- pwnable.kr - Unexploitable
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- [DefconCTF 2019] speedrun-003
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- [volgaCTF 2019] higher
- [TrustCTF 2019] start Write-up
- [Insomni'hack 2019] echoechoechoecho Write-up
- [Codegate 2019] KingMaker Write-up
- Deploy Nginx And CTFd with Docker
- Hook iOS applications using Frida
- Fix the problem that IDA Pro 7.0 Crash on MacOS Mojave
- Extract & Decrypt IPA from iOS 11 with bfinject
- [pwnable.tw] calc writeup
- Hello, PyJail!
- [pwnable.kr] blukat & horcruxes
- [pwnable.tw] orw (100pt)
- [GoogleCTF2018 Quals] Begginers Quest (2)
- [GoogleCTF2018 Quals] Begginers Quest (1)
- [Codegate2018 CTF] super marimo writeup
- [h3x0r CTF] whattheheap (pwn 420)
- [h3x0r CTF] easy_of_the_easy (pwn 300)
- Development Grade Server with Docker and Flask
- Analysis CVEs for iOS Jailbreaking