Fc2-ppv-1864525

flagFC2_PPV_1864525_fake

The task is to . Typical vectors for “FC2” challenges are: fc2-ppv-1864525

curl -s https://adult.contents.fc2.com/video/1864525/ > page.html flagFC2_PPV_1864525_fake The task is to

The spectrogram shows a faint pattern resembling near 10 s. and extract the hidden flag)

Now we have:

The dump shows plain ASCII:

(A typical “FC2 video” CTF challenge – download, unpack, and extract the hidden flag)