Infoblox - Many High Threat Level Single Query Detected
Id | 99278700-79ca-4b0f-b416-bf57ec699e1a |
Rulename | Infoblox - Many High Threat Level Single Query Detected |
Description | Single high threat level domain queried at least 200 times in 1 hour regardless of source. Customize query count, scheduling, responses and more. This rule depends on a parser based on a Kusto Function to work as expected called **InfobloxCDC**. |
Severity | Medium |
Tactics | Impact |
Techniques | T1498 T1565 |
Required data connectors | CefAma InfobloxCloudDataConnector InfobloxCloudDataConnectorAma |
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/Infoblox Cloud Data Connector/Analytic Rules/Infoblox-ManyHighThreatLevelSingleQueryDetected.yaml |
Version | 1.0.3 |
Arm template | 99278700-79ca-4b0f-b416-bf57ec699e1a.json |
let threshold = 200;
InfobloxCDC
| where DeviceEventClassID has_cs "RPZ"
| where ThreatLevel_Score >= 80
| summarize count() by DestinationDnsDomain
| where count_ > threshold
| join kind=inner (InfobloxCDC
| where DeviceEventClassID has_cs "RPZ"
| where ThreatLevel_Score >= 80
) on DestinationDnsDomain
queryPeriod: 1h
version: 1.0.3
tactics:
- Impact
queryFrequency: 1h
id: 99278700-79ca-4b0f-b416-bf57ec699e1a
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Infoblox Cloud Data Connector/Analytic Rules/Infoblox-ManyHighThreatLevelSingleQueryDetected.yaml
requiredDataConnectors:
- dataTypes:
- CommonSecurityLog (InfobloxCDC)
connectorId: InfobloxCloudDataConnector
- dataTypes:
- CommonSecurityLog (InfobloxCDC)
connectorId: InfobloxCloudDataConnectorAma
- dataTypes:
- CommonSecurityLog
connectorId: CefAma
severity: Medium
eventGroupingSettings:
aggregationKind: SingleAlert
entityMappings:
- entityType: DNS
fieldMappings:
- columnName: DestinationDnsDomain
identifier: DomainName
- entityType: Malware
fieldMappings:
- columnName: ThreatProperty
identifier: Name
- columnName: ThreatClass
identifier: Category
triggerThreshold: 0
relevantTechniques:
- T1498
- T1565
query: |
let threshold = 200;
InfobloxCDC
| where DeviceEventClassID has_cs "RPZ"
| where ThreatLevel_Score >= 80
| summarize count() by DestinationDnsDomain
| where count_ > threshold
| join kind=inner (InfobloxCDC
| where DeviceEventClassID has_cs "RPZ"
| where ThreatLevel_Score >= 80
) on DestinationDnsDomain
kind: Scheduled
name: Infoblox - Many High Threat Level Single Query Detected
customDetails:
InfobloxB1Network: InfobloxB1Network
InfobloxB1FeedName: InfobloxB1FeedName
InfobloxB1PolicyName: InfobloxB1PolicyName
description: |
'Single high threat level domain queried at least 200 times in 1 hour regardless of source. Customize query count, scheduling, responses and more. This rule depends on a parser based on a Kusto Function to work as expected called [**InfobloxCDC**](https://aka.ms/sentinel-InfobloxCloudDataConnector-parser).'
status: Available
incidentConfiguration:
createIncident: true
{
"$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/99278700-79ca-4b0f-b416-bf57ec699e1a')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/99278700-79ca-4b0f-b416-bf57ec699e1a')]",
"properties": {
"alertRuleTemplateName": "99278700-79ca-4b0f-b416-bf57ec699e1a",
"customDetails": {
"InfobloxB1FeedName": "InfobloxB1FeedName",
"InfobloxB1Network": "InfobloxB1Network",
"InfobloxB1PolicyName": "InfobloxB1PolicyName"
},
"description": "'Single high threat level domain queried at least 200 times in 1 hour regardless of source. Customize query count, scheduling, responses and more. This rule depends on a parser based on a Kusto Function to work as expected called [**InfobloxCDC**](https://aka.ms/sentinel-InfobloxCloudDataConnector-parser).'\n",
"displayName": "Infoblox - Many High Threat Level Single Query Detected",
"enabled": true,
"entityMappings": [
{
"entityType": "DNS",
"fieldMappings": [
{
"columnName": "DestinationDnsDomain",
"identifier": "DomainName"
}
]
},
{
"entityType": "Malware",
"fieldMappings": [
{
"columnName": "ThreatProperty",
"identifier": "Name"
},
{
"columnName": "ThreatClass",
"identifier": "Category"
}
]
}
],
"eventGroupingSettings": {
"aggregationKind": "SingleAlert"
},
"incidentConfiguration": {
"createIncident": true
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Infoblox Cloud Data Connector/Analytic Rules/Infoblox-ManyHighThreatLevelSingleQueryDetected.yaml",
"query": "let threshold = 200;\nInfobloxCDC\n| where DeviceEventClassID has_cs \"RPZ\"\n| where ThreatLevel_Score >= 80\n| summarize count() by DestinationDnsDomain\n| where count_ > threshold\n| join kind=inner (InfobloxCDC\n | where DeviceEventClassID has_cs \"RPZ\"\n | where ThreatLevel_Score >= 80\n ) on DestinationDnsDomain\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Impact"
],
"techniques": [
"T1498",
"T1565"
],
"templateVersion": "1.0.3",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}