{"id":"1bbf25b9-8038-4154-a50b-118f2a32be27","title":"Suspicious Windows ANONYMOUS LOGON Local Account Created","description":"Detects the creation of suspicious accounts similar to ANONYMOUS LOGON, such as using additional spaces. Created as an covering detection for exclusion of Logon Type 3 from ANONYMOUS LOGON accounts.","author":"James Pemberton / @4A616D6573","status":"test","level":"high","date":"2019-10-31","modified":"2022-10-09","tags":["attack.persistence","attack.t1136.001","attack.t1136.002"],"technique_ids":["T1136.001","T1136.002"],"logsource":{"product":"windows","service":"security"},"falsepositives":["Unknown"],"references":["https://twitter.com/SBousseaden/status/1189469425482829824"],"source_path":"rules/windows/builtin/security/win_security_susp_local_anon_logon_created.yml","source_sha256":"0fa7466e4a173159464746d4720a958024b15a7507514391d7c45a764d6e14c0","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/builtin/security/win_security_susp_local_anon_logon_created.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious Windows ANONYMOUS LOGON Local Account Created\nid: 1bbf25b9-8038-4154-a50b-118f2a32be27\nstatus: test\ndescription: Detects the creation of suspicious accounts similar to ANONYMOUS LOGON, such as using additional spaces. Created as an covering detection for exclusion of Logon Type 3 from ANONYMOUS LOGON accounts.\nreferences:\n    - https://twitter.com/SBousseaden/status/1189469425482829824\nauthor: James Pemberton / @4A616D6573\ndate: 2019-10-31\nmodified: 2022-10-09\ntags:\n    - attack.persistence\n    - attack.t1136.001\n    - attack.t1136.002\nlogsource:\n    product: windows\n    service: security\ndetection:\n    selection:\n        EventID: 4720\n        SamAccountName|contains|all:\n            - 'ANONYMOUS'\n            - 'LOGON'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1136.001","id":"T1136.001","name":"Local Account","page":"techniques/enterprise/T1136.001/"},{"key":"enterprise/T1136.002","id":"T1136.002","name":"Domain Account","page":"techniques/enterprise/T1136.002/"}],"data_path":"data/detection-rules/1bbf25b9-8038-4154-a50b-118f2a32be27.json","kind":"sigma"}