Hi Hean, Mystery solved.
The template comes with Password Enabled in SSH server. And debian user has a default password: "password". Assigning the SSH key only added the key, without disabling any other thing. Regards, Rafael On Sun, 2020-11-22 03:38 PM, Hean Seng <heans...@gmail.com> wrote: > Hi > > You did not change the password, and all using the default password ? > > On Sun, Nov 22, 2020 at 4:59 PM " > target="_blank"><rva...@livelens.net.invalid> wrote: > > > ​Hi Community! > > > > Congratulations to the new committers. > > > > One VM in a test environment was infected by a brute force SSH trojan. > > > > The OS is debian-9 , the template from openvm.eu > > > > It had only SSH (22) and iperf (5001) services running and reachable from > > anywhere. > > > > I believe this article is related because of the tar file (dota3.tar.gz) > > that I found on the system: > > ​ > > > > https://ethicaldebuggers.com/outlaw-botnet-affects-more-than-20000-linux-servers/ > > ​ > > I have a snapshot of the ROOT volume in case anybody is interested to > > review it. > > > > I suspect they got in via SSH, but I wonder how as only one KEY was setup > > (no password). I am trying to find out more information. > > > > Has anybody experienced this ? > > > > Regards, > > Rafael > > > > > -- > Regards, > Hean Seng >
