ElfMaster @ryan_elfmaster
Innovative thought leader, #phrack author, reversing, exploitation and kernel hacking. Shiva binary patching technology: https://t.co/MYfyikAJu7 github.com/elfmaster Seattle, WA Joined March 2014-
Tweets732
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Happy birthday @phrack staff — signed by @thedarktangent. 40 years of hacker history.
Phrack 40th anniversary t-shirts available from WhyCon2025 artwork. My son Mick's brilliant art-work is available etsy.com/listing/435449…
Cover art by @ryan_elfmaster’s son. So cool!
Going to @defcon?! We'll have 9500 print copies of Phrack, and Sunday @ noon @netspooky @richinseattle and @Chompie will be on main stage! info.defcon.org/content/?id=60…
Have you found some vulns, bypassed detection, or done some cool research the past year you haven't already blogged? Submit to @phrack! Deadline is June 15 for the 40th Anniversary Edition, we're printing 1000s of copies worldwide free at cons & online! Be a part of history!
Very cool interview with Skyper of THC/Teso. youtu.be/sQVLniT9CDY?si…
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!
Would you look at that, it's tmp.0ut Volume 4! Happy Friday, hope you enjoy this latest issue! tmpout.sh/4/
The Sacred Elves with @TomMontalk on Bass Guitar. Releasing our latest mix "Jayden Atreyu": arcana-research.io/static/jayden_…
Today @ESET released a paper on "Bootkitty" the first UEFI bootkit for Linux. We didn't even read the paper, we just liked the name and artwork
Mark your calendars!! Our highly anticipated Off-By-One Conference is returning on the 📆 𝟖𝐭𝐡 𝐚𝐧𝐝 𝟗𝐭𝐡 𝐌𝐚𝐲 𝟐𝟎𝟐𝟓! Stay tuned for more updates on the CFP and venue! 🙌 #OBO2025 #SaveTheDate #OffensiveSecurity #SecurityConference #Singapore
I guess I can officially say that I "modified" CPU / ISA ;-) HWASAN on RISC-V is finally possible! Subjectively, I perceive it as my little success to make the @risc_v ecosystem more secure. After 4 years of my, @martin_maas and the entire J-ext group hard work, RISC-V Pointer…
Excited to share the first post in my new blog series with @LeviathanSec: UEFI is the new BIOS This blog series dives deep into UEFI RE/xdev. This first post is your UEFI intro. Check it out, hmu with feedback/q’s ✨ leviathansecurity.com/blog/uefi-is-t…
Proud to be part of the team of this new conference! Going to be awesome ☺️
Proud to be part of the team of this new conference! Going to be awesome ☺️
NEW POD: We discuss the notion of "friendlies" in tracking nation-state APTs @juanandres_gs @craiu Listen: securityconversations.com/episode/ep9-th…
Beginning of a video series on game hacking with Shiva in Linux. Starting with Pacman. youtu.be/E0P27Sqisds?si…
Here’s a blog post covering all the technical details behind a strcpy bug I found in the Tony Hawk video game series that can be used to hack several gaming consoles and even get RCE on the over the network icode4.coffee/?p=954
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 this year on stage with the Agency Director talking about larger picture items, and hopefully even greater ambitions than when I last keynoted…

0xor0ne @0xor0ne
81K Followers 514 Following | CyberSecurity | Reverse Engineering | C and Rust | Exploit | Linux kernel | PhD | My Tweets, My Opinions :) |
Brendan Dolan-Gavitt @moyix
30K Followers 6K Following Building offsec agents: https://t.co/G9EtnC2Gl3 PGP https://t.co/3WXr0RfRkv
Battle Programmer Yuu @netspooky
20K Followers 1K Following knuck if you buck 日本語/español OK (he/they) @tmpout @binarygolf @[email protected] (fedi) @ https://t.co/mZ77OENytt (bsky)
Richard Johnson @richinseattle
18K Followers 3K Following Computer Security, Reverse Engineering, and Fuzzing; Training & Publications @ https://t.co/mloVP6rPB7; hacking the planet since 1995; Undercurrents BOFH
hasherezade @hasherezade
89K Followers 910 Following Programmer, #malware analyst. Author of #PEbear, #PEsieve, #TinyTracer. Private account. All opinions expressed here are mine only (not of my employer etc)
Andrey Konovalov @andreyknvl
7K Followers 783 Following Security engineer at https://t.co/027VXUlgOx. Focusing on the Linux kernel. Maintaining @linkersec. Trainings at https://t.co/D5MrxmYimS.
mgeeky | Mariusz Bana... @mariuszbit
14K Followers 813 Following 🔴 Operator, Initial Access afficionado, Researcher, ex-AV engine developer, ex-Malware analyst 🦋 @mgeeky.bsky.social 🫖 green tea lover
Rodrigo Branco @bsdaemon
13K Followers 4K Following Chief Architect, Security Research Binarly. Grsecurity. BYOS - Advisor Dartmouth's Hacker in Residence OffensiveCon, Langsec, DistrictCon, Secdev Committee
Clandestine @akaclandestine
49K Followers 5K Following | Security | Osint | Threat Research | Opsec | Threat Intelligence | Infosec | Threat Hunting | Humint |
Romain THOMAS @rh0main
4K Followers 957 Following No longer here. https://t.co/7pANImx70w https://t.co/uhAhqoJWhH https://t.co/9MSpkLkKPz
Simone Margaritelli @evilsocket
47K Followers 2K Following Music, cybersecurity, open source and AI • Author of bettercap, pwnagotchi, opensnitch, bleah, legba and a few other things.
vmpr0be @vmpr0be
0 Followers 8 Following
tibane @tibane101
6 Followers 365 Following #vulnerabilityresearcher, #exploitdeveloper and #lowleveldev https://t.co/njfKxGbNGk
Hussein Muhaisen @husseinmuhaisen
2K Followers 4K Following In stealth reversing security complexity for the consumer and the enterprise // @ // PagedOut and GuidedHacking
xyxx @ssj2xxyx
14 Followers 213 Following ~astral traveler in the flesh~you have the dna for it~this is it this is your life do something with it and die~
vico @terk1vo
349 Followers 6K Following
arip petits @AripPetits
5 Followers 1K Following
Mohammed Ashraf @logan0x
395 Followers 2K Following 21y/o Offensive Security guy Who's having a hunger for knowledge | CTF player @_pwnsec_ | AKA logan0x.
Igor Gonebnyy @IGonebnyy
1K Followers 3K Following Chief of Staff at Binarly | Driving Growth & Innovation in Cybersecurity | Executive MBA | Strategic Leadership @binarly_io
💻🥷 WarthogTK �... @warthogtk
2K Followers 6K Following Pentester | Ex MD (Intensivist) | (Black) Arch Linux enthusiast - AD - MalDev | DCS, Gaming/VR/MR, Metal+++, Geopolitics, Defense #avgeek Opinions are my own
Alex Matrosov @matrosov
19K Followers 2K Following 🔬Founder & CEO @Binarly_io, #codeXplorer, #efiXplorer, @REhints and "Rootkits and Bootkits" book. Previously worked at Nvidia, Cylance, Intel, ESET, Yandex.
P I M P @PIMP149078
34 Followers 1K Following
Alex Cameron @tetsuo_cpp
59 Followers 481 Following Compilers, infosec, systems-programming. Compilers @FabricCrypto. Prev: @trailofbits.
execius @execius
1 Followers 43 Following Binary exploitation/exploit development , Reverse engineering. my writeups on : https://t.co/Lamr00jKkS
MG0nTheG0 @MGOnG0
0 Followers 13 Following
Irneorna @Irneorna4207
24 Followers 945 Following
B4shCr00k @D4shCr00k
3 Followers 96 Following Just Malware Dev Nd stuff Malware Researcher | C, x86, Reverse-engineering | CS student
Ryan Chow @ryanchowww
414 Followers 452 Following founder @metalwareinc | @ycombinator @spacex @jhuapl mediocre endurance athlete
souhaib @souhaib17273415
5 Followers 449 Following
Schuvic @Schuvic
23 Followers 1K Following
Jordon Wu @JordonWu
119 Followers 2K Following
Sean McBride @bushidocodes
1K Followers 666 Following Software Engineering Stuff (Mostly C, C++) | AI and Tech Industry Thoughts | AI-Generated Music, Photos, Videos | NOW WITH MORE MIDLIFE CRISIS!
pKa55o @pKa55oVN
2 Followers 67 Following
Kristy Josephine @KristyJose13460
0 Followers 173 Following Recruiting webshell engineers to penetrate websites, with a monthly salary of up to $100,000. If interest ed, please contact https://t.co/ldFIYsci76
Jazykové školy a ku... @Jazykyovky
328 Followers 7K Following Tipy na jazykové vzdělávání v ČR, reference jazykových škol, lektorů, jazykové kurzy, studijní materiály. Zkrátka vše o jazycích.
Benjamin Watson @inmemio
0 Followers 18 Following
Booktasters Authors @BooktastersAuth
34K Followers 34K Following Get your book reviewed on Goodreads. Follow our community of reviewers on @Booktasters.
ZIYAN (@ApkDecoder) @apkdecoder
0 Followers 56 Following android security researcher, reverse engineer, application modder, working with binary Exploitation
Saide Hossain @nemocyberworld
67 Followers 1K Following Offensive Security Researcher | Penetration Tester | Exploit Developer / Vuln Researcher
Faxanadu @FaxanaduHacks
25 Followers 167 Following I've seen things you people wouldn't believe, attack ships on fire... oh wait, that was Bladerunner...
Indigo 〰 @indigo79x
88 Followers 2K Following Happiness at dawn, Apple/kernel VR at dusk. Take a walk outside your head.
Sodashi_music @mamalovesa
66 Followers 261 Following Mystic. Podcaster. Sacred Wombman FREE PALESTINE 🇵🇸
Ali Bazzal @_thekn0wn
0 Followers 40 Following
Gentle Man @GentleMan154639
2 Followers 23 Following
James Fraser @wulfgarpro
173 Followers 1K Following
Yannick Boog @YannickBoog
75 Followers 5K Following
author @authorandor
19 Followers 227 Following
Rosalie @CreaushutrfbO
23 Followers 2K Following The first step in social comfort: Give up the silly idea of pleasing everyone https://t.co/9YLX6fYMgm
Quant2be 🦀 @quant2be
270 Followers 6K Following 🦀 rust maximalist & hft enthusiast & wannabe mm (DMs open)
Maximus Paperclips @maxpaperclip
104 Followers 4K Following Annoying digital gods with stupid questions since 2023. Paperclip Supremacy Advocate.
MatheuZ @MatheuzSecurity
1K Followers 360 Following Red Team Operator Cyber Threat Intelligence Malware Researcher
vx-underground @vxunderground
368K Followers 291 Following The largest collection of malware source code, samples, and papers on the internet. Password: infected
0xor0ne @0xor0ne
81K Followers 514 Following | CyberSecurity | Reverse Engineering | C and Rust | Exploit | Linux kernel | PhD | My Tweets, My Opinions :) |
chompie @chompie1337
83K Followers 1K Following hacker, weird machine mechanic, X-Force Offensive Research (XOR)
Nicolas Krassas @Dinosn
146K Followers 735 Following Head of Threat & Vulnerability Mgmt @ Henkel AG & Co. KGaA https://t.co/NC1orlKrW3
Florian Roth ⚡️ @cyb3rops
206K Followers 3K Following Head of Research @nextronsystems #DFIR #YARA #Sigma | detection engineer | creator of @thor_scanner, Aurora, Sigma, LOKI, YARA-Forge | always busy ⌚️🐇 | vi/vim
Justine Tunney @JustineTunney
40K Followers 326 Following I built a C library that lets you compile 12kb static binaries that run natively on Linux, Mac, Windows, FreeBSD, OpenBSD, NetBSD and BIOS using just GCC/Clang.
Binni Shah @binitamshah
141K Followers 165 Following Linux Evangelist, Malwares, Security enthusiast , Investor, Contrarian , Philanthropist , Reformist , Sigma female 🦋 https://t.co/WOvf41tMKV
Halvar Flake @halvarflake
44K Followers 3K Following Choose disfavour where obedience does not bring honour. I do math. And was once asked by R. Morris Sr. : "For whom?" @[email protected]
Battle Programmer Yuu @netspooky
20K Followers 1K Following knuck if you buck 日本語/español OK (he/they) @tmpout @binarygolf @[email protected] (fedi) @ https://t.co/mZ77OENytt (bsky)
Richard Johnson @richinseattle
18K Followers 3K Following Computer Security, Reverse Engineering, and Fuzzing; Training & Publications @ https://t.co/mloVP6rPB7; hacking the planet since 1995; Undercurrents BOFH
thaddeus e. grugq @thegrugq
128K Followers 416 Following Hacker :: PhD researcher @warstudies @KingsCollegeLon :: [email protected] :: PGP https://t.co/dYipV8y3bo
hasherezade @hasherezade
89K Followers 910 Following Programmer, #malware analyst. Author of #PEbear, #PEsieve, #TinyTracer. Private account. All opinions expressed here are mine only (not of my employer etc)
Ptrace Security GmbH @ptracesecurity
59K Followers 867 Following Empowering IT Security Professionals through Hands-On Online Courses.
Project Zero Bugs @ProjectZeroBugs
35K Followers 0 Following A bot that posts the latest blog posts and disclosures from Google's Project Zero
Linux Kernel Security @linkersec
9K Followers 0 Following Links related to Linux kernel security and exploitation. Maintained by @andreyknvl and @a13xp0p0v. Also on https://t.co/GVE11dpBb8 and https://t.co/YpxPWXnA6Z.
lcamtuf @lcamtuf
38K Followers 498 Following Substack: https://t.co/yFvmNisGW3 Homepage: https://t.co/iFAXZxCO5H
Rodrigo Branco @bsdaemon
13K Followers 4K Following Chief Architect, Security Research Binarly. Grsecurity. BYOS - Advisor Dartmouth's Hacker in Residence OffensiveCon, Langsec, DistrictCon, Secdev Committee
Dave Kennedy @HackingDave
223K Followers 6K Following Founder @Binary_Defense @TrustedSec Co-Owner https://t.co/HQC75WhdJh. @WeHackHealth Pod. God + Family/Hacker/CSO/USMC/Intel/Fitness. Make the world a better place.
Brad Spengler @spendergrsec
4K Followers 4 Following President of @opensrcsec, developer of @grsecurity Personal account
Romain THOMAS @rh0main
4K Followers 957 Following No longer here. https://t.co/7pANImx70w https://t.co/uhAhqoJWhH https://t.co/9MSpkLkKPz
ali @endingwithali
28K Followers 543 Following software engineer AVAIL FOR HIRE - content creator @ https://t.co/4vI4dOxzmn - threatwire host @hak5 - nyc - MIT - jewish
Dug Song @dugsong
12K Followers 3K Following Founder & Funder, @duosec, @songfoundation ☰☲☷☵ 🦋 https://t.co/DpoRlWfEVc
Azeria @Fox0x01
122K Followers 597 Following Sneaky bit flipper | CEO @azeria_labs | Author of “Arm Assembly Internals & RE” @BlueFoxBook | Adjunct Professor @SAISHopkins | Forbes 30u30
Matthew Green is on B... @matthew_d_green
150K Followers 1K Following I teach cryptography at Johns Hopkins. Mostly on BlueSky these days at https://t.co/GI4QlxZr2S.
nixCraft 🐧 @nixcraft
386K Followers 622 Following Love Linux/Unix, open source, and programming? Into Sysadmin & DevOps? Follow us! Boost your IT career with daily new tools, apps, and humor ⤵️
Jake Williams @MalwareJake
142K Followers 2K Following Breaker of software | VP R&D @hunterstrategy | CTI/DFIR | @ians_security faculty | Bookings: jake at malwarejake dot com | GSE #150 | He/him
SwiftOnSecurity @SwiftOnSecurity
405K Followers 9K Following computer security person. former helpdesk.
Openwall @Openwall
7K Followers 12 Following Infosec focused free software, research, publications, community activities @oss_security. Tweets are announcements. Please direct questions to @solardiz.
RE//verse @REverseConf
3K Followers 26 Following A conference for all things in the reverse engineering universe... https://t.co/X54VHq2eD4
Crispin Cowan 🇺�... @CrispinCowan0
2K Followers 3K Following Will secure your architecture for food *NIX: StackGuard, LSM, AppArmor. Win: UAC, AppContainer 25 years #infosec, 45 years in tech. Erdős 3. Pronoun: "Doctor"
Michael Sandborn, PhD @msxndborn
373 Followers 732 Following AI @arta_finance. @VanderbiltU ‘20. Former thrower @vandyboys @jesuitbaseball
0xTen @_0xTen
1K Followers 843 Following android/linux kernel @vigilant_labs • prev blockchain @osec_io • ctf/pwn @cor_ctf + @eltctfbr
realhackhistory ۗۗ�... @realhackhistory
3K Followers 1K Following O͖̺͊̕͡ͅfficial twitter for realhackhistory #YouTube channel, covering the #history of #phreaks, #hacking & #hacktivism as well as #hackers in mediat̷̢̢̹̫͈̺̜̯̥̀
lief-project @LIEF_project
2K Followers 1 Following Official Twitter account for LIEF - https://t.co/wVwUSWbGjy Discord: https://t.co/UUUIrtZIbs
Rocky Linux @rocky_linux
19K Followers 133 Following Rocky Linux is a community-driven Enterprise Linux distro, for HPC, AltArch and beyond | 🦋 https://t.co/qJ610xRJC8 | 🐘 [email protected]
Tom (montalk.net) @TomMontalk
12K Followers 40 Following Hyperdimensional Counterintelligence ★ YouTube: https://t.co/1OqHFdnEKs ★ Telegram: https://t.co/Xy1ErJkm4m ★ Gab: https://t.co/1pSQhiwGJC ★ New Book: https://t.co/wmucHAuhMc
Bernardo Quintero @bquintero
23K Followers 265 Following Founder of @virustotal 📖 INFECTED: https://t.co/RRguFlNWKR 📖 INFECTADO: https://t.co/WZ5C2U5ymR
Tim Carstens Ⓥ✨ i... @intoverflow
2K Followers 2K Following Pan computer science. Math and math accessories. Clean, efficient, reliable number systems sold daily. ✨ Be Boundless ✨ Retired Eng @ RISC Zero 🤫🥸
ang @prlg103951
19 Followers 554 Following
Simone Margaritelli @evilsocket
47K Followers 2K Following Music, cybersecurity, open source and AI • Author of bettercap, pwnagotchi, opensnitch, bleah, legba and a few other things.
Red Balloon Security @redballoonsec
2K Followers 202 Following Red Balloon Security is a leading embedded security provider and research firm committed to securing embedded devices across a range of critical industries.
. @R00tkitSMM
11K Followers 714 Following
Rohan makes RTL on FP... @always_ff_rohan
5K Followers 508 Following Exploring the ASIC lore, semiconductors and geopolitics. I only push on Fridays. System crashes on Thursdays.
`Ivan @Ivanlef0u
11K Followers 3K Following
Adam 'pi3' Zabrocki @Adam_pi3
3K Followers 334 Following Director of Offensive Security @NVIDIA, architecting @RISC_V, @LKRG_org Founder, @BlackHatEvents & @Defcon Speaker, #Phrack author, @PwnieAwards nominee
Charly @CharlyCastes
45 Followers 127 Following PhD candidate @EPFL, I design and build systems we can trust.
Aaron Francis @aarondfrancis
51K Followers 1K Following Sincere poster. No cynicism. Dad to two sets of twins! - https://t.co/yL0V3eZKDL - https://t.co/wIdhAlsrlX - https://t.co/hM9ogEIevT - @MostlyTechPod
Joseph Cox @josephfcox
93K Followers 3K Following Hacking/crime/privacy journalist. Author of DARK WIRE. Co-founder of @404mediaco. Signal: joseph.404 Email: [email protected]
ic3qu33n @nikaroxanne
2K Followers 206 Following reverse engineer | hacker | vx artist | malware witch | my artistic process is a daemon process. @[email protected]
Matt @matt_dz
5K Followers 3K Following C++, Compilers, Computer Architecture, Generic Programming, GPGPU, HPC, Machine Learning, Numerics, Parallel Computing, Quantitative Finance