WriteUp
smoothie_operator<<
Description This blog details a C++ heap exploitation challenge written for CSAW CTF Finals 2022. This challenge incorporates an OOB heap write pri...
从某新生赛入门PWN
本文为看雪论坛优秀文章看雪论坛作者ID：bad_c0de在某平台上看到了质量不错的新生赛，难度也比较适宜，因此尝试通过该比赛进行入门，也将自己所学分享给大家...
flare-on之anode解题技巧
类型判断 Anode是一道类型非常经典的逆向题，请求用户输入flag，判断是否正确：从IDA给出的信息来判断，这题是由NodeJS语言进行编写，然后NEXE打包成可执行文...
看雪2022 KCTF 秋季赛 | 第四题设计思路
看雪 2022 KCTF秋季赛 于11月15日中午12点正式开赛！比赛延续上一届的模式并进行优化，对每道题设置了难度值、火力值、精致度等多类积分，用规则引导题...
seccon 2022 quals – pwn simplemod by gallileo
Points: 470 After having a blast playing Codegate finals in Seoul the weekend before, we decided it would be fun to play SECCON Quals while on vac...
FE-CTF 2022: Cyber Demon – Hug Me, Squeeze Me
FE-CTF 2022: Cyber Demon Challenge: Hug Me, Squeeze Me For this challenge we are given two files and an address: words.elf (64-bit ELF executab...
Square CTF 2022: Yet Another Reversing Activity
This was one of the reversing challenge during Square CTF, i found it interesting and unusual as it involves YARA. 1. Description Supposedly this f...
SECCON CTF 2022 Quals writeup – English
Thank you for playing SECCON CTF 2022 Quals! Just like last year, I wrote some challenges for this CTF. 日本語writeupはこちら！ My challenge li...
【工控Writeup】2022河南工业互联网安全大赛复赛
HNGK-流量分析打开过滤mms，然后直接搜索flag发现有个列目录的返回结果。再往下找有个fileOpen的操作。继续往后找也是上面这俩个操作，那么就过滤一下fileOpe...
[CTF] ECW CTF 2022 – Reverse challenges writeup
During the European Cyber Week (ECW), a Capture the Flag (CTF) was organised on November 16th at Rennes in France. A preselection took place from O...