{"id":"7cded4b3-f09e-405a-b96f-24248433ba44","title":"OpenCanary - NTP Monlist Request","description":"Detects instances where an NTP service on an OpenCanary node has had a NTP monlist request.","author":"Security Onion Solutions","status":"test","level":"high","date":"2024-03-08","modified":"","tags":["attack.impact","attack.t1498"],"technique_ids":["T1498"],"logsource":{"category":"application","product":"opencanary"},"falsepositives":["Unlikely"],"references":["https://opencanary.readthedocs.io/en/latest/starting/configuration.html#services-configuration","https://github.com/thinkst/opencanary/blob/a0896adfcaf0328cfd5829fe10d2878c7445138e/opencanary/logger.py#L52"],"source_path":"rules/application/opencanary/opencanary_ntp_monlist.yml","source_sha256":"a5fb4dc3c5bfdbae381b0b52f2c99281880816329a6714e101b250ac56bc9330","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/application/opencanary/opencanary_ntp_monlist.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: OpenCanary - NTP Monlist Request\nid: 7cded4b3-f09e-405a-b96f-24248433ba44\nstatus: test\ndescription: Detects instances where an NTP service on an OpenCanary node has had a NTP monlist request.\nreferences:\n    - https://opencanary.readthedocs.io/en/latest/starting/configuration.html#services-configuration\n    - https://github.com/thinkst/opencanary/blob/a0896adfcaf0328cfd5829fe10d2878c7445138e/opencanary/logger.py#L52\nauthor: Security Onion Solutions\ndate: 2024-03-08\ntags:\n    - attack.impact\n    - attack.t1498\nlogsource:\n    category: application\n    product: opencanary\ndetection:\n    selection:\n        logtype: 11001\n    condition: selection\nfalsepositives:\n    - Unlikely\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1498","id":"T1498","name":"Network Denial of Service","page":"techniques/enterprise/T1498/"}],"data_path":"data/detection-rules/7cded4b3-f09e-405a-b96f-24248433ba44.json","kind":"sigma"}