Misc Challenge on CyberSecurity Elitehttps://cybersecurityelite.com/tags/misc-challenge/Recent content in Misc Challenge on CyberSecurity EliteCyberSecurity Elitehttps://cybersecurityelite.com/images/og-default.pnghttps://cybersecurityelite.com/images/og-default.pngHugoen-usMon, 08 Jun 2026 18:55:51 +0200GPN CTF 2026 — Organized: Ternary Amplitude-Modulated UART in Popcount Densityhttps://cybersecurityelite.com/ctf-writeups/gpn-ctf-2026-organized/Sun, 07 Jun 2026 19:45:00 +0000https://cybersecurityelite.com/ctf-writeups/gpn-ctf-2026-organized/GPN CTF 2026 Misc: 7.65 MB of apparent noise carries a ternary-amplitude UART signal. Per-12,500-byte window popcount density is the carrier; demodulate to 49 frames of ASCII.