Queries for the CommonSecurityLog table
Palo Alto collector machine usage
This query displays a descending list of all collector machines hostname according to the amount of events they are recieving from a Palo Alto appliance.
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 events type usage
This query displays a descending list of the amount of events ingested for each DeviceEventClassID
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
Device events volume statistics
Devices sending most events.
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()
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