Persistence (TA0003)(external, opens in a new tab or window)
Initial Access (TA0001)(external, opens in a new tab or window)
Credential Access (TA0006)(external, opens in a new tab or window)
text code block:from logs-google_workspace.device-* | where event.dataset == "google_workspace.device" and event.action == "DEVICE_REGISTER_UNREGISTER_EVENT" and google_workspace.device.account_state == "REGISTERED" and user.email is not null and google_workspace.device.id is not null | eval Esql.bucket_minute = date_trunc(1 minute, @timestamp) | stats Esql.count_distinct_device_id = count_distinct(google_workspace.device.id), Esql.device_id_values = values(google_workspace.device.id), Esql.device_resource_id_values = values(google_workspace.device.resource.id), Esql.device_type_values = values(google_workspace.device.type), Esql.device_model_values = values(google_workspace.device.model), Esql.device_account_state_values = values(google_workspace.device.account_state), Esql.host_os_version_values = values(host.os.version), Esql.event_provider_values = values(event.provider), Esql.event_id_values = values(event.id), Esql.google_workspace_actor_type_values = values(google_workspace.actor.type), Esql.google_workspace_event_type_values = values(google_workspace.event.type), Esql.organization_id_values = values(organization.id), Esql.user_domain_values = values(user.domain), Esql.timestamp_first_seen = min(@timestamp), Esql.timestamp_last_seen = max(@timestamp), Esql.event_count = count(*) by user.id, user.email, user.name, Esql.bucket_minute | where Esql.count_distinct_device_id >= 3 | keep user.id, user.email, user.name, Esql.bucket_minute, Esql.timestamp_first_seen, Esql.timestamp_last_seen, Esql.count_distinct_device_id, Esql.event_count, Esql.device_id_values, Esql.device_resource_id_values, Esql.device_type_values, Esql.device_model_values, Esql.device_account_state_values, Esql.host_os_version_values, Esql.event_provider_values, Esql.event_id_values, Esql.google_workspace_actor_type_values, Esql.google_workspace_event_type_values, Esql.organization_id_values, Esql.user_domain_values
Install detection rules in Elastic Security
Detect Google Workspace Device Registration Burst for Single User 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).