{"id":"5afa454e-030c-4ab4-9253-a90aa7fcc581","title":"Device Registration or Join Without MFA","description":"Monitor and alert for device registration or join events where MFA was not performed.","author":"Michael Epping, '@mepples21'","status":"test","level":"medium","date":"2022-06-28","modified":"","tags":["attack.privilege-escalation","attack.persistence","attack.initial-access","attack.stealth","attack.t1078.004"],"technique_ids":["T1078.004"],"logsource":{"product":"azure","service":"signinlogs"},"falsepositives":["Unknown"],"references":["https://learn.microsoft.com/en-us/entra/architecture/security-operations-devices#device-registrations-and-joins-outside-policy"],"source_path":"rules/cloud/azure/signin_logs/azure_ad_device_registration_or_join_without_mfa.yml","source_sha256":"c9924565456fb3f116d1a2344a453bdfcad32d9ccf3dea48f7a64513ac39f2f0","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/cloud/azure/signin_logs/azure_ad_device_registration_or_join_without_mfa.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Device Registration or Join Without MFA\nid: 5afa454e-030c-4ab4-9253-a90aa7fcc581\nstatus: test\ndescription: Monitor and alert for device registration or join events where MFA was not performed.\nreferences:\n    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-devices#device-registrations-and-joins-outside-policy\nauthor: Michael Epping, '@mepples21'\ndate: 2022-06-28\ntags:\n    - attack.privilege-escalation\n    - attack.persistence\n    - attack.initial-access\n    - attack.stealth\n    - attack.t1078.004\nlogsource:\n    product: azure\n    service: signinlogs\ndetection:\n    selection:\n        ResourceDisplayName: 'Device Registration Service'\n        conditionalAccessStatus: 'success'\n    filter_mfa:\n        AuthenticationRequirement: 'multiFactorAuthentication'\n    condition: selection and not filter_mfa\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1078.004","id":"T1078.004","name":"Cloud Accounts","page":"techniques/enterprise/T1078.004/"}],"data_path":"data/detection-rules/5afa454e-030c-4ab4-9253-a90aa7fcc581.json","kind":"sigma"}