{"id":"26e7c5e2-6545-481e-b7e6-050143459635","title":"CA Policy Removed by Non Approved Actor","description":"Monitor and alert on conditional access changes where non approved actor removed CA Policy.","author":"Corissa Koopmans, '@corissalea'","status":"test","level":"medium","date":"2022-07-19","modified":"","tags":["attack.privilege-escalation","attack.credential-access","attack.persistence","attack.defense-impairment","attack.t1548","attack.t1556"],"technique_ids":["T1548","T1556"],"logsource":{"product":"azure","service":"auditlogs"},"falsepositives":["Misconfigured role permissions","Verify whether the user identity, user agent, and/or hostname should be making changes in your environment."],"references":["https://learn.microsoft.com/en-us/entra/architecture/security-operations-infrastructure#conditional-access"],"source_path":"rules/cloud/azure/audit_logs/azure_aad_secops_ca_policy_removedby_bad_actor.yml","source_sha256":"34edc9e2c7a9139001faf41c21c6580eb00b51fb639e43899bb66ace3b96c707","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/cloud/azure/audit_logs/azure_aad_secops_ca_policy_removedby_bad_actor.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: CA Policy Removed by Non Approved Actor\nid: 26e7c5e2-6545-481e-b7e6-050143459635\nstatus: test\ndescription: Monitor and alert on conditional access changes where non approved actor removed CA Policy.\nreferences:\n    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-infrastructure#conditional-access\nauthor: Corissa Koopmans, '@corissalea'\ndate: 2022-07-19\ntags:\n    - attack.privilege-escalation\n    - attack.credential-access\n    - attack.persistence\n    - attack.defense-impairment\n    - attack.t1548\n    - attack.t1556\nlogsource:\n    product: azure\n    service: auditlogs\ndetection:\n    selection:\n        properties.message: Delete conditional access policy\n    condition: selection\nfalsepositives:\n    - Misconfigured role permissions\n    - Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1548","id":"T1548","name":"Abuse Elevation Control Mechanism","page":"techniques/enterprise/T1548/"},{"key":"enterprise/T1556","id":"T1556","name":"Modify Authentication Process","page":"techniques/enterprise/T1556/"}],"data_path":"data/detection-rules/26e7c5e2-6545-481e-b7e6-050143459635.json","kind":"sigma"}