MSMolly Sohaneyinmollysohaney.hashnode.dev·5d ago · 3 min readCTF Writeup: Bundle 99 | Forensics | BroncoCTF 2026Description Yoshie found this random file laying around. Do you have any idea what this "bundle" is? Apparently someone told him it's the 99th bundle of brushes? What is that supposed to mean... P.S.00
MSMolly Sohaneyinmollysohaney.hashnode.dev·6d ago · 4 min readCTF Writeup: Spot the Difference | Forensics | Misc | BroncoCTF 2026Description My friend said that she updated file1 to send me a top-secret message, but I don't get it. File2 is still just a bunch of random characters? We're given: file2.txt, file1.txt Overview T00
YPYogeshwar Peelainexploitnotes.hashnode.dev·Jul 12 · 4 min readBroncoCTF : Spot the difference WriteupChallenge We're given two files, file1.txt and file2.txt, each containing what looks like a long, random blob of letters, digits, and symbols — one character per line. At a glance the two files look i00
YPYogeshwar Peelainexploitnotes.hashnode.dev·Jul 12 · 7 min readBroncoCTF : Atomic Substitution Theory WriteupChallenge We're given secret.txt, a single line of comma-separated tuples wrapped in what looks like braces and underscores: (4, 17), (2, 16), (2, 15), (4, 9), { , (3, 2, 1), (5, 3), _ , (2, 17), ... 11A
YPYogeshwar Peelainexploitnotes.hashnode.dev·Jul 12 · 2 min readBronoCTF : No Laughing MatterChallenge A single file, aha.txt, containing nothing but space-separated 8-letter "words" made up of only two characters: A and H. $ cat aha.txt AHHAAAHA AHHHAAHA AHHAHHHH AHHAHHHA AHHAAAHH AHHAHHHH A11J
MSMolly Sohaneyinmollysohaney.hashnode.dev·6d ago · 5 min readCTF Writeup: Magic Ways | Forensics | BroncoCTF 2026Description I rubbed this lamp and out came challenge.png. But, I can't open it for some reason. Help me out and maybe I'll grant you a wish (flag). We're given: challenge.png Overview This challeng00
YPYogeshwar Peelainexploitnotes.hashnode.dev·Jul 12 · 4 min readBronoCTF : LEts a GO WriteupCategory: Forensics / Misc Difficulty: Easy Flag: bronco{3ve4yth1ng_1s_aw3s0me} Challenge We're given lego_bricks_challenge.zip, a 63 KB archive. $ zipinfo lego_bricks_challenge.zip Archive: lego_bri00
YPYogeshwar Peelainexploitnotes.hashnode.dev·Jul 12 · 5 min readBroncoCTF : Bundle WriteupSummary A .kra-adjacent artifact named Bundle_99 is handed off for analysis. It turns out to be a Krita resource bundle (.bundle) — a plain ZIP archive containing a brush preset (Brush 99.kpp). The .k00
YPYogeshwar Peelainexploitnotes.hashnode.dev·Jul 12 · 6 min readBroncoCTF : Magic Ways WriteupExecutive Summary challenge.png was a PNG file that had been deliberately mangled at the byte level so that neither the OS, exiftool, nor pngcheck would recognize it as a valid image. The fix required00
JJJeji Jamesinjeji-james.hashnode.dev·Jun 27 · 9 min readDigital Forensic Investigation Using Windows Security Event LogsIntroduction In cybersecurity, knowing how to investigate a compromised system is just as important as knowing how to defend one. Digital forensics is the process of collecting, preserving, and analys00
