https://example.pages.dev shm (Shared Memory). Writeups, tips & tricks, dev notes, and things I learn. en https://example.pages.dev/posts/challenges-upCTF https://example.pages.dev/posts/challenges-upCTF Wed, 04 Mar 2026 00:00:00 GMT web challenges I created for upCTF, ip address quirk + tls exploitation https://example.pages.dev/posts/HAKKSHOP https://example.pages.dev/posts/HAKKSHOP Mon, 20 Oct 2025 00:00:00 GMT PHP web challenge, sqli, session de-sync https://example.pages.dev/posts/real-christmas https://example.pages.dev/posts/real-christmas Sun, 19 Oct 2025 00:00:00 GMT Writeup of two email injection + graphql challenges