Credential Access (TA0006)(external, opens in a new tab or window)
endpoint(external, opens in a new tab or window)
windows(external, opens in a new tab or window)
system(external, opens in a new tab or window)
crowdstrike(external, opens in a new tab or window)
sentinel_one_cloud_funnel(external, opens in a new tab or window)
text code block:from logs-endpoint.events.process-*, logs-windows.sysmon_operational-*, logs-system.security-*, logs-windows.*, winlogbeat-*, logs-crowdstrike.fdr*, logs-sentinel_one_cloud_funnel.*, logs-m365_defender.event-* metadata _id, _version, _index | where KQL(""" event.category : "process" and event.type : "start" and host.os.type : "windows" """) and to_lower(process.name) == "browsercore.exe" and process.parent.name is not null and process.command_line is not null and not to_lower(process.command_line) like "*chrome-extension://*" | keep @timestamp, _id, _version, _index, data_stream.namespace, host.id, host.name, user.name, user.id, process.entity_id, process.name, process.executable, process.command_line, process.pe.original_file_name, process.parent.name, process.parent.executable, process.parent.command_line
Install detection rules in Elastic Security
Detect Potential Entra ID PRT Extraction via BrowserCore 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(external, opens in a new tab or window).