{"id":"b4a6d707-9430-4f5f-af68-0337f52d5c42","title":"Sign-in Failure Due to Conditional Access Requirements Not Met","description":"Define a baseline threshold for failed sign-ins due to Conditional Access failures","author":"Yochana Henderson, '@Yochana-H'","status":"test","level":"high","date":"2022-06-01","modified":"","tags":["attack.privilege-escalation","attack.persistence","attack.initial-access","attack.credential-access","attack.stealth","attack.t1110","attack.t1078.004"],"technique_ids":["T1078.004","T1110"],"logsource":{"product":"azure","service":"signinlogs"},"falsepositives":["Service Account misconfigured","Misconfigured Systems","Vulnerability Scanners"],"references":["https://learn.microsoft.com/en-gb/entra/architecture/security-operations-privileged-accounts"],"source_path":"rules/cloud/azure/signin_logs/azure_conditional_access_failure.yml","source_sha256":"dec1132f9b4dde066633a4ef80fa2ec41046e79aba841296a52a2b13970cb5d5","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/cloud/azure/signin_logs/azure_conditional_access_failure.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Sign-in Failure Due to Conditional Access Requirements Not Met\nid: b4a6d707-9430-4f5f-af68-0337f52d5c42\nstatus: test\ndescription: Define a baseline threshold for failed sign-ins due to Conditional Access failures\nreferences:\n    - https://learn.microsoft.com/en-gb/entra/architecture/security-operations-privileged-accounts\nauthor: Yochana Henderson, '@Yochana-H'\ndate: 2022-06-01\ntags:\n    - attack.privilege-escalation\n    - attack.persistence\n    - attack.initial-access\n    - attack.credential-access\n    - attack.stealth\n    - attack.t1110\n    - attack.t1078.004\nlogsource:\n    product: azure\n    service: signinlogs\ndetection:\n    selection:\n        ResultType: 53003\n        Resultdescription: Blocked by Conditional Access\n    condition: selection\nfalsepositives:\n    - Service Account misconfigured\n    - Misconfigured Systems\n    - Vulnerability Scanners\nlevel: high\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/"},{"key":"enterprise/T1110","id":"T1110","name":"Brute Force","page":"techniques/enterprise/T1110/"}],"data_path":"data/detection-rules/b4a6d707-9430-4f5f-af68-0337f52d5c42.json","kind":"sigma"}