<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Posts on Ryou</title><link>https://ryouthecat.github.io/posts/</link><description>Recent content in Posts on Ryou</description><generator>Hugo -- 0.165.0</generator><language>en-us</language><lastBuildDate>Sat, 29 Aug 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://ryouthecat.github.io/posts/index.xml" rel="self" type="application/rss+xml"/><item><title>R3CTF 2026</title><link>https://ryouthecat.github.io/posts/ctf/r3ctf/</link><pubDate>Sat, 29 Aug 2026 00:00:00 +0000</pubDate><guid>https://ryouthecat.github.io/posts/ctf/r3ctf/</guid><description>An obfuscated binary</description></item><item><title>L3AKCTF 2026</title><link>https://ryouthecat.github.io/posts/ctf/l3ak2026/</link><pubDate>Mon, 03 Aug 2026 00:00:00 +0000</pubDate><guid>https://ryouthecat.github.io/posts/ctf/l3ak2026/</guid><description>Discussion about the reverse challenge in L3akCTF 2026</description></item><item><title>Dreamhack M Challenge</title><link>https://ryouthecat.github.io/posts/note/m_dreamhack/</link><pubDate>Tue, 28 Jul 2026 00:00:00 +0000</pubDate><guid>https://ryouthecat.github.io/posts/note/m_dreamhack/</guid><description>Tough relocation-style challenge</description></item><item><title>Dreamhack Pwn</title><link>https://ryouthecat.github.io/posts/note/dreamhackpwn/</link><pubDate>Wed, 17 Jun 2026 00:00:00 +0000</pubDate><guid>https://ryouthecat.github.io/posts/note/dreamhackpwn/</guid><description>Just a few note about some pwn challenge on dreamhack</description></item><item><title>Crackmes.one RE CTF 2026</title><link>https://ryouthecat.github.io/posts/ctf/crackmes2026/</link><pubDate>Tue, 17 Mar 2026 00:00:00 +0000</pubDate><guid>https://ryouthecat.github.io/posts/ctf/crackmes2026/</guid><description>Discussion about Crackmes.one RE challenge</description></item><item><title>HKCERT</title><link>https://ryouthecat.github.io/posts/ctf/hkcert2025/</link><pubDate>Sat, 14 Feb 2026 00:00:00 +0000</pubDate><guid>https://ryouthecat.github.io/posts/ctf/hkcert2025/</guid><description>Solution for Reverse Engineering&amp;#39;s HKCERT challenge</description></item><item><title>LACTF</title><link>https://ryouthecat.github.io/posts/ctf/lactf2026/</link><pubDate>Sat, 14 Feb 2026 00:00:00 +0000</pubDate><guid>https://ryouthecat.github.io/posts/ctf/lactf2026/</guid><description>Interesting DOS challenge in LACTF</description></item><item><title>Relocation Table In PE</title><link>https://ryouthecat.github.io/posts/misc/relocationtableinpe/</link><pubDate>Sun, 28 Dec 2025 00:00:00 +0000</pubDate><guid>https://ryouthecat.github.io/posts/misc/relocationtableinpe/</guid><description>Explain about relocation table in PE file type</description></item><item><title>Export Table In PE</title><link>https://ryouthecat.github.io/posts/misc/exporttableinpe/</link><pubDate>Sat, 20 Dec 2025 00:00:00 +0000</pubDate><guid>https://ryouthecat.github.io/posts/misc/exporttableinpe/</guid><description>Explain about export table in PE file type</description></item><item><title>SIMD</title><link>https://ryouthecat.github.io/posts/misc/simd/</link><pubDate>Wed, 10 Sep 2025 00:00:00 +0000</pubDate><guid>https://ryouthecat.github.io/posts/misc/simd/</guid><description>SIMD for beginner</description></item></channel></rss>