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  • GREE
  • Japan
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truefinder/README.md

Hi there 👋

Trails

  • Senior Security Engineer, GREE 🇯🇵 2012, Now ~
  • Security Manager, LINE 🇯🇵 2008, 4 and half years
  • Co-founder, PanicSecurity 🇰🇷 (PS ScanW3B) 2004
  • Security Engineer, Webzen 🇰🇷 2003, 2years
  • Security Consultant, HackersLab 🇰🇷 (The first security consulting firm in Korea) 2001, 2years
  • Founder, IGRUS, Inha Group of Research for UNIX Secruity (2000)
  • Co-founder, KHDP, Koean Hacking Document Project (1999) with Wongyeo Jeong, Jiman Ham

Favorites

  • solidity, truffle, geth, react, nodejs, remix, ...
  • x86/64 asm, C/C++, C#, Python, PHP, Java, Ruby, Delphi, QML, Yacc&Lex...
  • IDA Pro, IDA plugins, gdb, frida, ollydbg, WindDbg, ZAP, Burp, Burp extensions ...
  • golang, Laravel, Fuelphp, Codeigniter, CakePHP, Django, Node.js, Symfony, Silex, Typescript, ...
  • Android, iOS, Windows, Linux, Mac OSX, Raspberry Pi, Arduino ...
  • (old friends) Solaris, Digital Unix, AIX, Minix, WinCE, i-Mode, KVM, ...

CTFs

  • 2002 Host, KOF(King of Fighters) 2001 ctf, HackersLab, Taiwan
  • 2001 Host, 2st KOF(King of Fighters) ctf, HackersLab, Korea
  • 2001 Winner, World Information Security Olymfair, KAIST, Korea

Bug Huntings(CVE)

  • CVE-2001-1093 "Buffer overflow in msgchk in Digital UNIX 4.0G and earlier"
  • CVE-2001-1092 "Msgchk in Digital UNIX 4.0G and earlier allows a local user to read the first line"
  • CVE-2000-0998 "Format string vulnerability in top program allows local attackers to gain root privileges"
  • CVE-1999-0691 "Digital Unix CDE dtaction -user overflow vulnerability proof of concept code"

Bug Bounties

Game Security

  • SINoALICE -シノアリス-, 戦姫絶唱シンフォギアXD UNLIMITED, アサルトリリィ Last Bullet, ...
  • 消滅都市, アナザーエデン 時空を超える猫, ダンまち〜メモリア・フレーゼ〜, ソウルアームズ, 追憶の青, ...
  • 釣り★スタ, ハコニワ, モンスタープラネット, 踊り子クリノッペ, 海賊王国コロンブス, 探検ドリランド, 聖戦ケルベロス, ...
  • LINE Bubble, LINE Pokopang, LINE PokoPoko, LINE Pop, LINE GundamWars, ...
  • TERA, Specil Force, Dragon Nest, ELSEWORD, パチスロDX, パチンコDX, ななぱち, チョコットランド, アラド戦記, ...

Speaker

Online publications

Popular repositories

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    Dochizame is an interactive GUI, which intercepts android functions. It hooks alternative native call functions and modifies its variables on live remotely.

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    webterm is interactive webshell usinig io socket thru http

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