{"id":"50a3c7aa-ec29-44a4-92c1-fce229eef6fc","title":"CA Policy Updated by Non Approved Actor","description":"Monitor and alert on conditional access changes. Is Initiated by (actor) approved to make changes? Review Modified Properties and compare \"old\" vs \"new\" value.","author":"Corissa Koopmans, '@corissalea'","status":"test","level":"medium","date":"2022-07-19","modified":"2024-05-28","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_updatedby_bad_actor.yml","source_sha256":"5564bc54df9a3104b1e7e003028559f7d0f2ff4dd2ddec7b08d10abc7c60df75","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/cloud/azure/audit_logs/azure_aad_secops_ca_policy_updatedby_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 Updated by Non Approved Actor\nid: 50a3c7aa-ec29-44a4-92c1-fce229eef6fc\nstatus: test\ndescription: Monitor and alert on conditional access changes. Is Initiated by (actor) approved to make changes? Review Modified Properties and compare \"old\" vs \"new\" value.\nreferences:\n    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-infrastructure#conditional-access\nauthor: Corissa Koopmans, '@corissalea'\ndate: 2022-07-19\nmodified: 2024-05-28\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: Update 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/50a3c7aa-ec29-44a4-92c1-fce229eef6fc.json","kind":"sigma"}