>The TCP traffic also adjusts parameters such as window sizes to emulate different operating systems, keeping the activity stealthy and difficult to pinpoint.

>The Time to Live (TTL) values, which dictate how long a packet stays on the network before it's discarded, are set between 120 and 200 to resemble realistic network hops.

Sounds like someone testing something nefarious.

They published 2 of the packet captures from Wireshark on Github

https://github.com/GreyNoise-Intelligence/2024-09-noise-stor...