stypr

[email protected]haroldarold.kim (pubkey) · haroldaa[email protected]styprutoronto.ca

Currently working as a security engineer. AS400671 operator.
Interested in web exploitation, pentests, network managements, and development.

CTF

//ctftime.org/user/3401

International Finals

2021 🥈 N1CTF 2021
2021 🥈 LINE CTF
2020 🥉 HackTM CTF
2020 🥇 InterKosen CTF
2019 🥇 Hack.lu CTF
2019 🥇 RCTF 2019
2019 🥇 *CTF 2019
2019 🥇 Harekaze CTF
2019 🥇 0CTF/TCTF 2019
2018 🥇 BCTF 2018
2018 🥉 Hack.lu CTF
2017 🥇 ASIS CTF
2017 🥇 BSides San Francisco CTF
2016 🥈 EKOPARTY CTF
2016 🥈 Silk Road CTF
2016 🥈 Insomni'hack
2016 🥇 ASIS CTF
2016 🥇 C4CTF
2016 🥇 TUCTF
2016 🥇 Sharif University CTF
2016 🥈 Internetwache CTF
2015 🥇 Hack Zone Tunisia
2015 🥇 Break In
2015 🥈 HITB CTF
2014 🥈 Olympic Sochi CTF
CSAW CTF 2014 · 2015
DEFCON CTF 22 · 27 · 28 · 29 · 30

Domestic Finals

2020 🥈 Whitehat Contest (COC)
2019 🥇 Whitehat Contest (COC)
2018 🥇 ROKA Hacking Defense Contest
2015 🥇 14th HUST Hacking Festival
2015 🥇 2015 Inc0gnito Hacking Competition

Organizer

2022 Codegate CTF
2021 Asian Cyber Security Challenge
2020 BingoCTF
2019 XCTF Finals 2019
2018 ASIS CTF
2016 KAIST & POSTECH Science War
2015 POSTECH & KAIST Science War
2014 KAIST & POSTECH Science War

Advisories

//advisory.stypr.com/

Assigned

CVE-2022-34486
CVE-2022-27637
CVE-2022-35204
PSV-2022-0044
CVE-2021-4219
CVE-2021-20667
CVE-2021-20668
CVE-2021-20669
CVE-2021-20670
CVE-2021-20671
CVE-2021-20829
CVE-2021-29625
CVE-2021-32407
CVE-2021-32408
CVE-2021-32409
CVE-2021-41175
CVE-2020-5631
CVE-2020-5659
CVE-2020-5662
CVE-2020-5663
CVE-2020-5664
CVE-2020-5640
CVE-2020-15159
CVE-2020-15182
CVE-2020-15183
CVE-2020-15188
CVE-2020-15189
CVE-2020-28991
CVE-2019-6002
...

Patent

KR101623096B1

Hosted Services

	chall.stypr.com WargameWeb Security Wargame for offensive security experts to overcome situations of getting stuck in breaking into sophisticated web services or web-based solutions. The service initially started off at 2014; overall difficulty is lower as years have passed since the intial release of challenges.
	AS400671 Internet Service Provider (ISP)Corporate NetworkingBGP Non-profit multipurpose network provider for the NA region. Currently used for hosting, personal researches and penetration tests.

GitHub

	clubhouse-pyARCHIVED PythonReverse Engineering Clubhouse API written in Python. Standalone CLI client included. For reference and education purposes only.
	flagchecker CPHPDockerLinux Kernel Developed Linux Kernel Module(LKM) and a web service to manage answers(flag) for the security competition for finding out cheating players.
	tmpleak PythonCTF Released the code for being #1 on CTFTime 2016. Leaks contents from other players' temporary folders by bruteforcing directories. Works for local exploitation challenges. List of users and teams were directly crawled from ctftime.org.
	my-ctf-challenges WebCTF List of CTF challenges made since 2018. Some of challenges made before 2018 can be seen in chall.stypr.com.