{"id":"0b4b72e3-4c53-4d5b-b198-2c58cfef39a9","title":"Guest User Invited By Non Approved Inviters","description":"Detects when a user that doesn't have permissions to invite a guest user attempts to invite one.","author":"Mark Morowczynski '@markmorow', Yochana Henderson, '@Yochana-H'","status":"test","level":"medium","date":"2022-08-10","modified":"","tags":["attack.privilege-escalation","attack.initial-access","attack.persistence","attack.stealth","attack.t1078.004"],"technique_ids":["T1078.004"],"logsource":{"product":"azure","service":"auditlogs"},"falsepositives":["A non malicious user is unaware of the proper process"],"references":["https://learn.microsoft.com/en-us/entra/architecture/security-operations-privileged-accounts#things-to-monitor"],"source_path":"rules/cloud/azure/audit_logs/azure_guest_invite_failure.yml","source_sha256":"1b40e0e22989b9449cade18b92b6809bb58cb863f32e320c45bffb5efc7d6423","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/cloud/azure/audit_logs/azure_guest_invite_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: Guest User Invited By Non Approved Inviters\nid: 0b4b72e3-4c53-4d5b-b198-2c58cfef39a9\nstatus: test\ndescription: Detects when a user that doesn't have permissions to invite a guest user attempts to invite one.\nreferences:\n    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-privileged-accounts#things-to-monitor\nauthor: Mark Morowczynski '@markmorow', Yochana Henderson, '@Yochana-H'\ndate: 2022-08-10\ntags:\n    - attack.privilege-escalation\n    - attack.initial-access\n    - attack.persistence\n    - attack.stealth\n    - attack.t1078.004\nlogsource:\n    product: azure\n    service: auditlogs\ndetection:\n    selection:\n        properties.message: Invite external user\n        Status: failure\n    condition: selection\nfalsepositives:\n    - A non malicious user is unaware of the proper process\nlevel: medium\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/"}],"data_path":"data/detection-rules/0b4b72e3-4c53-4d5b-b198-2c58cfef39a9.json","kind":"sigma"}