text code block:FROM logs-aws.cloudtrail-* | WHERE event.provider == "bedrock.amazonaws.com" AND event.action IN ( "InvokeModel", "Converse", "ConverseStream", "InvokeModelWithResponseStream" ) AND event.outcome == "success" AND aws.cloudtrail.user_identity.arn IS NOT NULL AND aws.cloudtrail.request_parameters IS NOT NULL | GROK aws.cloudtrail.request_parameters """modelId=(?<Esql.model_id>[^,}\]]+)""" | WHERE Esql.model_id IS NOT NULL | STATS Esql.inference_call_count = COUNT(*), Esql.timestamp_min = MIN(@timestamp), Esql.timestamp_max = MAX(@timestamp), Esql.event_ingested_min = MIN(event.ingested), Esql.event_ingested_max = MAX(event.ingested), Esql.event_action_values = VALUES(event.action), Esql.source_ip_values = VALUES(source.ip), Esql.source_as_organization_name_values = VALUES(source.as.organization.name), Esql.source_geo_country_iso_code_values = VALUES(source.geo.country_iso_code), Esql.source_geo_city_name_values = VALUES(source.geo.city_name), Esql.user_name_values = VALUES(user.name), Esql.user_agent_original_values = VALUES(user_agent.original), Esql.aws_cloudtrail_user_identity_type_values = VALUES(aws.cloudtrail.user_identity.type), Esql.aws_cloudtrail_user_identity_access_key_id_values = VALUES(aws.cloudtrail.user_identity.access_key_id), Esql.session_issuer_arn_values = VALUES(aws.cloudtrail.user_identity.session_context.session_issuer.arn), Esql.cloud_region_values = VALUES(cloud.region), Esql.data_stream_namespace_values = VALUES(data_stream.namespace) BY aws.cloudtrail.user_identity.arn, cloud.account.id, Esql.model_id | WHERE Esql.inference_call_count >= 500 | KEEP aws.cloudtrail.user_identity.arn, cloud.account.id, Esql.* | sort Esql.inference_call_count desc
Install detection rules in Elastic Security
Detect AWS Bedrock High-Frequency Single-Model Inference API Probing 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).