/ructf-olymp-2018-stego-300

RUCTF Olymp Quals stego 300 write-up

Primary LanguageHTML

Missing reporting

  1. Grab your xlsx
  2. Unzip it
  3. Open xl/worksheets/sheet1.xml from unzipped folder
  4. Beatify it (optional if you want to suffer 😉)
  5. Visualise table inside using s parameter of cell (e.g. 1 - black, 2-5 - white)
  6. You got QR ✨

Provided script.py can unzip xlsx, parse xml and generate qr as html table.
./script.py example.xlsx

qr example