Josh Green @_josh_green
Cyber security R&D. Breaking things, solving problems and challenging assumptions. Too many ideas, not enough time. Australia Joined December 2015-
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🔮 ACM TOSEM Perspective Paper on Software Security in 2030 (Invited). 📝 mpi-softsec.github.io/papers/TOSEM25… Collab w/ Eric Bodden, Tevfik Bultan, Cristian Cadar, Liu Yang, and Giuseppe Scanniello // @acm_tosem @c_cadar @Sun450gmailcom1 @g_scanniello
Bug-finding tools are restricted to a single IR, but bugs don't conform to this limit. Our VAST tool builds a tower of IRs to bridge the gap between low-level code analysis and higher-level logic. Bugs span the semantic gap and so should code analysis. blog.trailofbits.com/2023/06/15/fin…
Icicle is a multi architecture emulation framework designed for firmware fuzzing. Very interesting research work Paper: arxiv.org/pdf/2301.13346… github repo (pre-release): github.com/icicle-emu/ici… #fuzzing #firmware #infosec #cybersecurity
Some notes on "Catch Me If You Can: Deterministic Discovery of 𝗥𝗮𝗰𝗲 𝗖𝗼𝗻𝗱𝗶𝘁𝗶𝗼𝗻𝘀 𝗪𝗶𝘁𝗵 𝗙𝘂𝘇𝘇𝗶𝗻𝗴" by @NedWilliamson at BlackHat'22. Deterministic Concurrency! Let's dive in. 🎥 youtube.com/watch?v=OpQvXG… 1/
New p-code emulator for fuzzing based on ghidra sleigh. Full system fuzzing perf comparable to qemu, CmpLog support etc. Icicle: A Re-designed emulator for greybox firmware fuzzing arxiv.org/pdf/2301.13346… github.com/icicle-emu/ici…
We passed it a couple days ago, but it has been 10 years since "On Fire", the strip I did that became the meme "this is fine". gunshowcomic.com/648
YES. This is the true state of research in binary diffing in academia. researchgate.net/publication/36…
The finished version of our SaTML'23 position paper is now (finally!) on arXiv: arxiv.org/abs/2212.14315 Thanks again to: @drhyrum @savinodam @dfreeman02 @fbpierazzi @AlejandroRoundy! (but also to @dagstuhl!!) @satml_conf
It's been FIFTY YEARS this month that the Anderson Report of 1972 documented that security must be "designed into a system from its inception" as "there is little chance it can be made secure by retrofit"
It's been FIFTY YEARS this month that the Anderson Report of 1972 documented that security must be "designed into a system from its inception" as "there is little chance it can be made secure by retrofit" https://t.co/C9LSe1YUAA
Slides of my talk at @hexacon_fr about my journey of fuzzing Nvidia graphic driver are now available: drive.google.com/file/d/1HEaQ3o…
“This is not a happy talk. Apple has made things way harder for us.”
THREAD: The US Commerce Department just dropped 100+ pages of new export control regulations that will reshape the global semiconductor industry and the future of the US-China relationship.
This will be a thread discussing a real world breach involving a drone delivered exploit system that occurred this summer Some details I am not able to discuss, however for the blue teams & red teams out there I hope this provides a good measure of capability. 🧵🚁 🎮🖥️🦠
New blog post :) A pretty unique Android vulnerability I found, which allowed me to exploit the kernel by using the TrustZone. This helped me bypass all kernel security mitigations and create a super reliable exploit. tamirzb.com/attacking-andr…
My latest essay is a rebuttal to the recent guide published by CISA, ODNI, & NSA on "Securing the Software Supply Chain." I present my 10 main objections to its recommendations, which I believe would result only in securing the supply chain of nothing: swagitda.com/blog/posts/sec…
Fantastic keynote by @neharungta at CAV'22, summarized and linked. Rolling out formal methods, at staggering scale, as a product. amazon.science/blog/a-billion…
ASML is the most important company you've never heard of. The $220B Dutch firm makes the machines that make semiconductors. Each one costs $150m and access to them are a huge geopolitical flashpoint. Here's a breakdown 🧵
💥The Binarly team presented important industry REsearch last week at @BlackHatEvents #BHUSA ⚡️Blog: "Black Hat 2022: The Intel PPAM Attack Story." binarly.io/posts/Black_Ha… 💣12 new high-impact CVE's disclosed: github.com/binarly-io/Vul… 🔬#FwHunt is on! github.com/binarly-io/FwH…
💥The Binarly team presented important industry REsearch last week at @BlackHatEvents #BHUSA ⚡️Blog: "Black Hat 2022: The Intel PPAM Attack Story." binarly.io/posts/Black_Ha… 💣12 new high-impact CVE's disclosed: github.com/binarly-io/Vul… 🔬#FwHunt is on! github.com/binarly-io/FwH… https://t.co/v32bJmCcuW
Fascinating paper. What makes a reverse engineer an expert. And what techniques do they use vs novices. 'All the best reversers were not fastest only because they could read and understand the code faster, but also because they reversed less code' 🔥🔥 usenix.org/system/files/s…
We are releasing the first static and dynamic analysis framework for CPU microcode 💥🖥️ Check it out at: github.com/pietroborrello…
We are releasing the first static and dynamic analysis framework for CPU microcode 💥🖥️ Check it out at: github.com/pietroborrello… https://t.co/pXjALX6FUL
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