Microsoft Entra ID PowerShell accessing non-Entra ID resources

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Id	50574fac-f8d1-4395-81c7-78a463ff0c52
Rulename	Microsoft Entra ID PowerShell accessing non-Entra ID resources
Description	This will alert when a user or application signs in using Microsoft Entra ID PowerShell to access non-Active Directory resources, such as the Azure Key Vault, which may be undesired or unauthorized behavior. For capabilities and expected behavior of the Microsoft Entra ID PowerShell module, see: https://docs.microsoft.com/powershell/module/azuread/?view=azureadps-2.0. For further information on Microsoft Entra ID Signin activity reports, see: https://docs.microsoft.com/azure/active-directory/reports-monitoring/concept-sign-ins.
Severity	Low
Tactics	InitialAccess
Techniques	T1078
Required data connectors	AzureActiveDirectory
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/Microsoft Entra ID/Analytic Rules/AzureAADPowerShellAnomaly.yaml
Version	1.0.4
Arm template	50574fac-f8d1-4395-81c7-78a463ff0c52.json

KQL

let aadFunc = (tableName:string){
table(tableName)
| where AppId =~ "1b730954-1685-4b74-9bfd-dac224a7b894" // AppDisplayName IS Azure Active Directory PowerShell
| where TokenIssuerType =~ "AzureAD"
| where ResourceIdentity !in ("00000002-0000-0000-c000-000000000000", "00000003-0000-0000-c000-000000000000") // ResourceDisplayName IS NOT Windows Azure Active Directory OR Microsoft Graph
| extend Status = todynamic(Status)
| where Status.errorCode == 0 // Success
| project-reorder IPAddress, UserAgent, ResourceDisplayName, UserDisplayName, UserId, UserPrincipalName, Type
| order by TimeGenerated desc
| extend Name = tostring(split(UserPrincipalName,'@',0)[0]), UPNSuffix = tostring(split(UserPrincipalName,'@',1)[0])
};
let aadSignin = aadFunc("SigninLogs");
let aadNonInt = aadFunc("AADNonInteractiveUserSignInLogs");
union isfuzzy=true aadSignin, aadNonInt

YAML

queryPeriod: 1h
query: |
  let aadFunc = (tableName:string){
  table(tableName)
  | where AppId =~ "1b730954-1685-4b74-9bfd-dac224a7b894" // AppDisplayName IS Azure Active Directory PowerShell
  | where TokenIssuerType =~ "AzureAD"
  | where ResourceIdentity !in ("00000002-0000-0000-c000-000000000000", "00000003-0000-0000-c000-000000000000") // ResourceDisplayName IS NOT Windows Azure Active Directory OR Microsoft Graph
  | extend Status = todynamic(Status)
  | where Status.errorCode == 0 // Success
  | project-reorder IPAddress, UserAgent, ResourceDisplayName, UserDisplayName, UserId, UserPrincipalName, Type
  | order by TimeGenerated desc
  | extend Name = tostring(split(UserPrincipalName,'@',0)[0]), UPNSuffix = tostring(split(UserPrincipalName,'@',1)[0])
  };
  let aadSignin = aadFunc("SigninLogs");
  let aadNonInt = aadFunc("AADNonInteractiveUserSignInLogs");
  union isfuzzy=true aadSignin, aadNonInt  
name: Microsoft Entra ID PowerShell accessing non-Entra ID resources
entityMappings:
- fieldMappings:
  - columnName: UserPrincipalName
    identifier: FullName
  - columnName: Name
    identifier: Name
  - columnName: UPNSuffix
    identifier: UPNSuffix
  entityType: Account
- fieldMappings:
  - columnName: UserId
    identifier: AadUserId
  entityType: Account
- fieldMappings:
  - columnName: IPAddress
    identifier: Address
  entityType: IP
queryFrequency: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Entra ID/Analytic Rules/AzureAADPowerShellAnomaly.yaml
tags:
- Solorigate
- NOBELIUM
requiredDataConnectors:
- connectorId: AzureActiveDirectory
  dataTypes:
  - SigninLogs
- connectorId: AzureActiveDirectory
  dataTypes:
  - AADNonInteractiveUserSignInLogs
description: |
  'This will alert when a user or application signs in using Microsoft Entra ID PowerShell to access non-Active Directory resources, such as the Azure Key Vault, which may be undesired or unauthorized behavior.
  For capabilities and expected behavior of the Microsoft Entra ID PowerShell module, see: https://docs.microsoft.com/powershell/module/azuread/?view=azureadps-2.0.
  For further information on Microsoft Entra ID Signin activity reports, see: https://docs.microsoft.com/azure/active-directory/reports-monitoring/concept-sign-ins.'  
kind: Scheduled
version: 1.0.4
status: Available
severity: Low
relevantTechniques:
- T1078
triggerOperator: gt
triggerThreshold: 0
tactics:
- InitialAccess
id: 50574fac-f8d1-4395-81c7-78a463ff0c52

ARM