EDIT: Maybe I confused you (of course I did, I wrote or instead of and...)
Here's a step by step:
mkdir /var/local/test
touch /var/local/test/test.bla
add config in rkhunter.conf
:
USER_FILEPROP_FILES_DIRS="/var/local/test/test.bla"
run rkhunter --propupd
run rkhunter --check [--sk]
(if you want to, should return no errors or warnings)
edit the file /var/local/test/test.bla
run rkhunter --check [--sk]
my output:
/bin/dash [ OK ]
/var/local/test/test.bla [ Warning ]
You can also use /var/local/test/*
as wildcard for all files in that directory.
It's a command line argument for --propupd
:
From the man page (emphasis mine)
--propupd [{filename | directory | package name},...] One of the checks rkhunter performs is to compare various current file properties
of various commands, against those it has previously stored. This
command option causes rkhunter to update its data file of stored
values with the current values. If the filename option is used, then
it must either be a full pathname, or a plain file name (for example,
'awk'). When used, then only the entry in the file properties database
for that file will be updated. If the directory option is used, then
only those files listed in the database that are in the given
directory will be updated. Similarly, if the package name option is
used, then only those files in the database which are part of the
specified package will be updated. The package name must be the base
part of the name, no version numbers should be included - for example,
'coreutils'. Package names will, of course, only be stored in the file
properties database if a package manager is being used. If a package
name is the same as a file name - for example, 'file' could refer to
the 'file' command or to the RPM 'file' package (which contains the
'file' command) - the package name will be used. If no specific option
is given, then the entire database is updated.
WARNING: It is the users responsibility to ensure that the files on
the system are genuine and from a reliable source. rkhunter can only
report if a file has changed, but not on what has caused the change.
Hence, if a file has changed, and the --propupd command option is
used, then rkhunter will assume that the file is genuine.
Or And, of course, change it in rkhunter.conf
:
#
# This option is a space-separated list of commands, directories and file
# pathnames which will be included in the file properties checks.
# This option can be specified more than once.
#
# Whenever this option is changed, 'rkhunter --propupd' must be run.
#
# Simple command names - for example, 'top' - and directory names are
# added to the internal list of directories to be searched for each of
# the command names in the command list. Additionally, full pathnames
# to files, which need not be commands, may be given. Any files or
# directories which are already part of the internal lists will be
# silently ignored from the configuration.
#
# Normal globbing wildcards are allowed, except for simple command names.
# For example, 'top*' cannot be given, but '/usr/bin/top*' is allowed.
#
# Specific files may be excluded by preceding their name with an
# exclamation mark (!). For example, '!/opt/top'. By combining this
# with wildcarding, whole directories can be excluded. For example,
# '/etc/* /etc/*/* !/etc/rc?.d/*'. This will look for files in the first
# two directory levels of '/etc'. However, anything in '/etc/rc0.d',
# '/etc/rc1.d', '/etc/rc2.d' and so on, will be excluded.
#
# NOTE: Only files and directories which have been added by the user,
# and are not part of the internal lists, can be excluded. So, for
# example, it is not possible to exclude the 'ps' command by using
# '!/bin/ps'. These will be silently ignored from the configuration.
#
#USER_FILEPROP_FILES_DIRS="top /usr/local/sbin !/opt/ps*"
#USER_FILEPROP_FILES_DIRS="/etc/rkhunter.conf"
#USER_FILEPROP_FILES_DIRS="/etc/rkhunter.conf.local"
#USER_FILEPROP_FILES_DIRS="/var/lib/rkhunter/db/*"
#USER_FILEPROP_FILES_DIRS="!/var/lib/rkhunter/db/mirrors.dat"
#USER_FILEPROP_FILES_DIRS="!/var/lib/rkhunter/db/rkhunter*"
#USER_FILEPROP_FILES_DIRS="/var/lib/rkhunter/db/i18n/*"
This should add it to the rkhunter db.