While intitle:"evocam" inurl:"webcam.html" is a specific and effective dork, it represents a tiny fraction of exposed IoT devices. If you are interested in this topic for legitimate security research, understand the broader landscape:

: Searches for pages where "evocam" appears in the title, identifying the software used. inurl:webcam.html

Use a physical camera cover when the webcam is not in use to ensure privacy even if the software is compromised.