This string is exclusive to WebcamXP versions 4, 5, and 6. It is never found in generic webcams or other surveillance software. You will get a high signal-to-noise ratio.
# Install Shodan CLI if needed pip install shodan shodan search --limit 100 --fields ip_str,port --separator ":" "html:"WebcamXP 5" has_screenshot:true" webcamxp 5 shodan search fix
html:"<title>WebcamXP 5"