Threat Level: green Handler on Duty: Guy Bruneau

SANS ISC: Port 5431 (tcp/udp) Attack Activity - Internet Security | DShield Port 5431 (tcp/udp) Attack Activity

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Port Information
Protocol Service Name
tcp park-agent PARK AGENT
udp park-agnet PARK AGENT
[get complete service list]
Port diary mentions
Exposed UPNP Devices
User Comments
Submitted By Date
2018-03-28 16:36:38
Have been observing this for about 45 days now (since 02/08/2018). Traffic is very bursty -- scanning occurs for just an hour or two and stops, then repeats every 3-4 days or so. I have also noticed an (oddly) fixed source port of port 6/tcp on the scan packets. Not sure of the intent -- perhaps looking for Broadcom UPnP? But curious that the scanning starts and stops so abruptly from 10's of thousands of source IPs. Feels botnet-like, but no evidence to support that.
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CVE Links
CVE # Description