OCI - Instance metadata access

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Id	a55b4bbe-a014-4ae9-a50d-441ba5e98b65
Rulename	OCI - Instance metadata access
Description	Detects instance metadata access.
Severity	Medium
Tactics	Discovery
Techniques	T1069
Required data connectors	OracleCloudInfrastructureLogsConnector
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/Oracle Cloud Infrastructure/Analytic Rules/OCIMetadataEndpointIpAccess.yaml
Version	1.0.0
Arm template	a55b4bbe-a014-4ae9-a50d-441ba5e98b65.json

KQL

OCILogs
| where EventType contains 'vcn.flowlogs'
| where data_action_s =~ 'ACCEPT'
| where DstIpAddr == '169.254.169.254'
| extend IPCustomEntity = SrcIpAddr

YAML

triggerThreshold: 0
entityMappings:
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
requiredDataConnectors:
- dataTypes:
  - OCILogs
  connectorId: OracleCloudInfrastructureLogsConnector
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Oracle Cloud Infrastructure/Analytic Rules/OCIMetadataEndpointIpAccess.yaml
name: OCI - Instance metadata access
relevantTechniques:
- T1069
status: Available
version: 1.0.0
queryPeriod: 1h
kind: Scheduled
id: a55b4bbe-a014-4ae9-a50d-441ba5e98b65
query: |
  OCILogs
  | where EventType contains 'vcn.flowlogs'
  | where data_action_s =~ 'ACCEPT'
  | where DstIpAddr == '169.254.169.254'
  | extend IPCustomEntity = SrcIpAddr  
description: |
    'Detects instance metadata access.'
queryFrequency: 1h
severity: Medium
triggerOperator: gt
tactics:
- Discovery

ARM