/* the benefit of doing this as an eql sequence vs kql is this will limit to alerting only on the first network connection */
sequence by process.entity_id
[process where host.os.type == "windows" and event.type == "start" and process.name : "installutil.exe"]
[network where host.os.type == "windows" and process.name : "installutil.exe" and network.direction : ("outgoing", "egress")]
Install detection rules in Elastic Security
Detect InstallUtil Process Making Network Connections 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).