rootcheck
Configuration options for policy monitoring and anomaly detection.
Options
base_directory
The base directory that will be prefixed to the following options:
Check rootkits
Check trojans
Scan the
/dev
directoryCheck the hidden files using system calls
Default value (UNIX) |
/ |
Default value (Windows) |
C:\ |
Allowed values |
Path to a directory |
ignore
List of files or directories to be ignored (one entry per line). Multiple lines may be entered to include multiple files or directories. These files and directories will be ignored during scans.
Allowed values |
sregex |
Valid for |
check_sys, check_dev, check_files |
Attributes:
type |
Simple regex expression to ignore files and directories. |
|
Allowed values |
sregex |
rootkit_files
Change the location of the rootkit files database.
Default value |
/var/ossec/etc/shared/rootkit_files.txt |
Allowed values |
A file with the rootkit files signatures |
rootkit_trojans
Change the location of the rootkit trojans database.
Default value |
/var/ossec/etc/shared/rootkit_trojans.txt |
Allowed values |
A file with the trojans signatures |
windows_audit
Specifies the path to a Windows audit definition file.
Default value |
n/a |
Allowed values |
Path to a Windows audit definition file |
system_audit
Specifies the path to an audit definition file for Unix-like systems.
Default value |
n/a |
Allowed values |
Audit definition file for Unix-like systems |
windows_apps
Specifies the path to a Windows application definition file.
Default value |
n/a |
Allowed values |
Path to a Windows application def. file |
windows_malware
Specifies the path to a Windows malware definitions file.
Default value |
n/a |
Allowed values |
Path to a Windows malware definitions file |
scanall
Tells rootcheck to scan the entire system. This option may lead to some false positives.
Default value |
no |
Allowed values |
yes, no |
readall
Allow Rootcheck read all system files and compare the bytes read with files size.
With readall
set to no, only these folders are checked: /bin
, /sbin
, /usr/bin
, /usr/sbin
, /dev
, /lib
, /etc
, /root
, /var/log
, /var/mail
, /var/lib
, /var/www
, /usr/lib
, /usr/include
, /tmp
, /boot
, /usr/local
, /var/tmp
and /sys
.
Default value |
no |
Allowed values |
yes, no |
frequency
Frequency that the rootcheck is going to be executed (in seconds).
Default value |
36000 |
Allowed values |
A positive number (seconds) |
disabled
Disables the execution of rootcheck.
Default value |
no |
Allowed values |
yes, no |
check_dev
Enable or disable the checking of /dev.
Default value |
yes |
Allowed values |
yes, no |
check_files
Enable or disable the checking of files.
Default value |
yes |
Allowed values |
yes, no |
check_if
Enable or disable the checking of network interfaces.
Default value |
yes |
Allowed values |
yes, no |
check_pids
Enable or disable the checking of process ID's.
Default value |
yes |
Allowed values |
yes, no |
check_ports
Enable or disable the checking of network ports.
Default value |
yes |
Allowed values |
yes, no |
check_sys
Enable or disable checking for anomalous file system objects.
Default value |
yes |
Allowed values |
yes, no |
check_trojans
Enable or disable checking for trojans.
Default value |
yes |
Allowed values |
yes, no |
check_unixaudit
Enable or disable the checking of unixaudit.
Default value |
yes |
Allowed values |
yes, no |
check_winapps
Enable or disable the checking of winapps.
Default value |
yes |
Allowed values |
yes, no |
check_winaudit
Enable or disable the checking of winaudit.
Default value |
yes |
Allowed values |
yes, no |
check_winmalware
Enable or disable checking for Windows malware.
Default value |
yes |
Allowed values |
yes, no |
skip_nfs
Enable or disable the scanning of network mounted filesystems (Works on Linux and FreeBSD). Currently, skip_nfs will exclude checking files on CIFS or NFS mounts.
Default value |
yes |
Allowed values |
yes, no |
Default Unix configuration
<!-- Policy monitoring -->
<rootcheck>
<disabled>no</disabled>
<check_unixaudit>yes</check_unixaudit>
<check_files>yes</check_files>
<check_trojans>yes</check_trojans>
<check_dev>yes</check_dev>
<check_sys>yes</check_sys>
<check_pids>yes</check_pids>
<check_ports>yes</check_ports>
<check_if>yes</check_if>
<ignore type="sregex">^/etc/</ignore>
<!-- Frequency that rootcheck is executed - every 12 hours -->
<frequency>43200</frequency>
<rootkit_files>/var/ossec/etc/shared/rootkit_files.txt</rootkit_files>
<rootkit_trojans>/var/ossec/etc/shared/rootkit_trojans.txt</rootkit_trojans>
<skip_nfs>yes</skip_nfs>
</rootcheck>