On Tuesday, 20 August 2019, 10:15:58 CEST you wrote: > Am 20.08.19 um 10:00 schrieb Filipe Laíns via arch-general: > > On Tue, 2019-08-20 at 08:33 +0200, Oliver Jaksch via arch-general wrote: > >> I let rkhunter running around once a week. There were nothing since many > >> months. But today it's report complains about */lib64/libkeyutils.so.1.9* > >> and therefore other tools they're (seems to be) using this SO. > > ... > > > No, those libraries are used for key manipulation, that's why rkhunter > > thinks that they might be sniffer. > > In this particular case the filename was apparently used by a rootkit in > 2013 and it was blacklisted. Now the legitimate owner of the > libkeyutils filenames has reached the blacklisted version number. I > don't know which of the two possibilities it is in your case. > > https://bugs.archlinux.org/task/63369 > https://www.webhostingtalk.com/showthread.php?t=1235797 Thanks to all. I think the URLs Filipe has posted are the most expressive part. Let's hope that this really is a false alarm coming from the past. - Oliver