{"id":"6555754e-5e7f-4a67-ad1c-4041c413a007","title":"Anomalous Token","description":"Indicates that there are abnormal characteristics in the token such as an unusual token lifetime or a token that is played from an unfamiliar location.","author":"Mark Morowczynski '@markmorow'","status":"test","level":"high","date":"2023-08-07","modified":"","tags":["attack.t1528","attack.credential-access"],"technique_ids":["T1528"],"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-token","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_token.yml","source_sha256":"177c760939b2ebbe2a787c95658019cdf4d2524a12c2ef79d95bf4bda4716bb9","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/cloud/azure/identity_protection/azure_identity_protection_anomalous_token.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 Token\nid: 6555754e-5e7f-4a67-ad1c-4041c413a007\nstatus: test\ndescription: Indicates that there are abnormal characteristics in the token such as an unusual token lifetime or a token that is played from an unfamiliar location.\nreferences:\n    - https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#anomalous-token\n    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins\nauthor: Mark Morowczynski '@markmorow'\ndate: 2023-08-07\ntags:\n    - attack.t1528\n    - attack.credential-access\nlogsource:\n    product: azure\n    service: riskdetection\ndetection:\n    selection:\n        riskEventType: 'anomalousToken'\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/T1528","id":"T1528","name":"Steal Application Access Token","page":"techniques/enterprise/T1528/"}],"data_path":"data/detection-rules/6555754e-5e7f-4a67-ad1c-4041c413a007.json","kind":"sigma"}