$ python3 xor.py hidden.bin s3cr3t_k3y_4_f1ag payload.bin 🎉
Audio ID : 2 Format : AAC Channel(s) : 2 channels Sampling rate : 44.1 kHz Bit rate : 128 kb/s The Khatrimaza-org-mkv
# 1. List the tracks + attachments $ mkvmerge -i khatrimaza-org.mkv File 'khatrimaza-org.mkv': container: Matroska Track ID 0: video (V_MPEG4/ISO/AVC) Track ID 1: audio (A_AAC) Track ID 2: subtitles (S_TEXT/UTF8) $ python3 xor
2 00:00:03,001 --> 00:00:07,000 Enjoy the movie. Nothing hidden in the subtitles – just a generic welcome message. We quickly glance at them with ffprobe just to be sure there’s nothing weird: The Khatrimaza-org-mkv