[RCU] phpunit and miner?

[Jonathan Nichols]

pile : Aug 29 15:47:11 : www-data : user NOT in sudoers ; TTY=unknown ; PWD=/var/www/html/roundcube/vendor/phpunit/phpunit/src/Util/PHP ; USER=root ; COMMAND=/sbin/sysctl kernel.nmi_watchdog=0

I got hit with this. :-( 

Was this something patched in 1.4? Or something else?

I am in the process of backing up and rebuilding the server, bu I want to avoid this.

Seems like it happened shortly after I switched from apache2 to nginx.