{"id":"a3501e8e-af9e-43c6-8cd6-9360bdaae498","title":"Activity from Suspicious IP Addresses","description":"Detects when a Microsoft Cloud App Security reported users were active from an IP address identified as risky by Microsoft Threat Intelligence.\nThese IP addresses are involved in malicious activities, such as Botnet C&C, and may indicate compromised account.\n","author":"Austin Songer @austinsonger","status":"test","level":"medium","date":"2021-08-23","modified":"2022-10-09","tags":["attack.command-and-control","attack.t1573"],"technique_ids":["T1573"],"logsource":{"service":"threat_detection","product":"m365"},"falsepositives":["Unknown"],"references":["https://learn.microsoft.com/en-us/defender-cloud-apps/anomaly-detection-policy","https://learn.microsoft.com/en-us/defender-cloud-apps/policy-template-reference"],"source_path":"rules/cloud/m365/threat_detection/microsoft365_from_susp_ip_addresses.yml","source_sha256":"f7799957a0d9f7b995fd0fcee25c010d672c4b54006e43110980a9d3c87fbac6","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/cloud/m365/threat_detection/microsoft365_from_susp_ip_addresses.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Activity from Suspicious IP Addresses\nid: a3501e8e-af9e-43c6-8cd6-9360bdaae498\nstatus: test\ndescription: |\n  Detects when a Microsoft Cloud App Security reported users were active from an IP address identified as risky by Microsoft Threat Intelligence.\n  These IP addresses are involved in malicious activities, such as Botnet C&C, and may indicate compromised account.\nreferences:\n    - https://learn.microsoft.com/en-us/defender-cloud-apps/anomaly-detection-policy\n    - https://learn.microsoft.com/en-us/defender-cloud-apps/policy-template-reference\nauthor: Austin Songer @austinsonger\ndate: 2021-08-23\nmodified: 2022-10-09\ntags:\n    - attack.command-and-control\n    - attack.t1573\nlogsource:\n    service: threat_detection\n    product: m365\ndetection:\n    selection:\n        eventSource: SecurityComplianceCenter\n        eventName: 'Activity from suspicious IP addresses'\n        status: success\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1573","id":"T1573","name":"Encrypted Channel","page":"techniques/enterprise/T1573/"}],"data_path":"data/detection-rules/a3501e8e-af9e-43c6-8cd6-9360bdaae498.json","kind":"sigma"}