Kaleidoscape is a CTF team. This blog holds our writeups: how we approached each challenge, what worked, and what we got wrong.https://kds.rvexrie.xyz/https://kds.rvexrie.xyz/events/cyber-apocalypse-ctf-2026-the-salt-crown/https://kds.rvexrie.xyz/events/cyber-apocalypse-ctf-2026-the-salt-crown/When High King Maelor tried to steal the realm's oldest vow, white fire scoured him from existence. The Brine Signet—the sovereign artifact that made royal decrees absolute—shattered into wandering fragments. Trust has collapsed, and Valyssar is bleeding.Fri, 24 Jul 2026 00:00:00 GMTEventJeopardyhttps://kds.rvexrie.xyz/writeups/passcode/https://kds.rvexrie.xyz/writeups/passcode/Passcode is a beginner-level binary exploitation challenge that focuses on exploiting the C standard input function and manipulating dynamic tables in 32-bit ELF binary files.Fri, 17 Jul 2026 00:00:00 GMTPWNRadare2GOT OverwriteStack Buffer Overflowhttps://kds.rvexrie.xyz/events/omnictf-2026-quals/https://kds.rvexrie.xyz/events/omnictf-2026-quals/OmniCTF QualsFri, 17 Jul 2026 00:00:00 GMTEventJeopardyhttps://kds.rvexrie.xyz/writeups/forensicsgit0/https://kds.rvexrie.xyz/writeups/forensicsgit0/Can you find the flag in this disk image?Thu, 16 Jul 2026 00:00:00 GMTForensicsSleuthKitGithttps://kds.rvexrie.xyz/writeups/forensicsgit2/https://kds.rvexrie.xyz/writeups/forensicsgit2/The agents interrupted the perpetrator's disk deletion routine. Can you recover this git repo?Thu, 16 Jul 2026 00:00:00 GMTForensicsSleuthKitGitLogshttps://kds.rvexrie.xyz/events/broncoctf-2026/https://kds.rvexrie.xyz/events/broncoctf-2026/BroncoCTF is an international CTF competition hosted by BroncoSec. It ran in-person conjunction with Hack for Humanity, Santa Clara University's social good hackathon.Sat, 11 Jul 2026 00:00:00 GMTEventJeopardyhttps://kds.rvexrie.xyz/writeups/deardiary/https://kds.rvexrie.xyz/writeups/deardiary/A digital forensics challenge focused on hidden artifacts, espescially inode journalThu, 02 Jul 2026 00:00:00 GMTForensicsSleuthKitDisk ImageInode Logging