Web3 Security Researcher / Retired reverser / prev. @kalos_security, @theori_io
대한민국 서울
Joined November 2018
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Sihoon Lee retweeted
The core utilities that run every Linux system have been rewritten in Rust. We audited them.
Before shipping uutils coreutils with Ubuntu 26.04, @Canonical commissioned Zellic for an external security audit.
Two rounds, fixes contributed directly upstream.
Full report below.
Sihoon Lee retweeted
🎉The KimchiPremium took 3rd place at Remedy 2025! 🎉 We're a Korean CTF team that plays for fun. Many thanks to the @xyz_remedy @hexens for hosting such a fantastic CTF with fun challenges. Looking forward to the next one!
The biggest Web3 CTF is over:
🥇 @ChainLight_io
🥈 A-Team
🥉 @Web3Kimchi
The Remedy CTF 2025 was @hexens's first-ever competition.
Check out all the highlights 🧵
Sihoon Lee retweeted
🎉 Huge congratulations to the winners of the Immunefi Writeup Contest at BlazCTF! 🏆
@neploxaudit @chiachih_wu @0xf4d3 @bazzibazzani and @push0ebp
Your hard work, creativity, and problem-solving skills shone through! 🔥
Thanks to all participants for showcasing your talent and pushing the boundaries of web3 security.
#BlazCTF #Immunefi
Check out the winning writeups in the thread below:
👇
Sihoon Lee retweeted
🎉The KimchiPremium team took 1st place at Blaz CTF 2024.🎉 We're a new CTF team formed for fun.
A big thank you to the @fuzzland_ team for running such a high-quality CTF.
Blaz CTF 2024 has concluded 🥳📷.
Congrats to KimchiPremium, @Offside_Labs, 我們不用很麻煩很累就可以共學 for securing the Top 3, and kudos to everyone who participated. See you next year :)
Sihoon Lee retweeted
Wondering who is the first place KimchiPremium @Web3Kimchi?
They are @push0ebp @snwo_kr @Jiri123_eth @andykoo @lj1nu @windowhan @gosasu1 me.pcw.kr @ep1st.
They have solved all challenges and aced 6 first bloods. ㊗️㊗️㊗️
Sihoon Lee retweeted
This collaboration propels public goods forward.
Vectorized (@optimizoor), Solady creator and co-author of ERC-6551, remarked, "Full marks. I finally found an auditoor I can trust on the same level as Zach Obront."
Hun Lee of KALOS (@push0ebp) commented:
Sihoon Lee retweeted
We had a great time at DEF CON CTF with @SuperGuesser and @codered_korea! Shout out to @osec_io for sponsoring our merch, and @MiscreantsHQ for the great shirt designs!
