Access to a share provides a Nim binary, where some dynamic analysis provides yet another set of creds. Player involved a lot of recon, and pulling together pieces to go down multiple different paths to user and root. A common culprit is having infinite viewing range enabled. Kotarak was an old box that I had a really fun time replaying for a writeup. Mods like default and wool are usually part of Minetest Game and are not meant to be installed as seperate mods.
nest...