TIE Password Spraying

// For the query to work properly, make sure you have imported the afad_parser.yaml parser into the workspace
// Retrieve the parser here: https://aka.ms/sentinel-TenableApp-afad-parser
// Then, create the Kusto Function with alias afad_parser
afad_parser
  | where MessageType == 2 and Codename == "Password Spraying"
  | extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))

queryPeriod: 2h
query: |
  // For the query to work properly, make sure you have imported the afad_parser.yaml parser into the workspace
  // Retrieve the parser here: https://aka.ms/sentinel-TenableApp-afad-parser
  // Then, create the Kusto Function with alias afad_parser
  afad_parser
    | where MessageType == 2 and Codename == "Password Spraying"
    | extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))  
name: TIE Password Spraying
entityMappings:
- fieldMappings:
  - columnName: HostName
    identifier: HostName
  - columnName: DnsDomain
    identifier: DnsDomain
  entityType: Host
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tenable App/Analytic Rules/TIEPasswordSpraying.yaml
requiredDataConnectors:
- connectorId: TenableIE
  dataTypes:
  - Tenable_IE_CL
description: |
    'Searches for Password spraying attacks.'
kind: Scheduled
version: 1.0.1
queryFrequency: 2h
severity: High
relevantTechniques:
- T1110.003
triggerOperator: gt
triggerThreshold: 0
tactics:
- CredentialAccess
id: f47eb8cb-4acb-4ee4-887d-0247c6d73a72