KQL Search

//Create a pivot table of all actions in Defender for Cloud Apps by your privileged users over the last 7 days
//Lookup the IdentityInfo table for any users holding a privileged role

//Data connector required for this query - M365 Defender - CloudAppEvents

//Microsoft Sentinel query
let privusers=
    IdentityInfo
    | where TimeGenerated > ago(21d)
    | summarize arg_max(TimeGenerated, *) by AccountUPN
    //Add any roles that you are interested in auditing
    | where AssignedRoles has_any ("Global Administrator", "Security Administrator", "SharePoint Administrator")
    | distinct AccountUPN;
CloudAppEvents
| where TimeGenerated > ago(7d)
| extend Operation = tostring(RawEventData.Operation)
| extend UserId = tostring(RawEventData.UserId)
| extend Workload = tostring(RawEventData.Workload)
//Create a new column that adds workload and operation together to make the events more readable
| extend Activity = strcat(Workload, " - ", Operation)
| where UserId in~ (privusers)
//Create pivot table of all actions by each user
| evaluate pivot(Activity, count(), UserId)

//Advanced hunting query

//Data connector required for this query - Advanced Hunting license

CloudAppEvents
| where Timestamp > ago(7d)
| extend Operation = tostring(RawEventData.Operation)
| extend UserId = tostring(RawEventData.UserId)
| extend Workload = tostring(RawEventData.Workload)
//Advanced hunting doesn't retain role information about users, but you can add a list of users in manually to create a table
| where UserId in~ ("[email protected]", "[email protected]")
//Create a new column that adds workload and operation together to make the events more readable
| extend Activity = strcat(Workload, " - ", Operation)
//Create pivot table of all actions by each user
| evaluate pivot(Activity, count(), UserId)