SlackAudit - Multiple archived files uploaded in short period of time

Requête originale, sans modification.

let threshold = 10;
SlackAudit
| where DvcAction =~ 'file_uploaded'
| extend FE = tolower(tostring(split(EntityFileName, '.')[-1]))
| where FE in~ ('tar', 'bz2', 'gz', 'tgz', 'z', 'tbz2', 'zst', 'zip', 'zipx', '7z', 'rar', 'sfx')
| summarize UploadCount = count(), StartTime = min(TimeGenerated), EndTime = max(TimeGenerated) by SrcUserName, bucket = bin(TimeGenerated, 15m)
| where UploadCount > threshold
| extend AccountCustomEntity = SrcUserName