Syscheck frequency is configurable by the user with frequency. By default is configured to run every 6 hours.
Syscheck scans are designed to run slowly to avoid too much CPU or memory use.
All the checksums are stored on the manager
Yes, this is posible with the
report_changes option. For
directories only. This option gives us the exact content that has been changed in a text file. Be selective about which folders you use
report_changes on, because this requires syscheck to copy every single file you want to monitor with
report_changes to a private location for comparison purposes.
Example: report changes
Wazuh manager stores and looks for modifications to all the checksums and file attributes received from the agents for the monitored files. Wazuh manager compares the new checksums/attributes against the stored ones. An alert is generated if anything changes.
Yes. By default Wazuh monitors
/sbin on Unix-like systems and
C:\Windows\System32 on Windows.
- Yes, you can force an agent to perform a system integrity check with ::
/var/ossec/bin/agent_control -r -a /var/ossec/bin/agent_control -r -u <agent_id>
More info at Ossec control section
By default syscheck scan when Wazuh start, but you can change this with the scan_on_start option
Yes, but you need to configure it. Use the alert_new_files option