{"id":"b9f0e6f5-09b4-4358-bae4-08408705bd5c","title":"New User Created Via Net.EXE With Never Expire Option","description":"Detects creation of local users via the net.exe command with the option \"never expire\"","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"high","date":"2022-07-12","modified":"2023-02-21","tags":["attack.persistence","attack.t1136.001"],"technique_ids":["T1136.001"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unlikely"],"references":["https://thedfirreport.com/2022/07/11/select-xmrig-from-sqlserver/"],"source_path":"rules/windows/process_creation/proc_creation_win_net_user_add_never_expire.yml","source_sha256":"9070224d4323df03f66f8209c0ccbfc793ee95436041a079990dfb73533be489","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_net_user_add_never_expire.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: New User Created Via Net.EXE With Never Expire Option\nid: b9f0e6f5-09b4-4358-bae4-08408705bd5c\nrelated:\n    - id: cd219ff3-fa99-45d4-8380-a7d15116c6dc\n      type: derived\nstatus: test\ndescription: Detects creation of local users via the net.exe command with the option \"never expire\"\nreferences:\n    - https://thedfirreport.com/2022/07/11/select-xmrig-from-sqlserver/\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-07-12\nmodified: 2023-02-21\ntags:\n    - attack.persistence\n    - attack.t1136.001\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith:\n              - '\\net.exe'\n              - '\\net1.exe'\n        - OriginalFileName:\n              - 'net.exe'\n              - 'net1.exe'\n    selection_cli:\n        CommandLine|contains|all:\n            - 'user'\n            - 'add'\n            - 'expires:never'\n    condition: all of selection_*\nfalsepositives:\n    - Unlikely\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/"}],"data_path":"data/detection-rules/b9f0e6f5-09b4-4358-bae4-08408705bd5c.json","kind":"sigma"}