Thanks for your message Christoph.
I am adding Francois in Cc.
I suggested (as sponsor) to Giovani to move the unhide.rb from
/usr/bin to /usr/sbin, because to get a full reply from the OS, you
need some privileges. Other fact is the upstream manpage is level 8,
signaling this situation. Also,
Package: rkhunter
Version: 1.4.2-4
Severity: normal
Hi.
Apparently unhide.rb moved from /usr/bin to /usr/sbin, even though
its changelog doesn't tell this (CCing Giovani therefore, so he
can tell whether this is permanent or just by accident).
Therefore rkhunter's previous SCRIPTWHITELIST