Snowflake - Possible discovery activity

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Id	09b8dfc7-87b0-4215-b34b-bab363d685cb
Rulename	Snowflake - Possible discovery activity
Description	Detects possible discovery activity.
Severity	Medium
Tactics	Discovery
Techniques	T1526
Required data connectors	Snowflake
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Snowflake/Analytic Rules/SnowflakeDiscoveryActivity.yaml
Version	1.0.2
Arm template	09b8dfc7-87b0-4215-b34b-bab363d685cb.json

KQL

let threshold = 20;
Snowflake
| where QueryType =~ 'SHOW'
| where QueryExecutionStatus =~ 'SUCCESS'
| summarize count() by TargetUsername, bin(TimeGenerated, 5m)
| where count_ > threshold
| extend AccountCustomEntity = TargetUsername

YAML

relevantTechniques:
- T1526
version: 1.0.2
severity: Medium
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Snowflake/Analytic Rules/SnowflakeDiscoveryActivity.yaml
name: Snowflake - Possible discovery activity
description: |
    'Detects possible discovery activity.'
queryFrequency: 1h
tactics:
- Discovery
triggerThreshold: 0
queryPeriod: 1h
id: 09b8dfc7-87b0-4215-b34b-bab363d685cb
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: AccountCustomEntity
  entityType: Account
requiredDataConnectors:
- connectorId: Snowflake
  dataTypes:
  - Snowflake
triggerOperator: gt
status: Available
query: |
  let threshold = 20;
  Snowflake
  | where QueryType =~ 'SHOW'
  | where QueryExecutionStatus =~ 'SUCCESS'
  | summarize count() by TargetUsername, bin(TimeGenerated, 5m)
  | where count_ > threshold
  | extend AccountCustomEntity = TargetUsername  
kind: Scheduled

ARM