Bitglass - User Agent string has changed for user

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Id	4dd61530-859f-49e7-bd27-a173cb1a4589
Rulename	Bitglass - User Agent string has changed for user
Description	Detects when User Agent string has changed for user.
Severity	Medium
Tactics	InitialAccess
Techniques	T1078
Required data connectors	Bitglass
Kind	Scheduled
Query frequency	1h
Query period	14d
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Bitglass/Analytic Rules/BitglassUserUAChanged.yaml
Version	1.0.0
Arm template	4dd61530-859f-49e7-bd27-a173cb1a4589.json

KQL

Bitglass
| where EventType =~ 'access'
| where EventMessage =~ 'Login'
| summarize ua = makeset(HttpUserAgent) by User
| join (Bitglass
        | where EventType =~ 'access'
        | where EventMessage =~ 'Login') on User
| where ua !contains HttpUserAgent
| extend AccountCustomEntity = User

YAML

query: |
  Bitglass
  | where EventType =~ 'access'
  | where EventMessage =~ 'Login'
  | summarize ua = makeset(HttpUserAgent) by User
  | join (Bitglass
          | where EventType =~ 'access'
          | where EventMessage =~ 'Login') on User
  | where ua !contains HttpUserAgent
  | extend AccountCustomEntity = User  
version: 1.0.0
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Bitglass/Analytic Rules/BitglassUserUAChanged.yaml
status: Available
description: |
    'Detects when User Agent string has changed for user.'
queryFrequency: 1h
name: Bitglass - User Agent string has changed for user
kind: Scheduled
triggerThreshold: 0
id: 4dd61530-859f-49e7-bd27-a173cb1a4589
requiredDataConnectors:
- connectorId: Bitglass
  dataTypes:
  - Bitglass
severity: Medium
queryPeriod: 14d
entityMappings:
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
  entityType: Account
relevantTechniques:
- T1078
tactics:
- InitialAccess

ARM