ElfMaster
@ryan_elfmaster
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Innovative thought leader, #phrack author, reversing, exploitation and kernel hacking. Shiva binary patching technology: https://t.co/MYfyikAJu7
Seattle, WA
Joined March 2014
Shiva JIT binary patching engine, made open source under the MIT license at DEFCON.
github.com
A custom ELF linker/loader for installing ET_REL binary patches at runtime - advanced-microcode-patching/shiva
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Phrack 40th anniversary t-shirts available from WhyCon2025 artwork. My son Mick's brilliant art-work is available
etsy.com
This Gender-Neutral Adult T-shirts item is sold by UnlockedRelics. Ships from Charlotte, NC. Listed on Aug 18, 2025
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RT @phrack: Going to @defcon?! We'll have 9500 print copies of Phrack, and Sunday @ noon @netspooky @richinseattle and @chompie will be on….
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RT @richinseattle: Have you found some vulns, bypassed detection, or done some cool research the past year you haven't already blogged? Sub….
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Granular ASLR in Linux: Function level randomization, randomized PLT entries and randomized global data. implemented as a dynamic security module with Shiva. Coming soon to a repo near you!.
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RT @tmpout: Would you look at that, it's tmp.0ut Volume 4! Happy Friday, hope you enjoy this latest issue!. https:/….
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RT @sacred_elves: The Sacred Elves with @TomMontalk on Bass Guitar. Releasing our latest mix "Jayden Atreyu":
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RT @vxunderground: Today @ESET released a paper on "Bootkitty" the first UEFI bootkit for Linux. We didn't even read the paper, we just li….
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RT @offbyoneconf: Mark your calendars!! Our highly anticipated .Off-By-One Conference is returning on the 📆 𝟖𝐭𝐡 𝐚𝐧𝐝 𝟗𝐭𝐡 𝐌𝐚𝐲 𝟐𝟎𝟐𝟓! Stay tune….
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RT @Adam_pi3: I guess I can officially say that I "modified" CPU / ISA ;-) HWASAN on RISC-V is finally possible! Subjectively, I perceive i….
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RT @nikaroxanne: Excited to share the first post in my new blog series with @LeviathanSec: UEFI is the new BIOS. This blog series dives dee….
leviathansecurity.com
Learn about UEFI reverse engineering and exploit development so that you too can build the skills necessary to find and exploit UEFI bugs, understand common UEFI vulnerabilities, and better secure...
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RT @ryanaraine: NEW POD: We discuss the notion of "friendlies" in tracking nation-state APTs @juanandres_gs @craiu . Listen: .
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Beginning of a video series on game hacking with Shiva in Linux. Starting with Pacman.
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RT @Grimdoomer: Here’s a blog post covering all the technical details behind a strcpy bug I found in the Tony Hawk video game series that c….
icode4.coffee
Tony Hawk's Pro Strcpy: A game save and RCE exploit for the Tony Hawk game series that can be used to hack Xbox, Playstation 2, Gamecube, and Xbox 360 consoles.
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RT @dotMudge: I’m back at DARPA, but this time part of the leadership team as DARPA’s Chief Information Officer (CIO). I’ll be at Defcon t….
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