Neeraj Pal

@_neerajpal

System & network security • Linux, (Open|Free)BSD • Offensive & defensive info-sec • Opinions are mine only. 0x74C8853A777E0EAB • Linkedin: /in/neerajpal09/

India
bsdb0y.github.io
Vrijeme pridruživanja: veljača 2011.
25 fotografija ili videozapisa Fotografije i videozapisi

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  1. Prikvačeni tweet
    20. kol 2019.

    My first bug(s) on (kernel + userspace(ping(8)). However, didn't make it to CVE as it requires "root privilege", said by the developers. It was a great experience though, learned a lot. 🙂🙂

    8 proslijeđenih tweetova 26 korisnika označava da im se sviđa
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  2. 14. sij

    New member in my hardware family. Ready to learn and play with it.😍 Thanks

    1 reply 1 proslijeđeni tweet 9 korisnika označava da im se sviđa
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  3. 9. sij

    Nice, compiler development series from scratch by

    C Compiler from Scratch :
    1 korisnik označava da mu se sviđa
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  4. 25. pro 2019.

    correct 👍. Curiosity matters the most.

    Knowledge gained through curiosity is way different than knowledge gained through obligation. Do not stand in the way of a child's curiosity. It is her greatest asset.
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    1 korisnik označava da mu se sviđa
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  5. proslijedio/la je Tweet
    16. pro 2019.

    My PhD thesis "Software-based Side-Channel Attacks and Defenses in Restricted Environments" is finally available online: I really enjoyed my last 3 years working on it, also due to my great colleagues, especially , , and

    18 replies 157 proslijeđenih tweetova 557 korisnika označava da im se sviđa
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  6. 29. stu 2019.

    Syscall call-from verification

    This work has been committed! OpenBSD now requires that system calls be in pre-registered regions (by the kernel or ), in addition to the pre-existing check that syscalls be in un-writable memory. 😊👍
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  7. proslijedio/la je Tweet
    27. stu 2019.

    Before I had always-on Internet, I was always looking things up in "HelpPC", an amazing DOS program with detailed info about the PC, the BIOS, DOS, x86 assembly, and the C standard library. Here it is on the web, same colors and all! 👨‍💻❤️

    6 proslijeđenih tweetova 38 korisnika označava da im se sviđa
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  8. proslijedio/la je Tweet
    20. stu 2019.

    If anyone wants to follow along with booting a Clang-built CFI-enabled x86 kernel, I've written up the instructions to build the latest LLVM and 's LTO/CFI/SCS tree. Enjoy!

    1 reply 18 proslijeđenih tweetova 46 korisnika označava da im se sviđa
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  9. proslijedio/la je Tweet
    14. stu 2019.

    You may already be running Linux v5.3! I'm excited about heap auto-initialization, pidfd_open(), global -Wimplicit-fallthrough, x86 CR4 & CR0 pinning, more kfree() sanity checks, arm64 default KASLR, and hardware security embargo documentation:

    32 proslijeđena tweeta 73 korisnika označavaju da im se sviđa
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  10. proslijedio/la je Tweet
    12. stu 2019.

    Page cache attacks talk starts in 5 minutes. Kings A /cc

    10 proslijeđenih tweetova 42 korisnika označavaju da im se sviđa
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  11. 12. stu 2019.

    Interesting. Writing a "Hello world" in Pdf.

    ICYDK I made a slide deck about the basics of PDF structures.
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  12. proslijedio/la je Tweet
    7. stu 2019.

    AMD quietly announces some form of integrity protection for SEV: SEV-SNP (Secure Nested Paging).

    1 reply 12 proslijeđenih tweetova 41 korisnik označava da mu se sviđa
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  13. 9. stu 2019.

    Upgraded the OpenBSD VM from 6.3 to -current. After upgrading the sets, unable to boot to the new "bsd" image. Not sure whether the direct bumping the version is allowed or not.

    4 proslijeđena tweeta 2 korisnika označavaju da im se sviđa
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  14. proslijedio/la je Tweet
    21. lis 2019.

    10 projects to start contributing to OpenBSD

    19 proslijeđenih tweetova 48 korisnika označava da im se sviđa
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  15. proslijedio/la je Tweet
    14. lis 2019.

    How to DELETE 99.9% of your digital footprint from the internet [a thread]

    1.360 replies 110.391 proslijeđeni tweet 437.641 korisnik označava da mu se sviđa
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  16. proslijedio/la je Tweet
    2. lis 2019.

    In the original (OpenBSD) reallocarray() implementation and specification, a new size of zero does not simply do a free(); it returns the equivalent of malloc(0), a pointer that can be freed. This means that the same bug would not happen in OpenBSD.

    1 reply 35 proslijeđenih tweetova 78 korisnika označava da im se sviđa
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  17. 20. ruj 2019.

    i
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  18. 20. ruj 2019.

    Nice reversing stuff on Windows

    Pleased to announce my latest series - Applied Reverse Engineering. This series is designed to help those interested in learning how to reverse engineer software. I've published the first two articles along with the index.
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  19. proslijedio/la je Tweet
    18. ruj 2019.

    GitHub is now a CVE Numbering Authority (CNA) 🎉 Disclose vulnerabilities, alert developers, and provide updates all from within GitHub. Coming soon!

    29 replies 1.161 proslijeđeni tweet 3.393 korisnika označavaju da im se sviđa
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  20. proslijedio/la je Tweet
    11. ruj 2019.

    Interesting work on fuzzing the kernel with unicorn.

    1 reply 18 proslijeđenih tweetova 49 korisnika označava da im se sviđa
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  21. proslijedio/la je Tweet
    11. ruj 2019.

    Our paper on synthesis of DWARF unwind tables for x86_64 binaries is out! Bonus: we can additionally speed up unwinding by a factor of 10x-25x. Feedback welcome!

    9 replies 77 proslijeđenih tweetova 218 korisnika označava da im se sviđa
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