Awake Security - High Severity Matches By Device
| 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 |
| 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 | 1.0.0 |
| Arm template | d5e012c2-29ba-4a02-a813-37b928aafe2d.json |
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
entityMappings:
- entityType: Host
fieldMappings:
- columnName: SourceHostName
identifier: HostName
- entityType: IP
fieldMappings:
- columnName: SourceIPs
identifier: Address
requiredDataConnectors:
- dataTypes:
- CommonSecurityLog (AwakeSecurity)
connectorId: AristaAwakeSecurity
incidentConfiguration:
groupingConfiguration:
matchingMethod: Selected
reopenClosedIncident: true
groupByCustomDetails:
- Device
groupByAlertDetails: []
groupByEntities:
- Host
lookbackDuration: 3d
enabled: true
createIncident: true
queryPeriod: 1h
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
description: This query searches for devices with high severity event(s).
customDetails:
Matches_Dest_IPs: DestinationIPs
Matches_Max_Severity: MaxSeverity
Device: SourceHostName
Matched_Models: Models
Matches_Count: ModelMatchCount
Matches_ASP_URLs: ASPMatchURLs
name: Awake Security - High Severity Matches By Device
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AristaAwakeSecurity/Analytic Rules/HighSeverityMatchesByDevice.yaml
relevantTechniques: []
alertDetailsOverride:
alertTacticsColumnName:
alertSeverityColumnName: MaxSeverity
alertDescriptionFormat: |
Device {{SourceHostName}} matched the following high-severity Awake model(s):
{{Models}}
The destination IPs associated with these matches were:
{{DestinationIPs}}
alertDisplayNameFormat: Awake Security - High Severity Matches On Device {{SourceHostName}}
eventGroupingSettings:
aggregationKind: AlertPerResult
kind: Scheduled
status: Available
queryFrequency: 1h
severity: Medium
tactics: []
version: 1.0.0
triggerOperator: gt
id: d5e012c2-29ba-4a02-a813-37b928aafe2d
triggerThreshold: 0
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"apiVersion": "2023-02-01-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",
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [],
"techniques": [],
"templateVersion": "1.0.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}