Jacker

What appear to be balls of light roughly the size of a standard Blaseball are actually a type of drone with its particles shifted slightly out of phase from the rest of reality. The effect being they can enter various technology and "haunt" it, gaining rudementary control of it.

Rumors about origins

They are theorized to have been created as a sort of cataloging system, meant to find tech, interface with it, record what it finds and return to base. However, it is possible centuries have passed since they were deployed, and given the various states and Amounts of the onboard intelligence of captured units, it is possible that their original programming is long gone, replaced with bits and pieces of data from whatever it has haunted.