Thank you. A check of that server's ISPConfig3 installation did reveal a very weak password had been used, since it was a prototype set-up...
Can you provide any clues regarding the attack vector? We don't use cron jobs, for example, and would prefer even a clumsy way to plug the hole...
Server distro/version: Ubuntu 16.04.3 LTS (Xenial Xerus) ISPConfig3 version: v3.1.2 I discovered yesterday that an Azure VM server we set up a...
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