Snowflake - Possible data destraction

Back


Id	c2f93727-e4b0-4cb9-8f80-f52ebbd96ece
Rulename	Snowflake - Possible data destraction
Description	Detects possible data destruction.
Severity	Medium
Tactics	Impact
Techniques	T1485
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/SnowflakePossibleDataDestruction.yaml
Version	1.0.1
Arm template	c2f93727-e4b0-4cb9-8f80-f52ebbd96ece.json

KQL

let threshold = 10;
Snowflake
| where QueryType =~ 'DROP'
| where QueryExecutionStatus =~ 'SUCCESS'
| summarize count() by TargetUsername, bin(TimeGenerated, 5m)
| where count_ > threshold
| extend AccountCustomEntity = TargetUsername

YAML

queryPeriod: 1h
id: c2f93727-e4b0-4cb9-8f80-f52ebbd96ece
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Snowflake/Analytic Rules/SnowflakePossibleDataDestruction.yaml
triggerOperator: gt
triggerThreshold: 0
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: AccountCustomEntity
  entityType: Account
status: Available
kind: Scheduled
name: Snowflake - Possible data destraction
relevantTechniques:
- T1485
description: |
    'Detects possible data destruction.'
query: |
  let threshold = 10;
  Snowflake
  | where QueryType =~ 'DROP'
  | where QueryExecutionStatus =~ 'SUCCESS'
  | summarize count() by TargetUsername, bin(TimeGenerated, 5m)
  | where count_ > threshold
  | extend AccountCustomEntity = TargetUsername  
version: 1.0.1
tactics:
- Impact
requiredDataConnectors:
- dataTypes:
  - Snowflake
  connectorId: Snowflake
severity: Medium
queryFrequency: 1h

ARM