esc @______esc______
I'm just here to stalk hackers. Joined January 2021-
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High-performance QEMU tracing of all PCs and memory accesses (read/write + addr + size + value read/written). Capable of doing about 2 x86 cycles/MIPS instruction with full tracing. Here's a cool demo video of watching all memory accesses in real-time! youtube.com/watch?v=dYyjc2…
I started a git repo for folks to share small debugger scripts and queries: github.com/TimMisiak/WinD… Not much there yet, but I'm going to add stuff every time I think of something new. Feel free to add your own!
I made a new auto-separated x86 ISA reference page: namazso.github.io/x86/ Source for generator coming soon™️, I just want to get CI working. Also, it has dark mode
On January 13th, Firefox became unusable for close to two hours for users worldwide. This incident interrupted many people’s workflow. This post highlights the complex series of events that triggered a bug deep in the networking code of Firefox. hacks.mozilla.org/2022/02/retros…
@sylefeb I'm surprised more people haven't hacked on this challenge before, especially after the vid by @LiveOverflow. I've had it on my todo for a while to make a webgl version of this since compute shaders are supported in browsers now.
SerenityOS PR: Profiler: Add a flamegraph view for the stack (by @NickHollett) "The flamegraph makes it easier to quickly spot expensive functions, based on the width of their bar." 🤩🐞 github.com/SerenityOS/ser…
“Can you explain this gap in your resume” yeah I made it in LaTeX and I don’t know how to make the paragraph breaks smaller
@angealbertini There is this amazing list by @alexanderjaeger: github.com/deralexxx/comp…
Pretty happy that after only 3 days of dev my IL can already optimize this
In this second part of our blogpost on writing a symbolic execution engine, we write a simplified WASM interpreter and use it to run a crackme. Enjoy, summer is here! synacktiv.com/publications/w…
This is a great diagram from Anandtech (anandtech.com/show/16805/amd…). It uses color to show the relative cost of communicating between any two cores of a 64-core Threadripper. The physical layout of chips is becoming increasingly important to performance-oriented programming!
Just released wtf which is a distributed, code-coverage guided, cross-platform snapshot-based fuzzer designed for attacking user and kernel-mode targets running on Microsoft Windows. It found bugs in IDA, a triple-A game, the Windows kernel, etc. 🔥🔥 github.com/0vercl0k/wtf
GitHub Copilot is your new exploit helper 🙃
@Pwn2Win Writeup's (finally) up: ubcctf.github.io/2021/06/pwn2wi…
I'm writing an online book: "FPGA Design Elements", which provides a reference library of fundamental digital logic design elements. Think of it as a hardware analog to the C Standard Library ("libc") and its documentation. fpgacpu.ca/fpga/index.html github.com/laforest/FPGAD… #FPGA
I've just posted my writeup for the five-part SSTIC 2021 challenge here: robertxiao.ca/hacking/sstic-… This was an amazing and very deep challenge and I learned a ton from doing it. Props to the @sstic organizers for putting it on!
@Pwn2Win Hello! We (Maple Bacon) have solved your challenge. Flag: CTF-BR{1209cb9375c90526914480802a54c830d7665fd2718d8805c6a71ad5}. XMR address: 82hBWE6qZ39VQSRbKCE4pWMdqAgT6qdN55hdY63KyG9A5E3Yixn1HDy1QSX5d9ftH6BLyYkaGgaEA7K31NAfiHSWVPGAXCt. Thanks for the fun challenge!
Zilakka @zilakka
77 Followers 1K Following Digital, embedded, RF, analog, psychology. Confidence in about that order. Lots of why-questions. デジタル、組み込み、RF、アナログ、心理学。 その程度の自信。 たくさんの理由の質問。
I love NoStarchPress @Dot_Loki
94 Followers 3K Following #malware #websec #osint #ctf how do i use internet??
bitdressing @jkbkw
1 Followers 4K Following
Crispin Cowan 🇺�... @CrispinCowan0
2K Followers 3K Following Heretical investor: Long-only momentum compounding, CAGR maximalist Infosec legacy: Stack canaries, LSM, AppArmor, AppContainer Erdős 3 Pronoun: "Doctor"
Procedural Onions �... @proceduralonion
512 Followers 1K Following Simple rules lead to complex behavior, complex rules lead to stupid behavior.
Phil Vachon @pvachonnyc
332 Followers 200 Following Head of Security Architecture, Bloomberg CTO’s Office. Likely daydreaming about riding my bike. Nobody wants my opinions (not even I).
Byte Swap @byte_swap
252 Followers 562 Following
Dennis Elser @sdkboi
1K Followers 382 Following
VIE, slayyyter discip... @vie_pls
2K Followers 220 Following @maplebaconctf @mmm_ctf_team @bbb_ctf --- 4 time DEF CON CTF winner (2022-2025) and organizer (2026-), human artist and security researcher. NO AI
Perri Adams @perribus
7K Followers 989 Following @Dartmouth ISTS Fellow & @SAISHopkins Adjunct Prof., inter alia. Former @DARPA, @DEFCON CTF, etc. @DistrictCon, @hexacon_fr, @LABScon_io CFP Review Boards
FuzzingLabs @FuzzingLabs
9K Followers 4K Following Research-oriented Cybersecurity startup specializing in #fuzzing, Vulnerability Research & Offensive security on Mobile, Browser, AI/LLM, Network & Blockchain.
John Dunlap @JohnDunlap2
347 Followers 1K Following Security Researcher, demoscene fan, hardcore Tetris enthusiast former GDS / former ToB / Leviathan Security / Trellix these days. Opinions are entirely my own.
Axel Souchet @0vercl0k
13K Followers 584 Following ¯\_(ツ)_/¯, blogging on https://t.co/36oOc8Mgha and posting codes on https://t.co/P83Oen94Rc.
John "Penjdoe" Doe @SiouxDenim
56 Followers 279 Following husband • father • christian • umbrella enthusiast • pathological liar
yrp @yrp604
969 Followers 803 Following
George Hotz 🌑 @realGeorgeHotz
303K Followers 202 Following President @comma_ai. Founder @__tinygrad__
secret club @the_secret_club
18K Followers 0 Following secret club is a not-for-profit reverse-engineering group; publishing new research on popular software. No ads, no cookies, just research.
Jean-François Roy @jfroy
1K Followers 2K Following @nvidia working on GFN. Previously @google (Stadia) and @apple. IRONMAN 70.3 and gamer. My opinions are my own. @[email protected]
Nautilus Institute @Nautilus_CTF
2K Followers 28 Following We like shells. The # kind and the 🐚 kind.
Craig F. Douglass @C_F_Douglass
1K Followers 4K Following @Contact_CI cofounder | Multi-Force Ergonomic Haptics | HCI | Spatial Computing | Telerobotics | Sims Training | @CincinnatiVR🦾🧤#FeelTheUnreal #WhoDey
Lucas VRTech 🧤 @VrLucid
3K Followers 319 Following Bringing tomorrow's budget VR today. Cheap gloves, treadmills, and more! Alum @MIT
Ken Shirriff @kenshirriff
69K Followers 1K Following No longer active on Twitter. Bsky: @righto.com; Mastodon: @[email protected]
Amila Welihinda @amilajack
11K Followers 1K Following Building @palette_dev -- Stop guessing why your frontend is slow.
Yarden Shafir @yarden_shafir
26K Followers 328 Following A circus artist with a visual studio license
OverTheWire.org @OverTheWireCTF
7K Followers 7 Following Tweets about https://t.co/qzW0qHb46v CTF-like events
James @j_wang_11
84 Followers 573 Following
dmnk.bsky.social @domenuk
5K Followers 509 Following 【ＤΞＣＯＭＰＩＬΞ ＮΣＶΞＲ】 Android Red Team @google Fuzzing @aflplusplus CTF @enoflag (opinions my own)
Johnathan Norman @spoofyroot
4K Followers 332 Following Security research and engineering lead at @microsoft. on mastodon: https://t.co/YfJkktByFv and @spoofy.bsky.social not posting here anymore.
fail0verflow @fail0verflow
51K Followers 10 Following
DIY Perks @DIYPerks
21K Followers 79 Following
doar-e @doar_e
3K Followers 4 Following Diary of a reverse-engineer blog - You like binaries and reverse-engineering ? Write a post!
Procedural Onions �... @proceduralonion
512 Followers 1K Following Simple rules lead to complex behavior, complex rules lead to stupid behavior.
j00ru//vx @j00ru
37K Followers 821 Following (Mostly) Windows hacker & vulnerability researcher. Google Project Zero. @DragonSectorCTF
chompie @chompie1337
90K Followers 1K Following hacker, exploit developer/weird machine mechanic head of X-Force Offensive Research (XOR) @IBM
`Ivan @Ivanlef0u
11K Followers 4K Following
Svieg (@svieg@infosec... @hugospns
325 Followers 2K Following Research @ Hitachi Energy, conf @Northsec_io (he/him) Mastodon: @[email protected]
Ronald Huizer @ronaldhuizer
425 Followers 207 Following Likes video games better than computer security. Senior security researcher.
Zero Day Engineering ... @zerodayengine
2K Followers 50 Following Zero Day Engineering Supplies • Private Intelligence: @zerodayalpha • Community: https://t.co/ASQmvN9Jz4
Gynvael Coldwind @gynvael
39K Followers 1K Following security researcher/programmer/director @ HexArcana Cybersecurity GmbH ⁂ @pagedout_zine ⁂ @DragonSectorCTF ⁂ https://t.co/ShG2c5As1K ⁂ ex-Google ⁂ he/him
iPostHuman @NoManJourney
195 Followers 63 Following After Hours Engineering (YouTube) @william_cleveland@"elephant".social Neuromorphic engineering 🧬, Agnostic
babush @pmontesel
889 Followers 647 Following @mhackeroni / I do stuff with computers / opinions not my own / 🇮🇹🇨🇦🇯🇵
ippsec @ippsec
124K Followers 371 Following
Rajvardhan Agarwal @rajxnull
6K Followers 409 Following Security Engineer @zellic_io | prev: @Apple | Opinions my own
VIE, slayyyter discip... @vie_pls
2K Followers 220 Following @maplebaconctf @mmm_ctf_team @bbb_ctf --- 4 time DEF CON CTF winner (2022-2025) and organizer (2026-), human artist and security researcher. NO AI
Can Bölük @_can1357
17K Followers 465 Following BDFL @ https://t.co/MXnNmnVajl I break software for a living, giving back by making LLMs break em less. Lifelong ring-0 resident, LA57 fan, drew a ▲ with dx12 once.
sqrtrev @sqrtrev
5K Followers 715 Following Captain of @SuperGuesser / DEFCON 29 - 34 Finalist Security Researcher @ENKI_official_X
Darkarnium @Darkarnium
2K Followers 366 Following Mostly security and the cloudy clouds with occasional metal and beer ramblings for good measure.
Qyriad @Qyriad
845 Followers 59 Following Embedded software engineers. she (singular) / they (plural)
Fabian Giesen @rygorous
15K Followers 91 Following Abstraction maker, abstraction breaker. @[email protected] he/him
[email protected] @Zardus
7K Followers 89 Following Retired @DEFCON CTF org, @Shellphish Captain Emeritus, @ASU Prof, @angrdothorse hacker, @pwncollege sensei, @ACE_Inst Director.
@[email protected] @shafikyaghmour
8K Followers 865 Following Compiler Engineer clang front end. Interests: C++, C, and undefined behavior. Martial Artist, Book Worm and Dad. @[email protected] he/himYou might like
