{"id":"572b12d4-9062-11ed-a1eb-0242ac120002","title":"Suspicious SignIns From A Non Registered Device","description":"Detects risky authentication from a non AD registered device without MFA being required.","author":"Harjot Singh, '@cyb3rjy0t'","status":"test","level":"high","date":"2023-01-10","modified":"2025-07-02","tags":["attack.privilege-escalation","attack.persistence","attack.initial-access","attack.stealth","attack.t1078"],"technique_ids":["T1078"],"logsource":{"product":"azure","service":"signinlogs"},"falsepositives":["Unknown"],"references":["https://learn.microsoft.com/en-us/entra/architecture/security-operations-devices#non-compliant-device-sign-in"],"source_path":"rules/cloud/azure/signin_logs/azure_ad_risky_sign_ins_with_singlefactorauth_from_unknown_devices.yml","source_sha256":"05e9e37af72bfea775c76056d4ab47b1ec9386c1b5fe57233cdd3647f9585d55","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/cloud/azure/signin_logs/azure_ad_risky_sign_ins_with_singlefactorauth_from_unknown_devices.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious SignIns From A Non Registered Device\nid: 572b12d4-9062-11ed-a1eb-0242ac120002\nstatus: test\ndescription: Detects risky authentication from a non AD registered device without MFA being required.\nreferences:\n    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-devices#non-compliant-device-sign-in\nauthor: Harjot Singh, '@cyb3rjy0t'\ndate: 2023-01-10\nmodified: 2025-07-02\ntags:\n    - attack.privilege-escalation\n    - attack.persistence\n    - attack.initial-access\n    - attack.stealth\n    - attack.t1078\nlogsource:\n    product: azure\n    service: signinlogs\ndetection:\n    selection_main:\n        Status: 'Success'\n        AuthenticationRequirement: 'singleFactorAuthentication'\n        RiskState: 'atRisk'\n    selection_empty1:\n        DeviceDetail.trusttype: ''\n    selection_empty2:\n        DeviceDetail.trusttype: null\n    condition: selection_main and 1 of selection_empty*\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1078","id":"T1078","name":"Valid Accounts","page":"techniques/enterprise/T1078/"}],"data_path":"data/detection-rules/572b12d4-9062-11ed-a1eb-0242ac120002.json","kind":"sigma"}