{"id":"258b6593-215d-4a26-a141-c8e31c1299a6","title":"Anomalous User Activity","description":"Indicates that there are anomalous patterns of behavior like suspicious changes to the directory.","author":"Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'","status":"test","level":"high","date":"2023-09-03","modified":"","tags":["attack.privilege-escalation","attack.t1098","attack.persistence"],"technique_ids":["T1098"],"logsource":{"product":"azure","service":"riskdetection"},"falsepositives":["We recommend investigating the sessions flagged by this detection in the context of other sign-ins from the user."],"references":["https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#anomalous-user-activity","https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins"],"source_path":"rules/cloud/azure/identity_protection/azure_identity_protection_anomalous_user.yml","source_sha256":"ca0da9f5af62455644a571c520ae3958628ad9cc72e75dd62f84ccb6ab72ffe8","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/cloud/azure/identity_protection/azure_identity_protection_anomalous_user.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Anomalous User Activity\nid: 258b6593-215d-4a26-a141-c8e31c1299a6\nstatus: test\ndescription: Indicates that there are anomalous patterns of behavior like suspicious changes to the directory.\nreferences:\n    - https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#anomalous-user-activity\n    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins\nauthor: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'\ndate: 2023-09-03\ntags:\n    - attack.privilege-escalation\n    - attack.t1098\n    - attack.persistence\nlogsource:\n    product: azure\n    service: riskdetection\ndetection:\n    selection:\n        riskEventType: 'anomalousUserActivity'\n    condition: selection\nfalsepositives:\n    - We recommend investigating the sessions flagged by this detection in the context of other sign-ins from the user.\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1098","id":"T1098","name":"Account Manipulation","page":"techniques/enterprise/T1098/"}],"data_path":"data/detection-rules/258b6593-215d-4a26-a141-c8e31c1299a6.json","kind":"sigma"}