Jinheon Lee
@howdays1
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https://t.co/jaKYIHcTiZ @zellic_io | Part-Time Researcher @CyKorKU | President
Joined February 2021
Our club will host the first-ever CyKor CTF ! We have prepared a set of high-quality challenges, please play our CTF! π₯Ή
π’ CyKor CTF (@cykorctf) Announcement CyKor is pleased to host the upcoming CyKor CTF with great prizes! β’ 1st Place: $ 3,000 β’ 2nd Place: $ 1,500 β’ 3rd Place: $ 500 The event will be held for 24 hours, from 2025.12.06 01:00 (UTC+0) ! π CTF Link: https://t.co/QPHKJyZ3u2
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1. Weβre actively looking for sponsors for CyKor CTF. If youβre interested, please reach out at korea.cykor@gmail.com π 2. Weβd love to connect with hacking/security clubs from universities abroad! Weβre also considering inviting each other to our universities!! Please DM!! π
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I posted a DEFCON33 CTF challenge, jxl4fun2 (pwn).
We just shared two new DEFCON 33 CTF two write-ups on our blog! π Jinheon Lee (KU, 4th year) wrote about jxl4fun2 (pwn) π§ Jimin Jeong (KU, 4th year) covered tinii (rev) Check them out: π https://t.co/XiVyrqprz1 π https://t.co/Uw8iKsRUXW
#CTF #DEFCON #DEFCON33 #CyKor
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We have recently launched a blog π₯³π₯³ We're proud to share our very first post: "Write-up for AlpacaHack Round 9", written by @ah_p_uh, who is a member of our club! https://t.co/Z8iDvYMAQT Check it out and keep following our blog for more updates! π
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If you like memory corruption, low-level internals and building custom decompilers to analyse novel exploits check out the write-up here:
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λ°νμ½ λ³Έμ μ 4μλ‘ λ§λ¬΄λ¦¬νμ΅λλ€. 14λͺ
μ νκ΅μΈμ΄ λͺ¨μ¬ λ§λ λλ§μ λ΄λ
μλ κ³μλ©λλ€. π HypeBoy got 4th place in #DEFCON π₯³ Keep your eyes on 14 koreans :))) https://t.co/pJa4cjGHHQ
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[Zer0Con2023] "Gold Sponsor" Thanks to PK Security(@pksecurity_io) for sponsoring the "Gold" π PKSecurity is an offensive research company focusing on OS and Application vulnerability research. #Zer0Con2023
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Pwn2own 2023 is coming in now. This pwn2own season remind us that we pwned microsoft teams (unfortunately we failed in real round). Here is our first blog post about our journey of pwn2own 2022 microsoft teams RCE. https://t.co/FQ5682AUjL
blog.pksecurity.io
Me (@adm1nkyj1) and jinmo123 of theori(@jinmo123) participated pwn2own 2022 vancouver but we failed because of time allocation issue
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