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

eventGroupingSettings:
  aggregationKind: AlertPerResult
triggerThreshold: 0
entityMappings:
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: SourceHostName
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: SourceIPs
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AristaAwakeSecurity/Analytic Rules/HighSeverityMatchesByDevice.yaml
customDetails:
  Matches_ASP_URLs: ASPMatchURLs
  Matches_Count: ModelMatchCount
  Device: SourceHostName
  Matches_Dest_IPs: DestinationIPs
  Matched_Models: Models
  Matches_Max_Severity: MaxSeverity
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: 3d
    reopenClosedIncident: true
    groupByCustomDetails:
    - Device
    enabled: true
    groupByAlertDetails: []
    groupByEntities:
    - Host
    matchingMethod: Selected
name: Awake Security - High Severity Matches By Device
alertDetailsOverride:
  alertSeverityColumnName: MaxSeverity
  alertDisplayNameFormat: Awake Security - High Severity Matches On Device {{SourceHostName}}
  alertTacticsColumnName: 
  alertDescriptionFormat: |
    Device {{SourceHostName}} matched the following high-severity Awake model(s):

    {{Models}}

    The destination IPs associated with these matches were:

    {{DestinationIPs}}    
relevantTechniques: []
status: Available
version: 1.0.2
queryPeriod: 1h
kind: Scheduled
id: d5e012c2-29ba-4a02-a813-37b928aafe2d
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).
queryFrequency: 1h
severity: Medium
triggerOperator: gt
tactics: []

ARM