The search query inurl:viewerframe?mode=motion is a famous "Google dork" used to find unsecured, public-facing network cameras (often Axis brand) that allow anyone to view live feeds and control pan-tilt-zoom (PTZ) functions.
The inclusion of upd narrows the search specifically to streams that are using legacy UDP transmission. Unlike TCP, UDP does not require a handshake or continuous authentication. Once you connect to a UDP stream, the camera will keep sending packets until you close the connection—often ignoring subsequent authentication checks. inurl+viewerframe+mode+motion+upd
ip_range = "192.168.1." ports = [80, 8080, 8000, 554] # Common camera ports The search query inurl:viewerframe
Short for "update," referring to the refresh rate of the video stream. The Technology Behind the Vulnerability Once you connect to a UDP stream, the
Hackers use these unsecured devices to build "botnets" (like the infamous Mirai botnet) to launch massive DDoS attacks.
Never leave the username as "admin" and the password blank or as "1234."
Tells the search engine to look for specific text within the URL.