This concept sounded familiar, and it turns out that somebody else researched a similar technique a few years ago. https://cris.bgu.ac.il/en/publications/xled-

This concept sounded familiar, and it turns out that somebody else researched a similar technique a few years ago. https://cris.bgu.ac.il/en/publications/xled-covert-data-exfiltration-from-air-gapped-networks-via-switch-3 https://cris.bgu.ac.il/en/publications/xled-covert-data-exfi...