OCI - Multiple instances launched

Back


Id	a79cf2b9-a511-4282-ba5d-812e14b07831
Rulename	OCI - Multiple instances launched
Description	Detects when multiple instances were launched.
Severity	Medium
Tactics	Impact
Techniques	T1496
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/OCIMultipleInstancesLaunched.yaml
Version	1.0.0
Arm template	a79cf2b9-a511-4282-ba5d-812e14b07831.json

KQL

let threshold = 5;
OCILogs
| where data_eventName_s =~ 'LaunchInstance'
| summarize count() by SrcIpAddr, bin(TimeGenerated, 10m)
| where count_ >= threshold
| extend IPCustomEntity = SrcIpAddr

YAML

description: |
    'Detects when multiple instances were launched.'
kind: Scheduled
queryFrequency: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Oracle Cloud Infrastructure/Analytic Rules/OCIMultipleInstancesLaunched.yaml
status: Available
triggerOperator: gt
severity: Medium
relevantTechniques:
- T1496
triggerThreshold: 0
name: OCI - Multiple instances launched
entityMappings:
- fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
  entityType: IP
requiredDataConnectors:
- connectorId: OracleCloudInfrastructureLogsConnector
  dataTypes:
  - OCILogs
id: a79cf2b9-a511-4282-ba5d-812e14b07831
queryPeriod: 1h
tactics:
- Impact
version: 1.0.0
query: |
  let threshold = 5;
  OCILogs
  | where data_eventName_s =~ 'LaunchInstance'
  | summarize count() by SrcIpAddr, bin(TimeGenerated, 10m)
  | where count_ >= threshold
  | extend IPCustomEntity = SrcIpAddr

ARM