Currently developing futuristic smart-device, IoT connected, highway construction site safety system in EU.
Used to work on infrastructure, application architecture and cloud engineering.
1) the FTP might not be his. It was pretty easy and common in the past to search for anonymous writeable FTP servers, FTP servers with leaked credentials (accidentally left in source code on github or elsewhere) and to misuse them as an attack vector.
2) the w;w;w might be an attempt to call a "w" command on linux which displays list of active users. Like here:
user@host:~# w
20:19:41 up 218 days, 13:22, 1 user, load average: 0.09, 0.08, 0.02
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
root pts/1 111.222.333.444- 20:18 5.00s 0.04s 14.70s mosh-server new -c 256 -s -l LANG=en_US.UTF-8 -l LC_CTYPE=UTF-8 -l LC_ALL=en_US.UTF-8
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1) the FTP might not be his. It was pretty easy and common in the past to search for anonymous writeable FTP servers, FTP servers with leaked credentials (accidentally left in source code on github or elsewhere) and to misuse them as an attack vector.
2) the w;w;w might be an attempt to call a "w" command on linux which displays list of active users. Like here:
user@host:~# w
20:19:41 up 218 days, 13:22, 1 user, load average: 0.09, 0.08, 0.02
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
root pts/1 111.222.333.444- 20:18 5.00s 0.04s 14.70s mosh-server new -c 256 -s -l LANG=en_US.UTF-8 -l LC_CTYPE=UTF-8 -l LC_ALL=en_US.UTF-8