GCP Security Command Center - Detect Resources with Logging Disabled

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Id	d1fe8d30-4852-463a-b6ee-3b459788b75d
Rulename	GCP Security Command Center - Detect Resources with Logging Disabled
Description	Detects Google Cloud resources where logging is disabled for services like (Cloud Storage buckets, Firewall rules, Cloud DNS networks) based on Google Cloud Security Command Center findings.
Severity	Medium
Tactics	DefenseEvasion
Techniques	T1562
Required data connectors	GoogleSCCDefinition
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/Google Cloud Platform Security Command Center/Analytic Rules/GCPLoggingDisabled.yaml
Version	1.0.0
Arm template	d1fe8d30-4852-463a-b6ee-3b459788b75d.json

KQL

GoogleCloudSCC
| where tostring(Findings.state) == "ACTIVE"
| extend FindingCategory = tostring(Findings.category)
| where FindingCategory in ("BUCKET_LOGGING_DISABLED", "FIREWALL_RULE_LOGGING_DISABLED", "DNS_LOGGING_DISABLED")
| extend FindingsJson = parse_json(Findings)
| extend Resource = tostring(FindingsJson.resourceName),
         ExternalUri = tostring(FindingsJson.externalUri),
         Description = tostring(FindingsJson.description),
         Severity = tostring(FindingsJson.severity),
         ProjectName = extract(@"projects/([^/]+)", 1, tostring(FindingsJson.resourceName)),
         ResourceType = extract(@"//([a-z0-9_.-]+)/", 1, tostring(FindingsJson.resourceName)),
         SourceProps = parse_json(tostring(FindingsJson.sourceProperties))
// Normalize display-friendly resource id
| extend ResourceName = case(
    Resource contains "firewalls/", extract(@"firewalls/([^/]+)", 1, Resource),
    Resource contains "storage.googleapis.com/", extract(@'storage.googleapis.com/([^/\"]+)', 1, Resource),
    Resource contains "networks/", extract(@"networks/([^/]+)", 1, Resource),
    Resource
  )
| project TimeGenerated, ProjectName, ResourceType, ResourceName, Resource, FindingCategory, Severity, ExternalUri, Description

YAML

id: d1fe8d30-4852-463a-b6ee-3b459788b75d
alertDetailsOverride:
  alertDisplayNameFormat: 'GCP resources with logging disabled: {{ProjectName}} ({{ResourceType}})'
  alertDescriptionFormat: 'Resource {{ResourceName}} in project {{ProjectName}} (type: {{ResourceType}}) has logging disabled.'
tags:
- Logging
- GCP
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Google Cloud Platform Security Command Center/Analytic Rules/GCPLoggingDisabled.yaml
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: ResourceName
  entityType: CloudApplication
requiredDataConnectors:
- dataTypes:
  - GoogleCloudSCC
  connectorId: GoogleSCCDefinition
queryFrequency: 1h
eventGroupingSettings:
  aggregationKind: AlertPerResult
queryPeriod: 1h
status: Available
query: |
  GoogleCloudSCC
  | where tostring(Findings.state) == "ACTIVE"
  | extend FindingCategory = tostring(Findings.category)
  | where FindingCategory in ("BUCKET_LOGGING_DISABLED", "FIREWALL_RULE_LOGGING_DISABLED", "DNS_LOGGING_DISABLED")
  | extend FindingsJson = parse_json(Findings)
  | extend Resource = tostring(FindingsJson.resourceName),
           ExternalUri = tostring(FindingsJson.externalUri),
           Description = tostring(FindingsJson.description),
           Severity = tostring(FindingsJson.severity),
           ProjectName = extract(@"projects/([^/]+)", 1, tostring(FindingsJson.resourceName)),
           ResourceType = extract(@"//([a-z0-9_.-]+)/", 1, tostring(FindingsJson.resourceName)),
           SourceProps = parse_json(tostring(FindingsJson.sourceProperties))
  // Normalize display-friendly resource id
  | extend ResourceName = case(
      Resource contains "firewalls/", extract(@"firewalls/([^/]+)", 1, Resource),
      Resource contains "storage.googleapis.com/", extract(@'storage.googleapis.com/([^/\"]+)', 1, Resource),
      Resource contains "networks/", extract(@"networks/([^/]+)", 1, Resource),
      Resource
    )
  | project TimeGenerated, ProjectName, ResourceType, ResourceName, Resource, FindingCategory, Severity, ExternalUri, Description  
name: GCP Security Command Center - Detect Resources with Logging Disabled
kind: Scheduled
tactics:
- DefenseEvasion
severity: Medium
relevantTechniques:
- T1562
triggerThreshold: 0
version: 1.0.0
description: |
    Detects Google Cloud resources where logging is disabled for services like (Cloud Storage buckets, Firewall rules, Cloud DNS networks) based on Google Cloud Security Command Center findings.
customDetails:
  Severity: Severity
  ExternalUri: ExternalUri
  FindingCategory: FindingCategory
  ProjectName: ProjectName
  Description: Description
  ResourceType: ResourceType

ARM