Run binwalk and strings for deeper insight:
$ pngcheck -v QfUhZZXf Output (truncated for brevity): https- ranoz.gg file QfUhZZXf
| Path | Status | Size | Comments | |--------------------------|--------|------|----------| | / | 200 | 3 kB | Landing page – simple “Welcome to Ranoz”. | | /download.php | 200 | 2 kB | Likely the entry point for file retrieval. | | /static/ | 200 | 1 kB | Holds images, CSS. | | /assets/ | 403 | — | Forbidden – may contain secrets. | | /robots.txt | 200 | 71 B | Contains: Disallow: /admin/ | Only the robots.txt line above. No sitemap. 3. Analyzing the Download Endpoint Visiting https://ranoz.gg/download.php gives a tiny HTML form: Run binwalk and strings for deeper insight: $
$ curl "https://ranoz.gg/download.php?file=download.php%3fsource" No luck. | | /assets/ | 403 | — | Forbidden – may contain secrets
$ exiftool -iTXt:secret QfUhZZXf > secret_compressed.bin $ file secret_compressed.bin secret_compressed.bin: zlib compressed data
$ 7z x secret_payload Result: secret.txt $ cat secret.txt Congratulations! You've found the hidden flag:
$ zcat secret_compressed.bin > secret_payload secret_payload is a ( .7z ).