Awake Security - Model With Multiple Destinations
Id | dfa3ec92-bdae-410f-b675-fe1814e4d43e |
Rulename | Awake Security - Model With Multiple Destinations |
Description | This query searches for devices with multiple possibly malicious destinations. |
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/ModelMatchesWithMultipleDestinationsByDevice.yaml |
Version | 1.0.1 |
Arm template | dfa3ec92-bdae-410f-b675-fe1814e4d43e.json |
CommonSecurityLog | where DeviceVendor == "Arista Networks" and DeviceProduct == "Awake Security"
| 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(toint(LogSeverity)) by SourceHostName
| where array_length(DestinationIPs) > 1
status: Available
queryFrequency: 1h
description: This query searches for devices with multiple possibly malicious destinations.
customDetails:
Matches_Max_Severity: MaxSeverity
Matches_Count: ModelMatchCount
Matches_Dest_IPs: DestinationIPs
Matched_Models: Models
Device: SourceHostName
Matches_ASP_URLs: ASPMatchURLs
severity: Medium
version: 1.0.1
relevantTechniques: []
incidentConfiguration:
groupingConfiguration:
matchingMethod: Selected
lookbackDuration: 3d
groupByAlertDetails: []
groupByCustomDetails:
- Device
reopenClosedIncident: true
groupByEntities:
- Host
enabled: true
createIncident: true
name: Awake Security - Model With Multiple Destinations
triggerThreshold: 0
eventGroupingSettings:
aggregationKind: AlertPerResult
query: |
CommonSecurityLog | where DeviceVendor == "Arista Networks" and DeviceProduct == "Awake Security"
| 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(toint(LogSeverity)) by SourceHostName
| where array_length(DestinationIPs) > 1
alertDetailsOverride:
alertDisplayNameFormat: Awake Security - Model Matches With Multiple Destinations On Device {{SourceHostName}}
alertDescriptionFormat: |
Device {{SourceHostName}} communicated with multiple possibly malicious destinations. The destination IPs were:
{{DestinationIPs}}
The associated with Awake model(s) were:
{{Models}}
alertSeverityColumnName:
alertTacticsColumnName:
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AristaAwakeSecurity/Analytic Rules/ModelMatchesWithMultipleDestinationsByDevice.yaml
requiredDataConnectors:
- connectorId: AristaAwakeSecurity
dataTypes:
- CommonSecurityLog (AwakeSecurity)
- connectorId: CefAma
dataTypes:
- CommonSecurityLog
kind: Scheduled
tactics: []
id: dfa3ec92-bdae-410f-b675-fe1814e4d43e
queryPeriod: 1h
entityMappings:
- fieldMappings:
- columnName: SourceHostName
identifier: HostName
entityType: Host
- fieldMappings:
- columnName: SourceIPs
identifier: Address
entityType: IP
{
"$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/dfa3ec92-bdae-410f-b675-fe1814e4d43e')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/dfa3ec92-bdae-410f-b675-fe1814e4d43e')]",
"properties": {
"alertDetailsOverride": {
"alertDescriptionFormat": "Device {{SourceHostName}} communicated with multiple possibly malicious destinations. The destination IPs were:\n\n{{DestinationIPs}}\n\nThe associated with Awake model(s) were:\n\n{{Models}}\n",
"alertDisplayNameFormat": "Awake Security - Model Matches With Multiple Destinations On Device {{SourceHostName}}",
"alertSeverityColumnName": null,
"alertTacticsColumnName": null
},
"alertRuleTemplateName": "dfa3ec92-bdae-410f-b675-fe1814e4d43e",
"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 multiple possibly malicious destinations.",
"displayName": "Awake Security - Model With Multiple Destinations",
"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/ModelMatchesWithMultipleDestinationsByDevice.yaml",
"query": "CommonSecurityLog | where DeviceVendor == \"Arista Networks\" and DeviceProduct == \"Awake Security\"\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(toint(LogSeverity)) by SourceHostName\n| where array_length(DestinationIPs) > 1\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"
}
]
}