Echoes Of Reality - 100pts

Something's wrong with this mirror, it's making strange sounds... can you figure out what it's saying? The md5sum of the flag is: F591C387E3BB9C04375C316F1B6A2548.

Solution]

To solve this challange I used sonic-visualizer and then apply spectogram layer to the wav file(right click > layer > add spectogram). The flag will be shown as seen below.

flag : flag{b3h1Nd_tH3_l0oK1nG_gl4s5}

Original writeup (https://github.com/ilhamhanifan/ctf_writeup/blob/main/b01lers2020-MISC.md).