I have a file called q.php that has appeared in all my websites hosted in the same server. Does anyone know what the file does?
I noticed this when I got an email from incident@cert-in.org.in.
The email says:
Dear Sir...
Facing server down problem from last 3-4 days. No help/response from digitalocean.
I was using a server with 512 MB RAM. It was going down, if real time visitors are more. Upgraded the server to 1GB. Still facing the ...