为警报日志创建和查询表 - Amazon Athena
示例查询

为警报日志创建和查询表

  1. 修改下面的 DDL 语句示例，使其符合警报日志的结构。您可能需要更新语句以包含最新版本日志的列。有关更多信息，请参阅《AWS Network Firewall 开发人员指南》中的防火墙日志的内容。

    CREATE EXTERNAL TABLE network_firewall_alert_logs (
  firewall_name string,
  availability_zone string,
  event_timestamp string,
  event struct<
    timestamp:string,
    flow_id:bigint,
    event_type:string,
    src_ip:string,
    src_port:int,
    dest_ip:string,
    dest_port:int,
    proto:string,
    app_proto:string,
    sni:string,
    tls_inspected:boolean,
    tls_error:struct<
      error_message:string>,
    revocation_check:struct<
      leaf_cert_fpr:string,
      status:string,
      action:string>,
    alert:struct<
      alert_id:string,
      alert_type:string,
      action:string,
      signature_id:int,
      rev:int,
      signature:string,
      category:string,
      severity:int,
      rule_name:string,
      alert_name:string,
      alert_severity:string,
      alert_description:string,
      file_name:string,
      file_hash:string,
      packet_capture:string,
      reference_links:array<string>
    >, 
    src_country:string, 
    dest_country:string, 
    src_hostname:string, 
    dest_hostname:string, 
    user_agent:string, 
    url:string
   >
)
 ROW FORMAT SERDE 'org.openx.data.jsonserde.JsonSerDe'
 LOCATION 's3://amzn-s3-demo-bucket/path_to_alert_logs_folder/';

  2. 修改 LOCATION 子句以指定您在 Amazon S3 中的日志文件夹。

  3. 在 Athena 查询编辑器中运行 CREATE TABLE 查询。查询完成后，Athena 将注册 network_firewall_alert_logs 表，使其指向的数据可以进行查询。

示例查询

本节中的示例警报日志查询会筛选执行了 TLS 检查且警报严重性级别为 2 或更高的事件。

查询使用别名来创建输出列标题，以显示列所属的 struct。例如，event.alert.category 字段的列标题是 event_alert_category，而不只是 category。若要进一步自定义列名，可以根据自己的喜好修改别名。例如，可以使用下划线或其他分隔符来分隔 struct 名称和字段名称。

请记得根据表定义和查询结果中所需的字段修改列名和 struct 引用。

SELECT 
  firewall_name,
  availability_zone,
  event_timestamp,
  event.timestamp AS event_timestamp,
  event.flow_id AS event_flow_id,
  event.event_type AS event_type,
  event.src_ip AS event_src_ip,
  event.src_port AS event_src_port,
  event.dest_ip AS event_dest_ip,
  event.dest_port AS event_dest_port,
  event.proto AS event_protol,
  event.app_proto AS event_app_proto,
  event.sni AS event_sni,
  event.tls_inspected AS event_tls_inspected,
  event.tls_error.error_message AS event_tls_error_message,
  event.revocation_check.leaf_cert-fpr AS event_revocation_leaf_cert,
  event.revocation_check.status AS event_revocation_check_status,
  event.revocation_check.action AS event_revocation_check_action,
  event.alert.alert_id AS event_alert_alert_id,
  event.alert.alert_type AS event_alert_alert_type,
  event.alert.action AS event_alert_action,
  event.alert.signature_id AS event_alert_signature_id,
  event.alert.rev AS event_alert_rev,
  event.alert.signature AS event_alert_signature,
  event.alert.category AS event_alert_category,
  event.alert.severity AS event_alert_severity,
  event.alert.rule_name AS event_alert_rule_name,
  event.alert.alert_name AS event_alert_alert_name,
  event.alert.alert_severity AS event_alert_alert_severity,
  event.alert.alert_description AS event_alert_alert_description,
  event.alert.file_name AS event_alert_file_name,
  event.alert.file_hash AS event_alert_file_hash,
  event.alert.packet_capture AS event_alert_packet_capture,
  event.alert.reference_links AS event_alert_reference_links,
  event.src_country AS event_src_country,
  event.dest_country AS event_dest_country,
  event.src_hostname AS event_src_hostname,
  event.dest_hostname AS event_dest_hostname,
  event.user_agent AS event_user_agent,
  event.url AS event_url
FROM 
  network_firewall_alert_logs 
WHERE 
  event.alert.severity >= 2
  AND event.tls_inspected = true 
LIMIT 10;