Awake Security - High Severity Matches By Device

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Id	d5e012c2-29ba-4a02-a813-37b928aafe2d
Rulename	Awake Security - High Severity Matches By Device
Description	This query searches for devices with high severity event(s).
Severity	Medium
Required data connectors	AristaAwakeSecurity CefAma
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/AristaAwakeSecurity/Analytic Rules/HighSeverityMatchesByDevice.yaml
Version	1.0.1
Arm template	d5e012c2-29ba-4a02-a813-37b928aafe2d.json

KQL

CommonSecurityLog
| where DeviceVendor == "Arista Networks" and DeviceProduct == "Awake Security" and toint(LogSeverity) > 6
| summarize StartTime=min(TimeGenerated), EndTime=max(TimeGenerated), Models=make_set(Activity), ASPMatchURLs=make_set(DeviceCustomString2), SourceIPs=make_set(SourceIP),
  DestinationIPs=make_set(DestinationIP), ModelMatchCount=sum(EventCount), MaxSeverity=max(todecimal  (LogSeverity)) by SourceHostName

YAML

relevantTechniques: []
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: 3d
    groupByCustomDetails:
    - Device
    groupByAlertDetails: []
    enabled: true
    reopenClosedIncident: true
    matchingMethod: Selected
    groupByEntities:
    - Host
name: Awake Security - High Severity Matches By Device
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog (AwakeSecurity)
  connectorId: AristaAwakeSecurity
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma
entityMappings:
- fieldMappings:
  - identifier: HostName
    columnName: SourceHostName
  entityType: Host
- fieldMappings:
  - identifier: Address
    columnName: SourceIPs
  entityType: IP
triggerThreshold: 0
id: d5e012c2-29ba-4a02-a813-37b928aafe2d
tactics: []
version: 1.0.1
customDetails:
  Matches_Dest_IPs: DestinationIPs
  Matches_ASP_URLs: ASPMatchURLs
  Matches_Max_Severity: MaxSeverity
  Matches_Count: ModelMatchCount
  Device: SourceHostName
  Matched_Models: Models
alertDetailsOverride:
  alertDisplayNameFormat: Awake Security - High Severity Matches On Device {{SourceHostName}}
  alertSeverityColumnName: MaxSeverity
  alertDescriptionFormat: |
    Device {{SourceHostName}} matched the following high-severity Awake model(s):

    {{Models}}

    The destination IPs associated with these matches were:

    {{DestinationIPs}}    
  alertTacticsColumnName: 
queryPeriod: 1h
kind: Scheduled
eventGroupingSettings:
  aggregationKind: AlertPerResult
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AristaAwakeSecurity/Analytic Rules/HighSeverityMatchesByDevice.yaml
queryFrequency: 1h
severity: Medium
status: Available
description: This query searches for devices with high severity event(s).
query: |
  CommonSecurityLog
  | where DeviceVendor == "Arista Networks" and DeviceProduct == "Awake Security" and toint(LogSeverity) > 6
  | summarize StartTime=min(TimeGenerated), EndTime=max(TimeGenerated), Models=make_set(Activity), ASPMatchURLs=make_set(DeviceCustomString2), SourceIPs=make_set(SourceIP),
    DestinationIPs=make_set(DestinationIP), ModelMatchCount=sum(EventCount), MaxSeverity=max(todecimal  (LogSeverity)) by SourceHostName  
triggerOperator: gt

ARM

{
  "$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/d5e012c2-29ba-4a02-a813-37b928aafe2d')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/d5e012c2-29ba-4a02-a813-37b928aafe2d')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "Device {{SourceHostName}} matched the following high-severity Awake model(s):\n\n{{Models}}\n\nThe destination IPs associated with these matches were:\n\n{{DestinationIPs}}\n",
          "alertDisplayNameFormat": "Awake Security - High Severity Matches On Device {{SourceHostName}}",
          "alertSeverityColumnName": "MaxSeverity",
          "alertTacticsColumnName": null
        },
        "alertRuleTemplateName": "d5e012c2-29ba-4a02-a813-37b928aafe2d",
        "customDetails": {
          "Device": "SourceHostName",
          "Matched_Models": "Models",
          "Matches_ASP_URLs": "ASPMatchURLs",
          "Matches_Count": "ModelMatchCount",
          "Matches_Dest_IPs": "DestinationIPs",
          "Matches_Max_Severity": "MaxSeverity"
        },
        "description": "This query searches for devices with high severity event(s).",
        "displayName": "Awake Security - High Severity Matches By Device",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "SourceHostName",
                "identifier": "HostName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "SourceIPs",
                "identifier": "Address"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "groupByAlertDetails": [],
            "groupByCustomDetails": [
              "Device"
            ],
            "groupByEntities": [
              "Host"
            ],
            "lookbackDuration": "P3D",
            "matchingMethod": "Selected",
            "reopenClosedIncident": true
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AristaAwakeSecurity/Analytic Rules/HighSeverityMatchesByDevice.yaml",
        "query": "CommonSecurityLog\n| where DeviceVendor == \"Arista Networks\" and DeviceProduct == \"Awake Security\" and toint(LogSeverity) > 6\n| summarize StartTime=min(TimeGenerated), EndTime=max(TimeGenerated), Models=make_set(Activity), ASPMatchURLs=make_set(DeviceCustomString2), SourceIPs=make_set(SourceIP),\n  DestinationIPs=make_set(DestinationIP), ModelMatchCount=sum(EventCount), MaxSeverity=max(todecimal  (LogSeverity)) by SourceHostName\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [],
        "techniques": [],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}