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ptr-yudai
@ptrYudai
๐Ÿฃ๐Ÿฃ๐Ÿฃ nohello.net ๐Ÿฃ๐Ÿฅบ๐Ÿฃ ใฎ็Œซ ๐Ÿฏ ๐Ÿฃ๐Ÿฃ๐Ÿฃ nohello.net Japanese Sushi Hacker ๐Ÿ“ฆ=amzn.to/2Bh2w1J
ๆฑŸๆˆธJoined April 2017

ptr-yudaiโ€™s Tweets

10 hours have passed, but there are still unsolved challenges๐Ÿ‘€ Get the flags to come from behind to winโ›ณ๏ธ #ACSC
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ACSC this weekend๐Ÿ‘€ Many famous CTF players created challenges for U25 people! Anyone can play the qualification, so enjoy the challenges๐Ÿ˜‹
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ACSC 2023 is held on Feb.25th to 26th! Pre-registration is opened! Date & Time: Feb.25th noon to Feb.26th noon, 2023 Registration: score.acsc.asia/register Website: acsc.asia Finalists will be represent Asia to compete on the world stage at ICC held in the US.
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SecLang was the most time-consuming challenge to create in my CTF life. I had to design a new language, write an interpreter and compiler for it, make a good scoring system that no one can "cheat", adjust bugs and difficulty, and benchmark the system ๐Ÿ˜ต
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I really appreciate the other organizing members, players, infra team, logi team, and everyone who supported this event ๐Ÿ™ #SECCON
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I wrote the following tasks for #SECCON CTF 2022 Finals: diagemu, babyescape, Dusty Storage, Conversation Starter, Whisky, Paper House, Check in Abyss, a physical device challenge (Sniffer 1/2), and 2 KoH: SecLang and Heptarchy
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Thaaaank yooou for playing SECCON CTF!!! It was super exciting to organize an on-site CTF๐Ÿฃ I hope you enjoyed it ๐Ÿค—
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By the way, I apologize that the challenge concept of babypf in SECCON was the same as the kernel challenge from D3CTF by coincidence๐Ÿฅบ Never expected to make the exact same bug in the thousands of verifier code.
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SECCON Quals is coming this weekend! We will host an onsite Finals event this year๐ŸŽ‰ The entire organization has changed since 2020 so forget the 2019's one. I wrote/will make some tasks for both Quals and Finals ๐Ÿฃ
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SECCON CTF 2022 QUALS "Registration" is OPEN! Please register from here ->ctf.seccon.jp #seccon seccon.jp/2022/seccon_ct
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it was the first time to drink a glass of alcohol ๐Ÿ˜– i thought pub was a place that only exists in anime and movies. (with jskim, st98, and keymoon)
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I wrote nimrev, kiwi, luau, zundamon, CakeGEAR, OpenBio, ImageSurfing, Panda Memo, welkerme, str.vs.cstr, smal arey, crc32pwn, readme 2022, C-Sandbox, matsushima3, and Cake Memory.
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