<rss xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title>All Posts - Koyphshi</title><link>https://koyphshii.github.io/posts/</link><description>All Posts | Koyphshi</description><generator>Hugo -- gohugo.io</generator><language>en</language><lastBuildDate>Wed, 07 Jan 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://koyphshii.github.io/posts/" rel="self" type="application/rss+xml"/><item><title>Ethernaut</title><link>https://koyphshii.github.io/posts/ethernaut/</link><pubDate>Wed, 07 Jan 2026 00:00:00 +0000</pubDate><guid>https://koyphshii.github.io/posts/ethernaut/</guid><description>Collection of Ethernaut challenge writeups</description></item><item><title>Only-invited party</title><link>https://koyphshii.github.io/posts/indit/</link><pubDate>Wed, 24 Dec 2025 00:00:00 +0000</pubDate><guid>https://koyphshii.github.io/posts/indit/</guid><description>Exploiting unchecked ecrecover return values and dirty memory in inline assembly to bypass signature verification and steal golden tickets.</description></item><item><title>Geni</title><link>https://koyphshii.github.io/posts/geni/</link><pubDate>Mon, 22 Dec 2025 00:00:00 +0000</pubDate><guid>https://koyphshii.github.io/posts/geni/</guid><description>Exploiting a CSI-FiSh variant by tracking torsion points through a sequence of leaked generator images.</description></item><item><title>Vrai Sahl</title><link>https://koyphshii.github.io/posts/ingeneer/</link><pubDate>Mon, 26 May 2025 00:00:00 +0000</pubDate><guid>https://koyphshii.github.io/posts/ingeneer/</guid><description>&lt;p>Breaking a hybrid RSA-ECC cryptosystem through weak prime generation.&lt;/p></description></item><item><title>XORSA</title><link>https://koyphshii.github.io/posts/umass/</link><pubDate>Mon, 21 Apr 2025 00:00:00 +0000</pubDate><guid>https://koyphshii.github.io/posts/umass/</guid><description>Exploiting RSA with leaked XOR bits</description></item><item><title>TDS</title><link>https://koyphshii.github.io/posts/black-hat/</link><pubDate>Thu, 16 Jan 2025 00:00:00 +0000</pubDate><guid>https://koyphshii.github.io/posts/black-hat/</guid><description></description></item></channel></rss>