Neeraj Pal

@_neerajpal

(Open|Free) BSD kernel 😍| System Security | Network Security | Linux 😎

India
medium.com/@_neerajpal
Joined February 2011
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  1. Aug 16

    Saddest moment :(

    No more
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  2. Retweeted
    Aug 14

    Read our technical analysis of Foreshadow related discoveries now! Mark Silberstein, Daniel Genkin, Frank Piessens,

    1 reply 91 retweets 141 likes
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  3. Retweeted
    Aug 15

    Theo de Raadt on the impact of the Intel on . “We asked repeatedly, but Intel provided no advance notice. We did not even receive replies to our requests for dialogue. On a side note, AMD cpus are not vulnerable to this problem.”

    4 replies 79 retweets 103 likes
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  4. Retweeted
    Aug 14

    Following seven months of responsible disclosure, we are happy to announce that our Foreshadow attack is now public . Work with Mark Silberstein, Daniel Genkin, Frank Piessens

    6 replies 367 retweets 398 likes
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  5. Aug 12

    slides

    You can find the slides of our talk ": Basics, Details, Consequences" @ here: /cc
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  6. Retweeted
    Aug 9

    GOD MODE UNLOCKED: hardware backdoors in some x86 CPUs White paper coming tomorrow.

    48 replies 2,015 retweets 3,256 likes
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  7. Retweeted
    Aug 8

    stsp@ talks about the hashcat WPA2 PMKID crack, with regards to based APs. TL;DR: doesn't affect OpenBSD, and don't depend on WPA for end-to-end security.

    6 retweets 11 likes
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  8. Aug 3

    Got it. Thanks for help.

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  9. Aug 3

    Anyone from know the calculation or answer of this post then please let me know.

    2 replies
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  10. Aug 3

    like, in your case [2nd PoC], you hard-coded the offset value as "0x1f6faa" in exploit code function "get_libc_base_from_leak()" to retrieve the libc base addr. And also 2nd query is about the payload string, why did you push 12 extra bytes after canary?

    1 reply
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  11. Aug 3

    here, in your case, you hard-coded the value of offset is, 0x3bbac0.

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  12. Retweeted
    Jul 27

    Happy System Administrator Appreciation Day!

    30 replies 703 retweets 1,454 likes
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  13. Retweeted
    Jul 24

    More mitigations against speculative execution vulnerabilities

    1 reply 38 retweets 50 likes
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  14. Jul 23

    My answer to How does scheduler (CPU/IO) of OpenBSD work?

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  15. Retweeted
    Jul 23

    Paper of new Spectre variant called SpectreRSB is out: „none of the known defenses including Retpoline and Intel's microcode patches stop all SpectreRSB attacks.“

    2 replies 121 retweets 110 likes
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  16. Retweeted
    Jun 28

    I am so excited to finally share my baby with the world: The RE workshop I taught in is now available online. I hope it will be helpful to any RE newcomer who's afraid of x86 :) * Not for mobile. * Solutions to be published soon. * I feedback.

    44 replies 1,082 retweets 2,447 likes
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  17. Retweeted
    Jul 13

    unveil(2) is unveiled! Now in-tree (disabled) for early experimentation by developers!

    I just watched robert@ pull up videos and install extensions in a chrome with all the processes using my latest unveil(2) diff. This pleases me after a four day slog at this hackathon.
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    1 reply 12 retweets 23 likes
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  18. Retweeted
    Feb 26

    Memory segmentation cheat sheet

    21 replies 1,985 retweets 4,376 likes
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  19. Retweeted
    Jul 11

    New Spectre 1.1 and Spectre 1.2 CPU Flaws Disclosed - by

    1 reply 78 retweets 93 likes
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  20. Retweeted
    Jul 10

    Overview and full details on including paper is online at cc

    110 retweets 134 likes
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