MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Discovery |
Rule body
id: a55b4bbe-a014-4ae9-a50d-441ba5e98b65
name: OCI - Instance metadata access
description: |
'Detects instance metadata access.'
severity: Medium
status: Available
requiredDataConnectors:
- connectorId: OracleCloudInfrastructureLogsConnector
dataTypes:
- OCILogs
- connectorId: OracleCloudInfraConnector
dataTypes:
- OCI_LogsV2_CL
queryFrequency: 1h
queryPeriod: 1h
triggerOperator: gt
triggerThreshold: 0
tactics:
- Discovery
relevantTechniques:
- T1069
query: |
OCILogs
| where EventType contains 'vcn.flowlogs'
| where data_action_s =~ 'ACCEPT'
| where DstIpAddr == '169.254.169.254'
| extend IPCustomEntity = SrcIpAddr
entityMappings:
- entityType: IP
fieldMappings:
- identifier: Address
columnName: IPCustomEntity
version: 1.0.1
kind: Scheduled
Stages and Predicates
Stage 1: source
OCILogs
Stage 2: where
| where EventType contains 'vcn.flowlogs'
Stage 3: where
| where data_action_s =~ 'ACCEPT'
Stage 4: where
| where DstIpAddr == '169.254.169.254'
Stage 5: extend
| extend IPCustomEntity = SrcIpAddr
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
DstIpAddr | eq |
| field:"dest_ip" kind:eq value:"169.254.169.254" |
EventType | contains |
| field:"EventType" kind:contains value:"vcn.flowlogs" |
data_action_s | eq |
| field:"data_action_s" kind:eq value:"ACCEPT" |
Output fields
These fields are emitted when the rule matches.
| Field | Source |
|---|---|
IPCustomEntity | extend |