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Check rkhunter warnings For Deleted Files

logfile- /var/log/rkhunter.log starts
[partial starts]
[19:18:58] Info: Starting test name 'malware'
[19:18:58] Performing malware checks
[19:18:58]
[19:18:58] Info: Starting test name 'deleted_files'
[19:19:35]   Checking running processes for deleted files    [ Warning ]
[19:19:35] Warning: The following processes are using deleted files:
[19:19:35]          Process: /usr/bin/pulseaudio    PID: 784    File: /memfd:pulseaudio
[19:19:35]          Process: /usr/bin/gnome-shell    PID: 1151    File: /tmp/mutter-shared-67ER4Y
[19:19:35]          Process: /usr/bin/pulseaudio    PID: 1173    File: /memfd:pulseaudio
[19:19:35]          Process: /usr/lib/evolution-data-server/evolution-source-registry    PID: 1194    File: /home/donato/.local/share/gvfs-metadata/home
[19:19:35]          Process: /usr/bin/python2.7    PID: 1472    File: /tmp/vteZY4V4Y
[19:19:35]          Process: /usr/bin/megasync    PID: 1484    File: /run/user/1000/wayland-cursor-shared-t6KVCM
[19:19:35]          Process: /usr/lib/tracker/tracker-extract    PID: 1491    File: /home/donato/.local/share/gvfs-metadata/root
[19:19:35]          Process: /usr/lib/evolution/evolution-alarm-notify    PID: 1492    File: /run/user/1000/wayland-cursor-shared-3IXo1U
[19:19:35]          Process: /usr/bin/gnome-software    PID: 1499    File: /run/user/1000/wayland-cursor-shared-VWIXlt
[19:19:35]          Process: /usr/lib/libreoffice/program/soffice.bin    PID: 1538    File: /run/user/1000/wayland-cursor-shared-RA1mRd
[19:19:36]          Process: /usr/lib/firefox/firefox    PID: 17646    File: /dev/shm/org.chromium.woa2Ti
[19:19:36]          Process: /usr/bin/python3.6    PID: 17747    File: /dev/shm/org.chromium.OO0nrj
[19:19:36]          Process: /usr/bin/evolution    PID: 20854    File: /run/user/1000/wayland-cursor-shared-2ZlQUk
[19:19:36]          Process: /usr/lib/webkit2gtk-4.0/WebKitWebProcess    PID: 20894    File: /run/user/1000/wayland-cursor-shared-9nUAnZ
[19:19:36]          Process: /usr/lib/firefox/firefox    PID: 25985    File: /dev/shm/org.chromium.O45DxH
[19:19:36]          Process: /usr/bin/rhythmbox    PID: 30033    File: /run/user/1000/wayland-cursor-shared-DitbCG
[partial ends]
logfile-/var/log/rkhunter.log ends


I enabled ALLTEST in /etc/rkhunter.conf and put a # on the DISABLETEST list. I feel comfortable now that I have a handle on what I'm running on my system. I ran rkhunter and as I expected it gave me these warnings. All these processes are recognized and valid applications and presumably they are deleting these respective files because they don't need it anymore. There's nothing to see here. These aren't the droids I'm looking for.

I have to whitelist these processes. The basic syntax for that job is : ALLOWPROCDELFILE=/path/to/process. You can specify the specific file with : ALLOWPROCDELFILE=/path/to/process:/path/to/filename.xxx.

For example: [19:19:35]          Process: /usr/bin/pulseaudio    PID: 784    File: /memfd:pulseaudio
append to /etc/rkhunter.conf
ALLOWPROCDELFILE=/usr/bin/pulseaudio

Another example: [19:19:35]          Process: /usr/bin/gnome-shell    PID: 1151    File: /tmp/mutter-shared-67ER4Y
append to /etc/rkhunter.conf
ALLOWPROCDELFILE=/usr/bin/gnome-shell:/tmp/mutter-shared-67ER4Y

You can also use * to represent any character.
Anytime you make changes to /etc/rkhunter.conf don't forget to run the command : #rkhunter -C #to check the config file


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