LACTF 2026 on k1nt4r0u's sitehttps://blog.238796234.xyz/categories/lactf-2026/Recent content in LACTF 2026 on k1nt4r0u's siteHugo -- gohugo.ioenCopyright (c) k1nt4r0uSat, 07 Feb 2026 23:04:22 +0700Lactf 1986https://blog.238796234.xyz/writeups/lactf/lactf-1986/Sat, 07 Feb 2026 23:04:22 +0700https://blog.238796234.xyz/writeups/lactf/lactf-1986/<h2 class="relative group">First look <div id="first-look" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#first-look" aria-label="Anchor">#</a> </span> </h2> <p>This one came with a very on-theme setup: a tiny <code>CHALL.EXE</code> DOS program and a floppy image containing the same executable. A quick <code>strings</code> pass already told me it was a flag checker:</p>The Cathttps://blog.238796234.xyz/writeups/lactf/the-cat/Sat, 07 Feb 2026 22:19:42 +0700https://blog.238796234.xyz/writeups/lactf/the-cat/<h2 class="relative group">Status <div id="status" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#status" aria-label="Anchor">#</a> </span> </h2> <p>This page was originally just a template, and I do not have enough real solve artifacts in the repo to turn it into a proper writeup without inventing details.</p>The Fishhttps://blog.238796234.xyz/writeups/lactf/the-fish/Sat, 07 Feb 2026 16:34:23 +0700https://blog.238796234.xyz/writeups/lactf/the-fish/<h2 class="relative group">Setup <div id="setup" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#setup" aria-label="Anchor">#</a> </span> </h2> <p>The challenge came with a Python-based <code>&gt;&lt;&gt;</code> (Fish) interpreter and a one-line Fish program that checked the input against one huge constant.</p>