https://hackropole.fr/en/stega/ Recent content in stega on Hackropole Hugo en Fri, 03 Apr 2026 00:00:00 +0000 https://hackropole.fr/en/challenges/misc/fcsc2026-misc-oscillart/ Mon, 13 Apr 2026 00:00:00 +0000 https://hackropole.fr/en/challenges/misc/fcsc2026-misc-oscillart/ <p>My physics teacher sent me this video, but it seems to be corrupted. Can you help me identify the <em>flag</em> shown?</p> <p><strong>Warning: the video is very loud!</strong></p> <p><strong>Note</strong>: this challenge was a part of the FCSC 2026 prechall.</p> https://hackropole.fr/en/challenges/forensics/fcsc2019-crypto-steg-crypto-diy-1/ Fri, 01 Dec 2023 00:00:00 +0000 https://hackropole.fr/en/challenges/forensics/fcsc2019-crypto-steg-crypto-diy-1/ <p>It seems that cryptographic parameters have been hidden in this file: find them!</p> <p><strong>Note:</strong> This challenge has been made for the finale of FCSC 2019.</p> <p>This challenge has been split into three parts:</p> <ul> <li><a href="https://hackropole.fr/en/challenges/forensics/fcsc2019-crypto-steg-crypto-diy-1/">StegCryptoDIY - PNG</a>.</li> <li><a href="https://hackropole.fr/en/challenges/crypto/fcsc2019-crypto-steg-crypto-diy-2/">StegCryptoDIY - RNG</a>.</li> <li><a href="https://hackropole.fr/en/challenges/crypto/fcsc2019-crypto-steg-crypto-diy-2/">StegCryptoDIY - Final Boss</a>.</li> </ul>