Awake Security - High Severity Matches By Device

Back


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

OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AristaAwakeSecurity/Analytic Rules/HighSeverityMatchesByDevice.yaml
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
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    groupByCustomDetails:
    - Device
    matchingMethod: Selected
    groupByEntities:
    - Host
    groupByAlertDetails: []
    reopenClosedIncident: true
    enabled: true
    lookbackDuration: 3d
tactics: []
triggerThreshold: 0
kind: Scheduled
relevantTechniques: []
customDetails:
  Matched_Models: Models
  Matches_ASP_URLs: ASPMatchURLs
  Matches_Dest_IPs: DestinationIPs
  Device: SourceHostName
  Matches_Count: ModelMatchCount
  Matches_Max_Severity: MaxSeverity
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: SourceHostName
    identifier: HostName
- entityType: IP
  fieldMappings:
  - columnName: SourceIPs
    identifier: Address
eventGroupingSettings:
  aggregationKind: AlertPerResult
queryFrequency: 1h
name: Awake Security - High Severity Matches By Device
description: This query searches for devices with high severity event(s).
alertDetailsOverride:
  alertTacticsColumnName: 
  alertSeverityColumnName: MaxSeverity
  alertDescriptionFormat: |
    Device {{SourceHostName}} matched the following high-severity Awake model(s):

    {{Models}}

    The destination IPs associated with these matches were:

    {{DestinationIPs}}    
  alertDisplayNameFormat: Awake Security - High Severity Matches On Device {{SourceHostName}}
queryPeriod: 1h
triggerOperator: gt
id: d5e012c2-29ba-4a02-a813-37b928aafe2d
status: Available
severity: Medium
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma

ARM