2021年12月13日 星期一

[Official Write-up] HITCON CTF 2021 - chaos

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Foreword I planned to go through the details of these challenges about how components interacted with each other. But after seeing the team ...
2019年10月23日 星期三

[Official Write-up] HITCON CTF Quals 2019 - Path of Exploitation

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Path of Exploitation (PoE) are the pwn challenges I designed for this year's HITCON CTF qualification. It contains three stages/layers, ...
4 則留言:
2018年10月2日 星期二

[Note] Learning KVM - implement your own kernel

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Few weeks ago I solved a great KVM escaping challenge from TWCTF hosted by @TokyoWesterns . I have given a writeup on my blog:  [Write-up] T...
6 則留言:
2018年9月5日 星期三

[Write-up] TokyoWesterns CTF 2018 - pwn240+300+300 EscapeMe

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The best KVM (Kernel-based Virtual Machine) challenge I've ever seen! Thanks @shift_crops  for giving such great challenge. He released...
5 則留言:
2018年6月26日 星期二

[Write-up] Google CTF 2018 - pwn420 sandbox compat

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Basic Info This is an interesting sandbox-escaping challenge! Though I solved it after the game, still want to share how fun this challeng...
2018年4月5日 星期四

[Write-up] 0ctf quals 2018 - pwn1000 Mighty Dragon

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Glad to say that we (HITCON) are the only team solved this challenge :D But in my opinion this challenge is more like a reversing but not...
2017年11月7日 星期二

[Official Write-up] HITCON CTF 2017 - pwn327 Real Ruby Escaping

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Introduction The attachment can be found in my repository: link Many people ask me to give this writeup because I announced that all ...