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	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	1.0.2
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

incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    groupByCustomDetails:
    - Device
    matchingMethod: Selected
    groupByAlertDetails: []
    groupByEntities:
    - Host
    lookbackDuration: 3d
    enabled: true
    reopenClosedIncident: true
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma
relevantTechniques: []
triggerOperator: gt
customDetails:
  Device: SourceHostName
  Matched_Models: Models
  Matches_Count: ModelMatchCount
  Matches_Max_Severity: MaxSeverity
  Matches_Dest_IPs: DestinationIPs
  Matches_ASP_URLs: ASPMatchURLs
queryFrequency: 1h
severity: Medium
triggerThreshold: 0
entityMappings:
- fieldMappings:
  - columnName: SourceHostName
    identifier: HostName
  entityType: Host
- fieldMappings:
  - columnName: SourceIPs
    identifier: Address
  entityType: IP
alertDetailsOverride:
  alertSeverityColumnName: MaxSeverity
  alertDescriptionFormat: |
    Device {{SourceHostName}} matched the following high-severity Awake model(s):

    {{Models}}

    The destination IPs associated with these matches were:

    {{DestinationIPs}}    
  alertTacticsColumnName: 
  alertDisplayNameFormat: Awake Security - High Severity Matches On Device {{SourceHostName}}
name: Awake Security - High Severity Matches By Device
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  
version: 1.0.2
tactics: []
queryPeriod: 1h
description: This query searches for devices with high severity event(s).
kind: Scheduled
id: d5e012c2-29ba-4a02-a813-37b928aafe2d
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AristaAwakeSecurity/Analytic Rules/HighSeverityMatchesByDevice.yaml
eventGroupingSettings:
  aggregationKind: AlertPerResult
status: Available

ARM