HackSys Team @HackSysTeam
Vulnerability Research, Kernel Exploitation, Reverse Engineering, Exploit Development, Program Analysis, Malware Research, Web, Machine Learning hacksys.io India Joined September 2012-
Tweets10K
-
Followers10K
-
Following628
-
Likes919
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…
CimFS: Crashing in memory, Finding SYSTEM! @cplearns2h4ck dug into Microsoft CimFS, found a sneaky 0-day, and guess what? The fix by Microsoft was just locking the door 🔐on unprivileged users. 😂 Dive into the adventure with us: starlabs.sg/blog/2025/03-c…
Get unparalleled depth on #Scudo Memory allocator internals - AND a sneak peek at @Morpheus______'s surprise new book - technologeeks.com/blog/Scudo/

chompie @chompie1337
83K Followers 1K Following hacker, weird machine mechanic, X-Force Offensive Research (XOR)
Ptrace Security GmbH @ptracesecurity
59K Followers 867 Following Empowering IT Security Professionals through Hands-On Online Courses.
Yarden Shafir @yarden_shafir
24K Followers 309 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
155K 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 / t501 / Ex-TORE ⚔️🦅 / I rewrite pointers and read memory / AI Psychoanalyst / Teaching @CalypsoLabs
Alisa Esage Шевч�... @alisaesage
38K Followers 101 Following Independent Hacker & Researcher, Owner of Zero Day Engineering @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_
31K 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 443 Following Freelancer | #BugBounty | @Hacker0x01 H1-Elite | $1,500,000 Overall Bounties | ❤️ Reversing | 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
49K Followers 5K Following | Security | Osint | Threat Research | Opsec | Threat Intelligence | Infosec | Threat Hunting | Humint |
cursed soul @0xcursedsoul
2 Followers 124 Following
CeeBam @cee_bam4141
0 Followers 91 Following
pikoch chkas @PChkas
1 Followers 75 Following
nanhang @nanhang_950
0 Followers 39 Following
KR. LABORATORIES 🇺... @KrLaboratories
307 Followers 5K Following IT Security and Research Labs ⚡🛡️ #cybersec #infosec #tech #intelligence https://t.co/AYuTZlxhkN
Hoang Tien Thanh @htthanh02
2 Followers 172 Following
Jordi V @SrBonet2
0 Followers 121 Following
jaloga maloga @JalogaMalo87106
0 Followers 51 Following
Wyatt Malkin @malkin_wyatt
0 Followers 46 Following
Slawjie @Slawjie45022
88 Followers 2K Following
Lone Wo @wo_lone99375
1 Followers 48 Following
Dalia albash @lllDmay7778889
2 Followers 35 Following
Monico Santeno @MonicoSanteno
0 Followers 12 Following
Aphra @MarcPuigSec
20 Followers 311 Following 🛡️ Cybersec | Industrial → InfoSec transition 🔍 Pentesting & Red Team methodologies 🏴☠️ BCN based | Catalan/French/EN Building things that shouldn't exist
Jaafar @jaf51744
146 Followers 95 Following
Iteagald @Iteagald6942
52 Followers 710 Following
becool @becool09305879
0 Followers 35 Following
encrypted @kaifashraf859
0 Followers 246 Following
Qanon @qanonfree
4 Followers 4K Following
MiniMajor @M1n1Major
0 Followers 160 Following
Lucas Apa @lucasapa
920 Followers 709 Following Security breaker with @IOActive. 🇦🇷 on world tour hacking embedded systems. Offensive arts, biz dev & innovation! Exploits, IoT, Robots, IIoT, SmartCities
loiute buio @LoiuteB4155
5 Followers 413 Following
itzzz rezhwannn @bexam451706
55 Followers 1K Following I explained my hurt and still got hurt, so I learned how to stop talking.
Stracci @NerStraq
2 Followers 228 Following
Diego López De Silan... @diego_silanes
13 Followers 502 Following
عبد السلام �... @lka3h_taime
487 Followers 2K Following
Ahlam saleh @Ahlamsaleh86
2 Followers 226 Following
Muhammed Ashik S @SDE_Ashik
4 Followers 26 Following
Alexa Rodriguez @AlexaRodri83636
0 Followers 25 Following
Mjt @mjtun01own
2 Followers 79 Following
Dendi Suhubdy e/acc |... @dendisuhubdy
4K Followers 6K Following CEO and Co-Founder @bitwyre. Not investment advice.
وحدة الظل ا�... @abualqassam1s
3 Followers 32 Following Shadow Cyber Unit Free Palestine and free Gaza
Gosgar Ramazanli @RGoshgar
0 Followers 333 Following
Shawn @ShawnABCD
30 Followers 506 Following
joseLuis_B_R# @joselbr5
110 Followers 456 Following $ echo "CTF player | Golang/Cybersecurity/Linux Student Fan |" $ curl https://t.co/YGnRBSWIwK
Dr.Ax0n-X @Dr_Ax0n
80 Followers 1K Following Beginner security bug hunter & Medical student 🌟 اللهم اغفر لي ولوالدي 🌟
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
Yarden Shafir @yarden_shafir
24K Followers 309 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
155K 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 915 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 571 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 / t501 / Ex-TORE ⚔️🦅 / I rewrite pointers and read memory / AI Psychoanalyst / Teaching @CalypsoLabs
Alisa Esage Шевч�... @alisaesage
38K Followers 101 Following Independent Hacker & Researcher, Owner of Zero Day Engineering @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
Francesca Albanese, U... @FranceskAlbs
504K Followers 998 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 379 Following Underground control to Major_Tom. Security ninja @Synacktiv CTF Player @SentryWhale
Hoàng Hải Long �... @seadragnol
327 Followers 212 Following Security researcher at @qriousec. Focus on Linux kernel. Tiếng Việt / English / 日本語
lime @limeSec_
437 Followers 256 Following CTFer@r3kapig | Bug hunter@Google | Top5 Chrome VRP | Bug hunter@Web3
Anderson Nascimento @andersonc0d3
3K Followers 3K 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
487 Followers 574 Following Computer science student @ Unimi. Professional n00b. He/Him
0xTen @_0xTen
1K Followers 843 Following android/linux kernel @vigilant_labs • prev blockchain @osec_io • ctf/pwn @cor_ctf + @eltctfbr
immortalp0ny @immortalp0ny
876 Followers 274 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
596 Followers 402 Following Janai researcher. AJ around the world. RCEPECT. CEO of SAFA Team.
SAFA Team @SAFATeamApS
394 Followers 109 Following
Andrea Palazzo @cogitoergor00t
840 Followers 475 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 690 Following Security Engineer at @trailofbits. Pwndbg maintainer, justCatTheFish CTF team captain. Opinions are my own =)
DiegoAltF4 @Diego_AltF4
703 Followers 1K Following Binary Exploitation & Fuzzing enthusiast with a special focus on Hypervisors | @zeroclicksh
Mitchell Hashimoto @mitchellh
141K Followers 139 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 870 Following Head of Red team @ IBM X-Force. Black Hat Review Board. Founder and co-organizer of Offensive AI Con. Co-Founder of RemoteThreat. inveni et usurpa
kangel @J_kangel
577 Followers 268 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
6K Followers 1K Following Java/Android Vulnerability Researcher. 0xACED. Ex-Apple. Now @matthiaskaiser.bsky.social