Michael Grafnetter

@MGrafnetter

IT Security Researcher and Trainer, Author of DSInternals PowerShell Module

Vrijeme pridruživanja: listopad 2015.

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  1. Prikvačeni tweet

    If you deployed Windows Hello for Business, you should definitely read Microsoft's Security Advisory ADV190026. And I am not saying it just because I reported that issue and had a talk about it at Black Hat Europe. 😉

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  2. proslijedio/la je Tweet
    31. sij

    Join me and on Tuesday, February 11th as we unveil 3.0! We will demo new attack primitives, performance improvements, and changes in the GUI. Register for the webinar here (recording available afterwards):

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  3. proslijedio/la je Tweet
    28. sij
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  4. proslijedio/la je Tweet
    26. sij

    Ladies and gentlemen, I present you a working Remote Code Execution (RCE) exploit for the Remote Desktop Gateway (CVE-2020-0609 & CVE-2020-0610). Accidentally followed a few rabbit holes but got it to work! Time to write a blog post ;) Don't forget to patch!

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  5. proslijedio/la je Tweet
    21. sij
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  6. proslijedio/la je Tweet
    19. sij
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  7. proslijedio/la je Tweet
    15. sij

    Hundreds of useful KBs got deleted just because they said "Applies to: Windows Server 2003" and weren't updated, even though the articles were still relevant? Won't catch me slippin again.

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  8. proslijedio/la je Tweet

    It will be my new wallpapers

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  9. proslijedio/la je Tweet
    10. sij

    Citrix ADC/Netscaler RCE (CVE-2019-19781) 😬

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  10. proslijedio/la je Tweet
    9. sij

    2020 will surely surprise us with many cybersecurity threats, that we didn’t expect. But some of them can be predicted. In its article listed i.a. , and . See the summary of all the possible threats, gathered here:

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  11. proslijedio/la je Tweet

    I just pushed a 🥝 release to support SupplementalCredentials attribute in local SAM A lots of fixes in lsadump::sam & dpapi::chrome functions too > Works on live system or offline/backup files😉 Again, thank you

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  12. proslijedio/la je Tweet

    I just pushed the first version of the year Support RSA, DSA & EC(DH|DSA) keys: - export (even when not exportable) - convert from different format (PVK,blob,PKCS#8,PEM,DER,...) to PKCS#8 - build your PKCS#12 (pfx) from raw keys & certificates >

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  13. proslijedio/la je Tweet
    2. sij

    Responder 2.3.4.5 is on the way, major auth servers refactoring, py2 and py3 support, tool enhancements, and throughout Q.A. Be patient, I'm doing this on my free time, but I'm sure you'll enjoy it when it's out :)

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  14. proslijedio/la je Tweet
    30. stu 2019.

    demo video for Europe 2019 is now available. We extracted the VMK with the TPM vulnerability and decrypted the BitLocker-locked partition with it! BitLeaker will be published soon. Please use BitLocker with the PIN.

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  15. proslijedio/la je Tweet

    Windows Defender killing Outlook process because of the usage of an authentication certificate with CN=.., O=mimikatz, ... ✅ "Internal behavior"

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  16. proslijedio/la je Tweet

    Just released a version to support new options when creating SmartCard to logon😉 >

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  17. proslijedio/la je Tweet
    18. pro 2019.

    Incident Response Plan

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  18. proslijedio/la je Tweet
    5. pro 2019.

    Black Hat Europe Locknote question to panel: "What gives you hope?" "Vendor transparency for me was a really big part of this conference" — Leigh-Anne Galloway ()

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

    Oh boy! What a great workshop! Thanks . Loved your Powershell Module and all the things we can learn with it to defend our systems. cc

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  20. proslijedio/la je Tweet

    Ok folks that's a wrap !!!! Thanks everyone for making this Arsenal London 2019 an awesome place to catch up with old and new friends from all over the world !! Hugs to Steve Rich and ... Special hugs to our beloved chairhacker

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