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

eventGroupingSettings:
  aggregationKind: AlertPerResult
triggerThreshold: 0
entityMappings:
- entityType: CloudApplication
  fieldMappings:
  - identifier: Name
    columnName: ResourceName
requiredDataConnectors:
- dataTypes:
  - GoogleCloudSCC
  connectorId: GoogleSCCDefinition
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Google Cloud Platform Security Command Center/Analytic Rules/GCPLoggingDisabled.yaml
customDetails:
  ResourceType: ResourceType
  ProjectName: ProjectName
  ExternalUri: ExternalUri
  FindingCategory: FindingCategory
  Description: Description
  Severity: Severity
tags:
- Logging
- GCP
name: GCP Security Command Center - Detect Resources with Logging Disabled
alertDetailsOverride:
  alertDisplayNameFormat: 'GCP resources with logging disabled: {{ProjectName}} ({{ResourceType}})'
  alertDescriptionFormat: 'Resource {{ResourceName}} in project {{ProjectName}} (type: {{ResourceType}}) has logging disabled.'
relevantTechniques:
- T1562
status: Available
version: 1.0.0
queryPeriod: 1h
kind: Scheduled
id: d1fe8d30-4852-463a-b6ee-3b459788b75d
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  
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.
queryFrequency: 1h
severity: Medium
triggerOperator: gt
tactics:
- DefenseEvasion

ARM