process where host.os.type == "linux" and event.type == "start" and event.action in ("exec", "exec_event", "start") and
process.name == "openssl" and (
(process.args == "s_client" and process.args : ("-connect", "*:*") and not process.args == "-showcerts") or
(process.args == "s_server" and process.args == "-port")
) and
not process.parent.executable in (
"/pro/xymon/client/ext/awsXymonCheck.sh", "/opt/antidot-svc/nrpe/plugins/check_cert", "/etc/zabbix/scripts/check_dane_tlsa.sh"
)
Install detection rules in Elastic Security
Detect Openssl Client or Server Activity in the Elastic Security detection engine by installing this rule into your Elastic Stack.
To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).