{"id":"6e61ee20-ce00-4f8d-8aee-bedd8216f7e3","title":"AWS GuardDuty Important Change","description":"Detects updates of the GuardDuty list of trusted IPs, perhaps to disable security alerts against malicious IPs.","author":"faloker","status":"test","level":"high","date":"2020-02-11","modified":"2022-10-09","tags":["attack.defense-impairment","attack.t1685"],"technique_ids":["T1685"],"logsource":{"product":"aws","service":"cloudtrail"},"falsepositives":["Valid change in the GuardDuty (e.g. to ignore internal scanners)"],"references":["https://github.com/RhinoSecurityLabs/pacu/blob/866376cd711666c775bbfcde0524c817f2c5b181/pacu/modules/guardduty__whitelist_ip/main.py#L9"],"source_path":"rules/cloud/aws/cloudtrail/aws_guardduty_disruption.yml","source_sha256":"b82f5f5ef3080814b9bbf019a07f7ddf0313afd1e08b8eca3e5331b6bbf3a01c","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/cloud/aws/cloudtrail/aws_guardduty_disruption.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: AWS GuardDuty Important Change\nid: 6e61ee20-ce00-4f8d-8aee-bedd8216f7e3\nstatus: test\ndescription: Detects updates of the GuardDuty list of trusted IPs, perhaps to disable security alerts against malicious IPs.\nreferences:\n    - https://github.com/RhinoSecurityLabs/pacu/blob/866376cd711666c775bbfcde0524c817f2c5b181/pacu/modules/guardduty__whitelist_ip/main.py#L9\nauthor: faloker\ndate: 2020-02-11\nmodified: 2022-10-09\ntags:\n    - attack.defense-impairment\n    - attack.t1685\nlogsource:\n    product: aws\n    service: cloudtrail\ndetection:\n    selection_source:\n        eventSource: guardduty.amazonaws.com\n        eventName: CreateIPSet\n    condition: selection_source\nfalsepositives:\n    - Valid change in the GuardDuty (e.g. to ignore internal scanners)\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1685","id":"T1685","name":"Disable or Modify Tools","page":"techniques/enterprise/T1685/"}],"data_path":"data/detection-rules/6e61ee20-ce00-4f8d-8aee-bedd8216f7e3.json","kind":"sigma"}