Theom - Shadow DB with atypical accesses

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Id	02bff937-ca52-4f52-a9cd-b826f8602694
Rulename	Theom - Shadow DB with atypical accesses
Description	“Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0036 (Theom has observed shadow or clone databases/tables. Additionally, it has observed atypical accesses to these data stores. As per this requirement, use this information to apply data access control lists or access permissions and enforce data retention policies)”
Severity	High
Tactics	Collection PrivilegeEscalation
Techniques	T1560 T1530 T1078
Required data connectors	Theom
Kind	Scheduled
Query frequency	5m
Query period	5m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic Rules/TRIS0036_Shadow_DB_with_atypical_accesses.yaml
Version	1.0.2
Arm template	02bff937-ca52-4f52-a9cd-b826f8602694.json

KQL

TheomAlerts_CL
  | where customProps_RuleId_s == "TRIS0036" and (priority_s == "P1" or priority_s == "P2")

YAML

description: |
    "Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0036 (Theom has observed shadow or clone databases/tables. Additionally, it has observed atypical accesses to these data stores. As per this requirement, use this information to apply data access control lists or access permissions and enforce data retention policies)"
kind: Scheduled
eventGroupingSettings:
  aggregationKind: AlertPerResult
queryFrequency: 5m
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic Rules/TRIS0036_Shadow_DB_with_atypical_accesses.yaml
alertDetailsOverride:
  alertDisplayNameFormat: 'Theom Alert ID: {{id_s}} '
  alertDescriptionFormat: |2

    Summary: {{summary_s}}  
    Additional info: {{details_s}}
    Please investigate further on Theom UI at {{deepLink_s}}
status: Available
triggerOperator: gt
severity: High
relevantTechniques:
- T1560
- T1530
- T1078
triggerThreshold: 0
name: Theom - Shadow DB with atypical accesses
entityMappings:
- fieldMappings:
  - columnName: customProps_AssetName_s
    identifier: Name
  entityType: CloudApplication
- fieldMappings:
  - columnName: deepLink_s
    identifier: Url
  entityType: URL
requiredDataConnectors:
- connectorId: Theom
  dataTypes:
  - TheomAlerts_CL
id: 02bff937-ca52-4f52-a9cd-b826f8602694
queryPeriod: 5m
tactics:
- Collection
- PrivilegeEscalation
version: 1.0.2
query: |
  TheomAlerts_CL
    | where customProps_RuleId_s == "TRIS0036" and (priority_s == "P1" or priority_s == "P2")

ARM