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

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

    {{Models}}

    The destination IPs associated with these matches were:

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

ARM