CommonSecurityLog 表的查询

Palo Alto 收集器机器使用情况

此查询根据从 Palo Alto 设备接收的事件量显示所有收集器计算机主机名的降序列表。

CommonSecurityLog
// Quering on the past 7 days
| where TimeGenerated > ago(7d)
// Quering only on incoming events from a Palo Alto appliance
| where DeviceProduct has 'PAN-OS'
| where DeviceVendor =~ 'Palo Alto Networks'
// Find the the collector machine with the highest usage
| summarize Count=count() by Computer
// Sort in a descending order- Most used Collector hostname comes first
| sort by Count desc

Cisco ASA 事件类型用法

此查询显示为每个 DeviceEventClassID 引入的事件量的降序列表

CommonSecurityLog 
// Quering on the past 7 days
| where TimeGenerated > ago(7d)
// Only filter on Cisco ASA events
| where DeviceVendor == "Cisco" and DeviceProduct == "ASA"
// group events by their DeviceEventClassID value, which represents the Cisco message id
| summarize count_events=count() by DeviceEventClassID
// Sort in a descending order- most used DeviceEventClassID comes first
| sort by count_events desc

设备事件卷统计信息

发送大多数事件的设备。

CommonSecurityLog
| top-nested 15 of DeviceVendor by Vendor=count(),
  top-nested 5 of DeviceProduct by Product=count(),
  top-nested 5 of DeviceVersion by Version=count()