sequence by process.entity_id with maxspan=1m
[process where host.os.type == "windows" and event.category == "process" and
process.name : "rundll32.exe"]
[process where host.os.type == "windows" and event.category == "process" and event.dataset : "windows.sysmon_operational" and event.code == "7" and
(file.pe.original_file_name : "COMSVCS.DLL" or file.pe.imphash : "EADBCCBB324829ACB5F2BBE87E5549A8") and
/* renamed COMSVCS */
not file.name : "COMSVCS.DLL"]
Install detection rules in Elastic Security
Detect Potential Credential Access via Renamed COM+ Services DLL 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).