Awake Security - Model With Multiple Destinations

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Id	dfa3ec92-bdae-410f-b675-fe1814e4d43e
Rulename	Awake Security - Model With Multiple Destinations
Description	This query searches for devices with multiple possibly malicious destinations.
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/ModelMatchesWithMultipleDestinationsByDevice.yaml
Version	1.0.2
Arm template	dfa3ec92-bdae-410f-b675-fe1814e4d43e.json

KQL

CommonSecurityLog | where DeviceVendor == "Arista Networks" and DeviceProduct == "Awake Security"
| 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(toint(LogSeverity)) by SourceHostName
| where array_length(DestinationIPs) > 1

YAML

alertDetailsOverride:
  alertTacticsColumnName: 
  alertSeverityColumnName: 
  alertDescriptionFormat: |
    Device {{SourceHostName}} communicated with multiple possibly malicious destinations.  The destination IPs were:

    {{DestinationIPs}}

    The associated with Awake model(s) were:

    {{Models}}    
  alertDisplayNameFormat: Awake Security - Model Matches With Multiple Destinations On Device {{SourceHostName}}
relevantTechniques: []
name: Awake Security - Model With Multiple Destinations
queryFrequency: 1h
version: 1.0.2
incidentConfiguration:
  groupingConfiguration:
    groupByEntities:
    - Host
    matchingMethod: Selected
    enabled: true
    groupByCustomDetails:
    - Device
    lookbackDuration: 3d
    groupByAlertDetails: []
    reopenClosedIncident: true
  createIncident: true
triggerThreshold: 0
severity: Medium
requiredDataConnectors:
- connectorId: CefAma
  dataTypes:
  - CommonSecurityLog
tactics: []
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AristaAwakeSecurity/Analytic Rules/ModelMatchesWithMultipleDestinationsByDevice.yaml
query: |
  CommonSecurityLog | where DeviceVendor == "Arista Networks" and DeviceProduct == "Awake Security"
  | 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(toint(LogSeverity)) by SourceHostName
  | where array_length(DestinationIPs) > 1  
kind: Scheduled
entityMappings:
- fieldMappings:
  - columnName: SourceHostName
    identifier: HostName
  entityType: Host
- fieldMappings:
  - columnName: SourceIPs
    identifier: Address
  entityType: IP
queryPeriod: 1h
triggerOperator: gt
customDetails:
  Device: SourceHostName
  Matches_Max_Severity: MaxSeverity
  Matches_Count: ModelMatchCount
  Matched_Models: Models
  Matches_ASP_URLs: ASPMatchURLs
  Matches_Dest_IPs: DestinationIPs
eventGroupingSettings:
  aggregationKind: AlertPerResult
id: dfa3ec92-bdae-410f-b675-fe1814e4d43e
status: Available
description: This query searches for devices with multiple possibly malicious destinations.

ARM