Yudai Fujiwara
Capturing flags since Nov. 2018

Participate in teams

D0G$
DefenitelyZer0
insecure
Ricerca Security
shibad0gs
uuunderflow
std::weak_ptr<moon>
Yokosuka Hackers
zer0pts

ptr-yudais writeups

EventTaskAction
TSG CTF 2021Chat [500]read writeup
TSG CTF 2021Udon [393]read writeup
pbctf 2020Blacklist [420]read writeup
pbctf 2020Pwnception [383]read writeup
pbctf 2020TODO List [470]read writeup
pbctf 2020(Baby?) JHeap [420]read writeup
pbctf 2020Amazing ROP [87]read writeup
UIUCTF 2020MuJS [500]read writeup
TSG CTF 2020RACHELL [322]read writeup
TSG CTF 2020Karte [341]read writeup
TSG CTF 2020Violence Fixer [248]read writeup
TSG CTF 2020Beginner's Pwn [147]read writeup
TSG CTF 2020Detective [240]read writeup
S㎩mAndFlags Uけimate w呎は屸de C㏊mᒆonship Teaser ꕫꕫ - ㎩㏚i㎄ EditionSecstore [357+384]read writeup
S㎩mAndFlags Uけimate w呎は屸de C㏊mᒆonship Teaser ꕫꕫ - ㎩㏚i㎄ EditionNativity Scene [333]read writeup
FireShell CTF 2020The Return of the Side Effect [500]read writeup
FireShell CTF 2020FireHTTPD [492]read writeup
SuSeC CTF 2020Credentials [500]read writeup
SuSeC CTF 2020Jailbreak [394]read writeup
SuSeC CTF 2020Unary [182]read writeup
Facebook CTF 2019storagespace [919]read writeup
Facebook CTF 2019whysapp [961]read writeup
Facebook CTF 2019rank [494]read writeup
Facebook CTF 2019evil [896]read writeup
Facebook CTF 2019imageprot [100]read writeup
Facebook CTF 2019homework_assignment_1337 [100]read writeup
Facebook CTF 2019otp_server [410]read writeup
Facebook CTF 2019overfloat [100]read writeup
*CTF 2019babyshell [240]read writeup
*CTF 2019girlfriend [238]read writeup
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