TIE Password Guessing

// 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 Guessing"
  | extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))

OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tenable App/Analytic Rules/TIEPasswordGuessing.yaml
version: 1.0.1
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 Guessing"
    | extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))  
kind: Scheduled
name: TIE Password Guessing
triggerOperator: gt
severity: High
id: d1416c25-5a56-4a88-8d7c-568e6551a307
triggerThreshold: 0
entityMappings:
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: HostName
  - identifier: DnsDomain
    columnName: DnsDomain
queryFrequency: 2h
description: |
    'Searches for bruteforce Password Guessing attacks.'
requiredDataConnectors:
- connectorId: TenableIE
  dataTypes:
  - Tenable_IE_CL
relevantTechniques:
- T1110
tactics:
- CredentialAccess