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Prikvačeni tweet
Into exploit development and reverse engineering? Willing to work with binary code?
@VerSprite is actively seeking new Security Researcher members to join its team. Apply at https://versprite.com/careers/ or feel free to send me a DM with any questions you may have.Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Grant Willcox proslijedio/la je Tweet
Chapter 6 has been published!https://leanpub.com/windows10systemprogramming …
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Grant Willcox proslijedio/la je Tweet
How complicated is cellular baseband firmware? At least this complicated: over 150K debugging messages across 932 directories and 2,775 files! Rebuilding the source code skeleton from Samsung S10's Shannon S5000 baseband debugging messages.https://github.com/grant-h/shannon_s5000 …
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That moment when you register for thread event notifications and forget to unregister before unloading your driver. Well guess I know what a DRIVER_UNLOADED_WITHOUT_CANCELLING_PENDING_OPERATIONS BSOD might be related to now :P
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Grant Willcox proslijedio/la je Tweet
Just published a follow-up to my Adobe Reader symbols story on the Project Zero blog. Turns out there's even more debug metadata to be found in some old (and new) builds, including private CoolType symbols. Enjoy! https://googleprojectzero.blogspot.com/2020/01/part-ii-returning-to-adobe-reader.html …
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Grant Willcox proslijedio/la je Tweet
[Blog] Offensive Security - AWE/OSEE Review https://tinyurl.com/tyeqlg3 cc
@h0mbre_@TJ_Null@offsectrainingHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
WinDBG seems to indicate my driver is never registered with PnP despite being a WDM driver (which confuses me as according to https://docs.microsoft.com/en-us/windows-hardware/drivers/kernel/introduction-to-wdm … the WDM drivers should support PnP as a requirement). (2/2)
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Anyone had any experience with IoOpenDeviceRegistryKey() who might be able to tell me if a WDM driver needs to perform any special function calls prior to calling this? Been trying for a while now to get this call to work but all signs, including running !devnode 0 1 in (1/2)
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Grant Willcox proslijedio/la je Tweet
Fascinating to compare the half-life of content across platforms (time it takes for a piece of content to reach 50% of its total lifetime engagement)
Twitter: 20 mins
Facebook: 5 hrs
Instagram: 20 hrs
LinkedIn: 24 hrs
YouTube: 20 days
Pinterest: 4 mos
Blog post: 2 yrsPrikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Grant Willcox proslijedio/la je Tweet
we have an update to DTrace on Windows. with the latest 20H1 insider build, no more KD required to use dtrace on windows. plus arm64 MSI.https://techcommunity.microsoft.com/t5/windows-kernel-internals/dtrace-on-windows-20h1-updates/ba-p/1127929 …
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Grant Willcox proslijedio/la je Tweet
Windows Kernel Information Disclosure Vulnerability , PoC for the SWAPGS attack (CVE-2019-1125)https://github.com/bitdefender/swapgs-attack-poc …
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Grant Willcox proslijedio/la je Tweet
So
@Twitter decided to lock the @sensepost account, here is the link to the original post by@stutm on reverse engineering and hacking PS dual shock controllers. This is what hacking is about. https://sensepost.com/blog/2020/dual-pod-shock-emotional-abuse-of-a-dualshock/ …https://twitter.com/singe/status/1221798794616090625 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Someone correct me if I'm wrong, but shouldn't this code possibly end up calling IoDeleteDevice() twice, once at line 54 and once at line 72, both on the same device object which could lead to a BSOD?https://github.com/zodiacon/windowskernelprogrammingbook/blob/master/chapter07/Zero/Zero.cpp …
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Grant Willcox proslijedio/la je Tweet
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!pic.twitter.com/FekupjS6qG
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Really annoying to work from code in a book only to realize later that the sample code they uploaded to GitHub isn't the same as the solutions they put in the book :/ At least its not as bad as no solution at all so can't complain too much.
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Grant Willcox proslijedio/la je Tweet
/guard:xfg is your friend. Also CET is present.
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Grant Willcox proslijedio/la je Tweet
It seems Visual Studio 2019 16.5 Preview 2.0 contains support for XFG, need to investigate
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Grant Willcox proslijedio/la je Tweet
I've built an entire mapping of the Windows 10 Source Tree, similar to what
@markrussinovich did back in the days.pic.twitter.com/nqMH0q3WdW
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And found the third error again via documentation. Apparently this book didn't mention the need to call ExDeleteResourceLite() after calling ExInitializeResourceLite()...guess I'll have to contact the publishers about that one.
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And found the solution. Turns out it wasn't anything to do with RAII, was doing that part fine; rather I forgot to note that an API required one of its parameters had to be a pointer to a nonpaged pool allocation, which lead to some rather unexpected results. Lesson learned.
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RAII is doing my head in; seems somewhat complex; thought I had it, go to try implement it and everything is throwing exceptions all over the place. Have a feeling I missed something, cause these double free bugs are getting to me
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