ili videozapisa Fotografije i videozapisi

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  1. proslijedio/la je Tweet
    27. stu 2019.

    New video about the suidbash challenge from the Google CTF Finals 2019. It's about an actual zero-day in /bin/bash - CVE-2019-18276 🔴

    149 proslijeđenih tweetova 568 korisnika označava da im se sviđa
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  2. proslijedio/la je Tweet
    19. ruj 2019.

    Congratulations for solving the BFS challenge! The winners In order of submission: 1. 2. 3. 4. 5. 6. 7. 8. 9.

    11 proslijeđenih tweetova 44 korisnika označavaju da im se sviđa
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  3. 8. ruj 2019.

    This year the ctf from was amazing, congrats to the organizers for the great challenges. If you didn't play don't forget to sign up next year!

    4 proslijeđena tweeta 33 korisnika označavaju da im se sviđa
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  4. proslijedio/la je Tweet
    20. kol 2019.

    Writeup for VM Escape found by our team member : In the writeup, Vishnu describes how he found and exploited CVE-2019-14378 that was a pointer miscalculation bug in network backend of QEMU to get code execution!

    172 proslijeđena tweeta 371 korisnik označava da mu se sviđa
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  5. proslijedio/la je Tweet
    13. kol 2019.

    I'm publishing some 🔥 research today, a major design flaw in Windows that's existed for almost *two decades*. I wrote a blog post on the story of the discovery all the way through to exploitation.

    77 replies 1.999 proslijeđenih tweetova 4.069 korisnika označava da im se sviđa
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  6. proslijedio/la je Tweet
    10. kol 2019.

    Paged Out! #1 is out! (and it's free to download!) There are 57 articles in 12 categories: Electronics Programming Assembly Reverse Engineering Sec/Hack Retro File Formats Algorithmics SysAdmin Radio Phreaking OS Internals Enjoy! !

    49 replies 1.115 proslijeđenih tweetova 2.108 korisnika označava da im se sviđa
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  7. proslijedio/la je Tweet
    11. kol 2019.

    6 replies 25 proslijeđenih tweetova 145 korisnika označava da im se sviđa
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  8. proslijedio/la je Tweet
    7. kol 2019.

    It's that time of the year! We unveiled MSRC’s 2018-2019 Most Valuable Security Researchers at Black Hat USA this morning. If you cannot make it to the Microsoft booth, check out the list in our blog. Congratulations and thank you!

    35 proslijeđenih tweetova 78 korisnika označava da im se sviđa
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  9. proslijedio/la je Tweet
    3. kol 2019.

    A database of all Debian libc's (amd64, i386, arm, arm64, mips, mips64, ppc, ppc64, x32 and s390) by

    9 proslijeđenih tweetova 18 korisnika označava da im se sviđa
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  10. proslijedio/la je Tweet
    26. tra 2019.

    Nice writeup for a VM escape challenge which was 0day at the time: At least two unintended bugs (also 0day) were found during the CTF

    chromacity: Escaping the VM with newlines. My write-up of the challenge by .
    32 proslijeđena tweeta 122 korisnika označavaju da im se sviđa
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  11. proslijedio/la je Tweet
    5. tra 2019.

    3.706 proslijeđenih tweetova 6.316 korisnika označava da im se sviđa
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  12. 19. velj 2019.

    The talk from at is now available - Bruno Keith - Attacking Edge Through the JavaScript Just-In-Time Compiler

    1 korisnik označava da mu se sviđa
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  13. proslijedio/la je Tweet
    29. sij 2019.

    The A12, now with more kernel code execution; introducing voucher_swap:

    326 proslijeđenih tweetova 956 korisnika označava da im se sviđa
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  14. proslijedio/la je Tweet
    2. sij 2019.

    # Best New Year gift for myself :) VM escape again! This time it's qemu. Both guest and host are Ubuntu 18.04.1 with the default configuration of qemu. I exploited it with a single bug. If it's possible, I'll release the exploit and details after the fixing.

    16 replies 313 proslijeđenih tweetova 869 korisnika označava da im se sviđa
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  15. proslijedio/la je Tweet
    1. pro 2018.

    RPISEC has successfully pwned the Safari browser and spawned a calculator on the victim host at their first attampt during the demostration!

    16 proslijeđenih tweetova 75 korisnika označava da im se sviđa
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  16. proslijedio/la je Tweet
    22. stu 2018.

    35C3 event is now on CTFTime Registration: Junior CTF: Both can be played online! Tomorrow is your last chance to register an assembly in the CTF area at C3

    45 proslijeđenih tweetova 85 korisnika označava da im se sviđa
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  17. proslijedio/la je Tweet
    20. stu 2018.

    reminder: if you've read my book Serious Crypto and have useful (positive or negative) comments for potential future readers, please consider adding a review to (also, please report typos and other errors to me directly)

    9 proslijeđenih tweetova 46 korisnika označava da im se sviđa
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  18. proslijedio/la je Tweet
    12. stu 2018.

    And just like that - (Amat Cama and Richard Zhu) successfully demonstrated an NFC exploit on the Mi6! Off to the disclosure room for verification and details.

    1 reply 3 proslijeđena tweeta 18 korisnika označava da im se sviđa
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  19. 11. stu 2018.

    Verifying myself: I am fr0zn on . zlNMfqQSF22LRLUZCiAjIaJkGe7hUNqUn-Z3 /

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  20. 11. stu 2018.

    Got the ticket!

    3 korisnika označavaju da im se sviđa
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