Masscan-style high-rate SYN sweep targeting Dahua TCP/37777

Ibrahim Saud@tektrix

•updated 25 days ago•0•0•8

Detects high-frequency TCP SYN scanning activity originating from external networks targeting port 37777, commonly associated with the Dahua DVR P2P discovery service. This behavior is indicative of automated reconnaissance and scanning campaigns searching for vulnerable IoT devices.