let threshold = 5;
OCILogs
| where data_eventName_s =~ 'LaunchInstance'
| summarize count() by SrcIpAddr, bin(TimeGenerated, 10m)
| where count_ >= threshold
| extend IPCustomEntity = SrcIpAddr
description: |
'Detects when multiple instances were launched.'
queryPeriod: 1h
name: OCI - Multiple instances launched
triggerThreshold: 0
tactics:
- Impact
severity: Medium
kind: Scheduled
entityMappings:
- entityType: IP
fieldMappings:
- identifier: Address
columnName: IPCustomEntity
queryFrequency: 1h
triggerOperator: gt
id: a79cf2b9-a511-4282-ba5d-812e14b07831
status: Available
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Oracle Cloud Infrastructure/Analytic Rules/OCIMultipleInstancesLaunched.yaml
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
requiredDataConnectors:
- connectorId: OracleCloudInfrastructureLogsConnector
dataTypes:
- OCILogs
relevantTechniques:
- T1496
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"apiVersion": "2024-01-01-preview",
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/a79cf2b9-a511-4282-ba5d-812e14b07831')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/a79cf2b9-a511-4282-ba5d-812e14b07831')]",
"properties": {
"alertRuleTemplateName": "a79cf2b9-a511-4282-ba5d-812e14b07831",
"customDetails": null,
"description": "'Detects when multiple instances were launched.'\n",
"displayName": "OCI - Multiple instances launched",
"enabled": true,
"entityMappings": [
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "IPCustomEntity",
"identifier": "Address"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Oracle Cloud Infrastructure/Analytic Rules/OCIMultipleInstancesLaunched.yaml",
"query": "let threshold = 5;\nOCILogs\n| where data_eventName_s =~ 'LaunchInstance'\n| summarize count() by SrcIpAddr, bin(TimeGenerated, 10m)\n| where count_ >= threshold\n| extend IPCustomEntity = SrcIpAddr\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Impact"
],
"techniques": [
"T1496"
],
"templateVersion": "1.0.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}