DIVER OSINT CTF 2026 "nui" Writeup
Table of Contents
This article was automatically translated from Japanese by AI.
Challenge
Solution
The challenge image itself had no EXIF metadata, so I performed a reverse image search and found a similar photo in a NASA article.
Checking the published image’s EXIF metadata revealed that it was taken on January 28, 2026, with a Galaxy S23 Ultra.
Flag
Diver26{20260128_Galaxy S23 Ultra}