HackSys Team @HackSysTeam
Vulnerability Research, Kernel Exploitation, Reverse Engineering, Exploit Development, Program Analysis, Malware Research, Web, Machine Learning hacksys.io India Joined September 2012-
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Bidding farewell to one of the last Windows kernel address leaks, CVE-2025-53136 (KASLR bypass). Sometimes, even patches can open new doors for exploitation. crowdfense.com/nt-os-kernel-i…
Check out our newest blog about how we took advantage of a WebGPU feature to turn an integer underflow bug into an arbitrary read in Chrome’s WebGPU. This bug was fixed by Google long ago, but our ticket is still restricted. qriousec.github.io/post/oob-angle/ by @lanleft_ + @__suto
Last weekend, I participated in corCTF and solved the Android Pwn challenge - corphone. It was a great challenge, and I learned a lot from it. Here's my write-up :) u1f383.github.io/android/2025/0…
My new article: "Kernel-hack-drill and a new approach to exploiting CVE-2024-50264 in the Linux kernel"⚡️ I tell a bug collision story and introduce my pet project kernel-hack-drill, which helped me to exploit the hard bug that received @PwnieAwards 2025 a13xp0p0v.github.io/2025/09/02/ker…
Part 1 of my article series on fine-tuning an LLM for analysis of massive amounts of Intel Processor Trace is up. Use cases: codebase vulnerability scan, at-scale bug triage, etc. With thanks to @33y0re, @ivanrouzanov, and @vGPUArthur: alansguigna.com/2025/08/using-…
Exploit and mini writeup for CVE-2025-5419. github.com/mistymntncop/C…
New blog post: A journey in Android physical memory - writeup on exploiting recent GPU bug CVE-2025-21479 dawnslab.jd.com/android_gpu_at…
Learn how Buttercup works under the hood: blog.trailofbits.com/2025/08/08/but…
@ShitSecure The problem described in your JSON would potentially be exploitable, with some factors depending like whats in the buffer and what you control - have a look at this repo and some tutorials, setup a machine to debug - github.com/hacksysteam/Ha…
3 Day Hand-on Training – Advanced Windows Kernel Exploitation Take a deep dive into Windows kernel internals, Fuzzing, privilege escalation, & advanced exploitation techniques. More details: c0c0n.org #infosec #CyberSecurity #SecurityConference #hacker #exploit
Looks like @BlueHatIL talks are online now, so here’s my talk for anyone who wanted to learn about the latest episode of KASLR and couldn’t make it: youtu.be/Dk2rLO2LC6I
@typhooncon is already over, but we enjoyed every minute ! During our talk "Journey To Freedom", we disclosed for the first time the details on the Windows LPE we used at Pwn2Own Vancouver 2024 after escaping from VirtualBox. Slides are already available: reversetactics.com/publications/2…
#OffensiveCon25 videos are now up! youtube.com/playlist?list=…
🚨 Recently Discovered Windows Kernel Vulnerability 🚨 We've published an advisory for a severe Local Privilege Escalation in dxkrnl.sys, which has been patched by Microsoft. 🛡️ CVE-2025-29812 🔗 Complete advisory: hacksys.io/advisories/HI-… 🎥 Demo video: youtu.be/y5urzgTQZN0…
DirectX Graphics Kernel Elevation of Privilege Vulnerability msrc.microsoft.com/update-guide/v…
Code reuse in the age of kCET and HVCI by @slowerzs blog.slowerzs.net/posts/keyjumpe…
The BSides Canberra 2024 keynote is now available to watch! "The Exploit Development Life Cycle: From Concept to Compromise" – @chompie1337 breaks down the art of exploit dev, from that first spark to full pwnage. Missed it live? Watch it now: youtu.be/ce0bXORSMX4
In our latest MindShaRE blog, @renorobertr describes how to use Binary Ninja’s MLIL to establish a data flow graph by tracing interactions between a specific memory allocation in order to find UAF bugs. He includes source code so you can, too. zerodayinitiative.com/blog/2025/3/20…
My writeup of the 2023 NSO in-the-wild iOS zero-click BLASTDOOR webp exploit: Blasting Past Webp - googleprojectzero.blogspot.com/2025/03/blasti…
chompie @chompie1337
83K Followers 1K Following hacker, weird machine mechanic, X-Force Offensive Research (XOR)
Ptrace Security GmbH @ptracesecurity
58K Followers 867 Following Empowering IT Security Professionals through Hands-On Online Courses.
Yarden Shafir @yarden_shafir
24K Followers 311 Following A circus artist with a visual studio license
h0mbre @h0mbre_
15K Followers 641 Following # Exploit Reliability Engineer # Developing a full-system snapshot fuzzer: https://t.co/mfVXhwoGYD # Avi: https://t.co/3fsQfVprCf
LiveOverflow 🔴 @LiveOverflow
156K Followers 1K Following wannabe hacker... he/him 🌱 grow your hacking skills @hextreeio
Adam Chester 🏴�... @_xpn_
36K Followers 501 Following Hacker for Hire at @SpecterOps | Blog at https://t.co/tjfTOllCEu | Insta at https://t.co/PqR6CZPwjl
Justin Elze @HackingLZ
65K Followers 5K Following CTO @TrustedSec | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
kmkz @kmkz_security
19K Followers 2K Following Offensive Security, pom-pom girl... Who cares ?? Bourbon Offensive Security Services | BOSS
b33f | 🇺🇦✊ @FuzzySec
33K Followers 1K Following 意志 / Antiquarian @ IBM X-Force / Team 501 / Ex-TORE ⚔️🦅 / I rewrite pointers and read memory / AI Psychoanalyst / Teaching @CalypsoLabs
Alisa Esage Шевч�... @alisaesage
38K Followers 101 Following Independent Hacker, Sovereign Builder, Solo Business Owner • @zerodaytraining • Pronounced ‘is edge’
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)
Oliver Lyak @ly4k_
9K Followers 265 Following Yet another security researcher 🔦 Github: https://t.co/7WFOFz17KI
Mobile Security @mobilesecurity_
32K Followers 1K Following Mobile Security ✌🏻 #MobileSecurity #AndroidSecurity #iOSsecurity
Thomas Roccia 🤘 @fr0gger_
32K Followers 2K Following AI Security x Threat Intel · Sr. Threat Researcher @Microsoft · Creator of #Unprotect & #NOVA · Malware Warlock · Python 🧡 · Prev @McAfee_Labs · Views mine 😈
Nikhil @Ox4d5a
18K Followers 1K Following Penetration Tester | i XCHG 0's 1's and do hacks | Red Team Sorcery https://t.co/6LUhkvN2hz | #eJPT | #OSCP | #CRTP | #CRTA | #CESP | #CRTE
Julien | MrTuxracer �... @MrTuxracer
37K Followers 444 Following Freelancer @rcesecurity | #BugBounty | @Hacker0x01 H1-Elite | $1,500,000 Overall Bounties | Mobile Hacker | https://t.co/pcWduPOt0n
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
Clandestine @akaclandestine
50K Followers 5K Following | Security | Osint | Threat Research | Opsec | Threat Intelligence | Infosec | Threat Hunting | Humint |
Chirag @Chirag28276456
4 Followers 110 Following A learner, always looking for solutions to crack a probelm.
Mxe @Mxexop
0 Followers 14 Following
Brazen Joe @joe_brazen39722
2 Followers 314 Following
Hassan Ali @casp3r0x0
115 Followers 726 Following OSEP OSWE OSED (OSCE3) | OSCP | CCNP ENCOR & SCOR | CCNA | Senior Penetration Tester | Red Teamer
Mohamed Aymane Zary @eclipse___2002
0 Followers 3 Following
emin @emin_here
1 Followers 101 Following
Edward Teach @EdwardTeachdb
0 Followers 9 Following
salem @sal73174858
470 Followers 2K Following
Dummy Account @Asta_nine
1 Followers 548 Following
Afshin Fakhim @a9v8i
87 Followers 45 Following Co-Founder & CEO at Unk9vvN | Head of Offensive Security R&D
Shahed Hosen @ShahedHose76892
110 Followers 3K Following
Cafou Lamort @CafouL2005
0 Followers 15 Following
dinosaurlover38 @_dinolover38
344 Followers 93 Following 0-day monkey | IBM X-Force Offensive Research (XOR)
btormaster @btormaster
0 Followers 58 Following
Michael Kramarenko @Michael47242613
490 Followers 6K Following
Jonathan Learns @L11151Learns
0 Followers 6 Following
Rifki Al Ansyari @levith4nn
0 Followers 79 Following
gal lok @pertusian
0 Followers 43 Following
B4tMite @B4tMite
6 Followers 67 Following Undergrad Student | CTF Player | On a doomed quest to learn everything
Jingibi @Jingib1
0 Followers 47 Following
gunther Santos @gunther_432
3 Followers 139 Following
Sublune @Sublune0
0 Followers 27 Following
Meta @Meta41597694103
1 Followers 39 Following
🆁🅸🆂🅴🅲�... @r00tsploiter
407 Followers 847 Following Educator | Trainer | Offensive tooling and Red teaming Grinder | Network pentesting https://t.co/pBHvNaVhDx https://t.co/x26PWO6gSw
Kaloyan Velikov @KaloyanVelikov
15 Followers 186 Following Bulgarian in Amsterdam🇳🇱. Interested in IT Security, Gaming, Music, DJ-ing and Photography.
Deceh @Deceh1659238
25 Followers 824 Following
Angga @huruhara53
0 Followers 34 Following
Chayanin @silenthunder200
0 Followers 83 Following
ripper @ripper1420438
1 Followers 37 Following
cursed soul @0xcursedsoul
2 Followers 123 Following
CeeBam @cee_bam4141
0 Followers 100 Following
pikoch chkas @PChkas
2 Followers 87 Following
nanhang @nanhang_950
0 Followers 43 Following
KR. LABORATORIES 🇺... @KrLaboratories
299 Followers 5K Following IT Security and Research Labs ⚡🛡️ #cybersec #infosec #tech #intelligence https://t.co/AYuTZlxhkN
Hoang Tien Thanh @htthanh02
2 Followers 191 Following
Jordi V @SrBonet2
1 Followers 120 Following
CarlosFugat @JalogaMalo87106
0 Followers 60 Following
chompie @chompie1337
83K Followers 1K Following hacker, weird machine mechanic, X-Force Offensive Research (XOR)
Nicolas Krassas @Dinosn
147K Followers 735 Following Head of Threat & Vulnerability Mgmt @ Henkel AG & Co. KGaA https://t.co/NC1orlKrW3
Yarden Shafir @yarden_shafir
24K Followers 311 Following A circus artist with a visual studio license
h0mbre @h0mbre_
15K Followers 641 Following # Exploit Reliability Engineer # Developing a full-system snapshot fuzzer: https://t.co/mfVXhwoGYD # Avi: https://t.co/3fsQfVprCf
LiveOverflow 🔴 @LiveOverflow
156K Followers 1K Following wannabe hacker... he/him 🌱 grow your hacking skills @hextreeio
Adam Chester 🏴�... @_xpn_
36K Followers 501 Following Hacker for Hire at @SpecterOps | Blog at https://t.co/tjfTOllCEu | Insta at https://t.co/PqR6CZPwjl
Trend Zero Day Initia... @thezdi
83K Followers 16 Following Trend Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
Justin Elze @HackingLZ
65K Followers 5K Following CTO @TrustedSec | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
kmkz @kmkz_security
19K Followers 2K Following Offensive Security, pom-pom girl... Who cares ?? Bourbon Offensive Security Services | BOSS
x86matthew @x86matthew
21K Followers 189 Following C / asm / system emulation / reverse engineering. @the_secret_club
Pavel Yosifovich @zodiacon
14K Followers 917 Following Windows Internals expert, author, and trainer. Teaching system programming & debugging at TrainSec. Check out my books & courses! 🚀 #WindowsInternals #TrainSec
Alex Plaskett @alexjplaskett
12K Followers 572 Following Security Researcher | Pwn2Own 2018, 2021, 2022, 2024 | Posts about 0day, OS, mobile and embedded security.
JS0N Haddix @Jhaddix
167K Followers 7K Following CEO, CISO, Trainer, Hacker, and Speaker. Cybersecurity + Hacking + AI + Sec Leadership @arcanuminfosec
b33f | 🇺🇦✊ @FuzzySec
33K Followers 1K Following 意志 / Antiquarian @ IBM X-Force / Team 501 / Ex-TORE ⚔️🦅 / I rewrite pointers and read memory / AI Psychoanalyst / Teaching @CalypsoLabs
Alisa Esage Шевч�... @alisaesage
38K Followers 101 Following Independent Hacker, Sovereign Builder, Solo Business Owner • @zerodaytraining • Pronounced ‘is edge’
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)
Xeno Kovah @XenoKovah
13K Followers 75 Following Interested in reverse engineering, firmware, bluetooth, trusted computing, and training. Founder of OpenSecurityTraining2 https://t.co/slK2fsMRwU
Oliver Lyak @ly4k_
9K Followers 265 Following Yet another security researcher 🔦 Github: https://t.co/7WFOFz17KI
Ivan Krstić @radian
12K Followers 869 Following Head of Security Engineering+Architecture (SEAR) at Apple. I don’t speak for my employer.
dinosaurlover38 @_dinolover38
344 Followers 93 Following 0-day monkey | IBM X-Force Offensive Research (XOR)
Francesca Albanese, U... @FranceskAlbs
520K Followers 1K Following Int'l Lawyer | Scholar | Former UN Official | Sen.Adviser @ARDD @ar_renaissance Solidarity is the political declination of Love (cit).
Sandra Joyce @JumpforJoyce
2K Followers 198 Following VP, Google Threat Intelligence @ Google. Board Member. Mom/Wife. Veteran. PhD Student
Dillon Franke @dillon_franke
1K Followers 398 Following Fuzzing, MacOS, vuln research @Google. Jesus Follower
Major_Tom @MajorTomSec
3K Followers 378 Following Underground control to Major_Tom. Security ninja @Synacktiv CTF Player @SentryWhale
Hoàng Hải Long �... @seadragnol
336 Followers 212 Following Security researcher at @qriousec. Tiếng Việt / English / 日本語
lime @limeSec_
441 Followers 257 Following CTFer@r3kapig | Bug hunter@Google | Top5 Chrome VRP | Bug hunter@Web3
Anderson Nascimento @andersonc0d3
3K Followers 4K Following Founder & Security Researcher @allelesecurity Mastodon: @[email protected] Bluesky: @andersonc0d3.bsky.social
Csaba Fitzl @theevilbit
8K Followers 1K Following macOS Security -- Trail running 🏃 -- Mountains ⛰ -- Tolkien fan For mountain pictures, go to: https://t.co/Xf7KDW5fKu
Joseph Ravichandran @0xjprx
4K Followers 546 Following PhD Student studying Microarchitectural Security @MIT
Youngjoo (Jay) Lee @ashuu_lee
2K Followers 417 Following Browser Security @Apple | alias NextLine | CTFs w/ WreckTheLine, CodeRed(KR)
LukeGix @LukeGix
492 Followers 577 Following Computer science student @ Unimi. Professional n00b. He/Him
0xTen @_0xTen
1K Followers 852 Following android/linux kernel @vigilant_labs • prev blockchain @osec_io • ctf/pwn @cor_ctf + @eltctfbr
immortalp0ny @immortalp0ny
882 Followers 275 Following Passionate in puzzle solving All tweets are my own https://t.co/WvGoeDGB8B
dmnk.bsky.social @domenuk
5K Followers 512 Following 【ＤΞＣＯＭＰＩＬΞ ＮΣＶΞＲ】 Android Red Team @google Fuzzing @aflplusplus CTF @enoflag (opinions my own)
AJ @justandrijana
600 Followers 402 Following Janai researcher. AJ around the world. RCEPECT. CEO of SAFA Team.
SAFA Team @SAFATeamApS
395 Followers 109 Following
Andrea Palazzo @cogitoergor00t
843 Followers 482 Following Android researcher & Director @prdgmshift. prev: LIST_POISON2 (dead000000000200), list_del corruption. Founder @truel_it
Filippo Roncari @f_roncari
2K Followers 590 Following Curious guy with a long-time passion for zero-days. CTO @prdgmshift, *OS security research. Prev: research director @■, co-founder and researcher @truel_it.
Christopher @Kharosx0
3K Followers 2K Following Founder @signal_labs : https://t.co/8grJlb5jwZ 🇦🇺 Vulnerability researcher (MORSE) @Microsoft Discord: Kharosx0
Disconnect3d @disconnect3d_pl
3K Followers 691 Following Security Engineer at @trailofbits. Pwndbg maintainer, justCatTheFish CTF team captain. Opinions are my own =)
DiegoAltF4 @Diego_AltF4
702 Followers 1K Following Binary Exploitation & Fuzzing enthusiast with a special focus on Hypervisors | @zeroclicksh
Mitchell Hashimoto @mitchellh
146K Followers 141 Following Working on a new terminal: Ghostty. 👻 Prev: founded @HashiCorp. Created Vagrant, Terraform, Vault, and others. Vision Jet Pilot. 👨✈️
daniel:// stenberg:// @bagder
59K Followers 538 Following Typos and segfaults. I write curl. On team @wolfSSL. I don't know anything. @[email protected] My weekly email: https://t.co/9UYYYMLWaw
Chris Thompson @retBandit
7K Followers 871 Following CEO, RemoteThreat, Head of Red team @ IBM X-Force, Black Hat Review Board. Founder and co-organizer of Offensive AI Con. inveni et usurpa
kangel @J_kangel
579 Followers 269 Following Graduated from @ZJU_China｜Retired CTF player @AAA ｜Binary security ｜Virtualization security
sferrini @Simone_Ferrini
5K Followers 1K Following *OS Security Researcher & Director at @prdgmshift. Passionate about RE, fuzzing, hardware and low-level binary stuff. ʚଓ
Matthias Kaiser @matthias_kaiser
7K Followers 1K Following Android/Java Vulnerability Researcher. 0xACED. Ex-Apple. Now @matthiaskaiser.bsky.socialTrends for United States
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