NANOG group, at a client site who was complaining of having their Active Directory passwords changed every week\. Found a PPTP which had been put in place by a ex employee\. Fixed that\.
I have no idea what a master\-get servers is\.
If anyone can ping me\-off\-list to educate me a bit more, please do\.
Sincerely, RichardI think at the point you found a back door ... err, delete and re-install
from known good media.
https://nmap.org/nsedoc/scripts/quake3-master-getservers.html
I'd nuke the entire environment from orbit, no telling what other nasty surprises they left for you