[voxadam]

This all reminds me of the CueCat[0] scanners I picked up for free from Radio Shack so many years ago.

[0] https://en.wikipedia.org/wiki/CueCat

[gregsadetsky]

Same! I also remember the CueCat's XOR-based ""encrypted"" output :-) Found an article from 2000 on this! https://www.securityfocus.com/news/89