Maya realized that was not a random string at all; it was the external server that the compromised drones were silently reporting to after the firmware update. The C2 traffic she had observed was the drones sending telemetry—location, battery status, and more—to an unknown party.
Given the structure of the keyword, here are a few possible interpretations: xnxn 89com
I notice that "xnxn 89com" looks like a possible typo or garbled text — it doesn’t clearly refer to a known title, phrase, or request. Maya realized that was not a random string
She opened a sandbox and launched a controlled request to the domain. The response was a single line of base‑64 data: xnxn 89com