rootcheck¶

XML section name

<rootcheck>
</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 directory
Check 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>