Microsoft Sentinel Analytic Rules
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Awake Security - High Severity Matches By Device

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Idd5e012c2-29ba-4a02-a813-37b928aafe2d
RulenameAwake Security - High Severity Matches By Device
DescriptionThis query searches for devices with high severity event(s).
SeverityMedium
Required data connectorsCefAma
KindScheduled
Query frequency1h
Query period1h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AristaAwakeSecurity/Analytic Rules/HighSeverityMatchesByDevice.yaml
Version1.0.2
Arm templated5e012c2-29ba-4a02-a813-37b928aafe2d.json
Deploy To Azure
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
alertDetailsOverride:
  alertDescriptionFormat: |
    Device {{SourceHostName}} matched the following high-severity Awake model(s):

    {{Models}}

    The destination IPs associated with these matches were:

    {{DestinationIPs}}    
  alertTacticsColumnName: 
  alertSeverityColumnName: MaxSeverity
  alertDisplayNameFormat: Awake Security - High Severity Matches On Device {{SourceHostName}}
description: This query searches for devices with high severity event(s).
kind: Scheduled
tactics: []
requiredDataConnectors:
- connectorId: CefAma
  dataTypes:
  - CommonSecurityLog
incidentConfiguration:
  groupingConfiguration:
    enabled: true
    groupByEntities:
    - Host
    reopenClosedIncident: true
    lookbackDuration: 3d
    matchingMethod: Selected
    groupByCustomDetails:
    - Device
    groupByAlertDetails: []
  createIncident: true
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AristaAwakeSecurity/Analytic Rules/HighSeverityMatchesByDevice.yaml
severity: Medium
name: Awake Security - High Severity Matches By Device
customDetails:
  Matched_Models: Models
  Matches_Dest_IPs: DestinationIPs
  Matches_ASP_URLs: ASPMatchURLs
  Matches_Count: ModelMatchCount
  Matches_Max_Severity: MaxSeverity
  Device: SourceHostName
triggerThreshold: 0
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  
relevantTechniques: []
id: d5e012c2-29ba-4a02-a813-37b928aafe2d
queryFrequency: 1h
status: Available
version: 1.0.2
triggerOperator: gt
eventGroupingSettings:
  aggregationKind: AlertPerResult
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: SourceHostName
    identifier: HostName
- entityType: IP
  fieldMappings:
  - columnName: SourceIPs
    identifier: Address