adding new detection

detections/cloud/azure_ad_device_code_authentication.yml

@@ -0,0 +1,47 @@
+name: Azure AD Device Code Authentication
+id: d68d8732-6f7e-4ee5-a6eb-737f2b990b91
+version: 1
+date: '2023-08-03'
+author: Mauricio Velazco, Splunk
+status: production
+type: TTP
+data_source:
+- UPDATE_DATA_SOURCE
+description: UPDATE_DESCRIPTION
+search: ' `azuread`  properties.authenticationProtocol=deviceCode 
+  | `azure_ad_device_code_authentication_filter`'
+how_to_implement: UPDATE_HOW_TO_IMPLEMENT
+known_false_positives: UPDATE_KNOWN_FALSE_POSITIVES
+references:
+- https://attack.mitre.org/techniques/T1528
+- https://github.com/rvrsh3ll/TokenTactics
+- https://embracethered.com/blog/posts/2022/device-code-phishing/
+- https://0xboku.com/2021/07/12/ArtOfDeviceCodePhish.html
+tags:
+  analytic_story:
+  - Azure Active Directory Account Takeover
+  asset_type: Azure AD
+  confidence: 50
+  impact: 70
+  message: UPDATE message
+  mitre_attack_id:
+  - T1528
+  observable:
+  - name: userPrincipalName
+    type: User
+    role:
+    - Victim
+  product:
+  - Splunk Enterprise
+  - Splunk Enterprise Security
+  - Splunk Cloud
+  risk_score: 35
+  required_fields:
+  - UPDATE_required_fields
+  security_domain: identity
+tests:
+- name: True Positive Test
+  attack_data:
+  - data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1528/device_code_authentication/azure-audit.log
+    source: mscs:azure:eventhub
+    sourcetype: mscs:azure:eventhub