splApache-2.0from splunk/security_content
Linux Auditd Osquery Service Stop
The following analytic detects suspicious stopping of the `osquery` service, which may indicate an attempt to disable monitoring and evade detection. `Osquery` is a powerful tool used for querying system information and detecting anomalies, and stopping its service can be a sign that an attacker is trying to disrupt security monitoring or hide malicious activities. By monitoring for unusual or unauthorized stops of the `osquery` service, this analytic helps identify potential efforts to bypass security controls, enabling security teams to investigate and respond to possible threats effectively.
Quality
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Rule sourcedetections/endpoint/linux_auditd_osquery_service_stop.yml
`linux_auditd` type=SERVICE_STOP unit IN ("osqueryd")
| rename host as dest
| stats count min(_time) as firstTime max(_time) as lastTime
BY type pid comm
exe unit dest
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`
| `linux_auditd_osquery_service_stop_filter`