MetaRed CTF 2021: Stego – Noise / Writeup

Ulli Weichert/ November 18, 2021/ IT-Security, Write-Ups/ 0Kommentare

Noise Messi: ‚When the year starts, the objective is to win with all the team, personal records are secondary‘ Todos Given was this picture: In this stego challenges the first approach is to check the file type and look for some strings. $ ~ # file challenge.png challenge.png: PNG image data, 926 x 1262, 8-bit grayscale, non-interlaced That looks normal…

Weiterlesen

MetaRed CTF 2021: Stego – Friends / Writeup

Ulli Weichert/ November 18, 2021/ IT-Security, Write-Ups/ 0Kommentare

Friends Bielsa: ‚Everything is allowed, except stop fighting‘ Given was this image: Todos Like always – I check strings and exiftools and the file itself! But no command give us something. $ ~ # file messi.jpg messi.jpg: JPEG image data, JFIF standard 1.01, aspect ratio, density 1×1, segment length 16, baseline, precision 8, 720×628, components 3 exiftool messi.jpg > messi.jpg_exifdata

Weiterlesen