YYogeshwar PeelaAug 23 · 6 min readBrunnerCTF 2026 : Magic or Not WriteupSummary The challenge provides four files (Brunner1.jpg, Brunner2.gif, Brunner3.png, Brunner4.bmp) that all report as generic data under file - none of them start with the magic bytes their extension exploitnotes.hashnode.dev
SShaikh ShafeenNov 24, 2024 · 2 min readffuuuuunnyyy!! | SteganographyProblem Statement Sometimes what you see doesn’t happen. Could you tell me what you see in this file? Flag Format: BUBT{something} ffuuunnnnyyyyy.png Prerequisites <not sure what to put here> Solution Since the file is not opening normally, I s...kurtnettle.hashnode.dev