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Bjoern Kerler proslijedio/la je Tweet
ROPs (like any indirect branch) are mitigated using PAC (sign LR with SP as a salt). But PAC isn't enough for stack protection (even setting aside the Qualcomm attack). It doesn't protect on other data on the stack, such as restore regs. So, old stack cookies...:)
@qwertyoruiopzpic.twitter.com/2d46SFjJsz
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Bjoern Kerler proslijedio/la je Tweet
We are pleased to announce INFILTRATE 2020 speaker Nitay Artenstein (
@nitayart) presenting: The Promised Band: Winning Android Fragmentation with a MediaTek Baseband RCE https://infiltratecon.com/conference/speakers/nitay-artenstein.html ….#INFILTRATE20pic.twitter.com/uzbm14Ee5j
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Bjoern Kerler proslijedio/la je Tweet
Neighbors: Grab gifts from the genizah! PoC or GTFO Issue 0x20 is now available for free on my mirror. This issue is chock-full of gems, but you would do yourself particularly well to read my colleague
@blperez_’s uncensored polemic on RSA (page 68). https://www.sultanik.com/pocorgtfo/#0x20 pic.twitter.com/SyRgmC01t7
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Bjoern Kerler proslijedio/la je TweetHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Bjoern Kerler proslijedio/la je Tweet
RT @charlag@birb.site Holy shit, you can create a disk which is ext2 and FAT at the same time https://github.com/NieDzejkob/cursedfs …https://birb.site/@charlag/103488879016776787 …
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Bjoern Kerler proslijedio/la je Tweet
however, the new phones are a different beast:https://twitter.com/mattsta/status/1042207937794433024 …
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Bjoern Kerler proslijedio/la je Tweet
Ich war für euch einen Tag in
#Mossul. Es ist wie ein dystopisches Stilleben und ich weiss gar nicht, wie ich meine Eindrücke in Worte oder Bilder fassen soll, aber ich versuche es mal mit diesem Artikel. https://ennolenze.de/ein-tag-in-mosul/4370/ …#Irak#Kurdistan#ISISpic.twitter.com/nRgp22Nfn9
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Bjoern Kerler proslijedio/la je Tweet
Yes, that came relatively early, through Debian on arm64: https://packages.debian.org/bullseye/gnuradio …
@albinstigo put a lot(!) of work into optimizing the SIMD code in GR for RPi, I think he might run it on Raspbian,too. (I *think* on Rpi3, use Debian arm64 instead of Rpbian armhf: more registers!)Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
And finally succeeded. Hi QC jtag, it's been a while, we met last time in 2001
pic.twitter.com/w3LOgyNQ5I
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The world is full of failures. Cable quality was thicker but quality was bad. Resoldered using cul0,1......... tried 10 different jtag adapters......pic.twitter.com/KdctjItOKN
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You might be wondering... what is he doing in his holidays.... let me answer that for you... yes, that's a qualcomm based smartphone
pic.twitter.com/qqfBZON35w
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If you think about using gnuradio 3.8 but realized that most plugins don't work anymore, checkout my github page https://github.com/bkerler because I already ported some of my favorite ones to gnuradio 3.8 and python 3 ;)
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So... my sideproject has just finished. It turned out to be even worse than expected :) Discussing with other infosec people, we decided not to disclose, as its impact would do more harm than any good. Back on track with writing the next blog post on regular qc stuff :)
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@Qualcomm This is clearly a very bad move just to prevent any custom unbricking or repairs and is even worse if the manufacturer of your smartphone doesn't give any guarantee any more. Sustainability is obviously something different.Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
So I had a look at the new sdm qualcomm edl stuff. Looks like they not only require signed loaders, but also a signed authentification ("vip hash"). In other words ... if your brand new super expensive device is somehow bricked thanks to a bad update, only factory can repair :(
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Bjoern Kerler proslijedio/la je Tweet
I implemented AES128 in 69 bytes of x86 assembly. (from
@OverTheWireCTF challenge 0). Can anyone beat that? :Ppic.twitter.com/VD7FUTD8Ii
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Merry XMAS to all my friends, twitter followers and reverse engineers :)pic.twitter.com/lQcBvqAZEe
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Bjoern Kerler proslijedio/la je Tweet
Cutter v1.10 now has a DEBUGGER!

After a lot of work, we are so happy to announce that we finally implemented your most requested feature.
The beta version of the debugger is available NOW on our website >> https://cutter.re
List of features and what's coming next >>pic.twitter.com/4OOlF0Y0Wk
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Bjoern Kerler proslijedio/la je Tweet
Solid secure boot bypass write-up. Particularly keen on the honesty around strings + OS making reverse engineering far quicker. https://fredericb.info/2016/10/amlogic-s905-soc-bypassing-not-so.html …pic.twitter.com/Cn4xkNHufB
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