{"id":"970823b7-273b-460a-8afc-3a6811998529","title":"Uncommon One Time Only Scheduled Task At 00:00","description":"Detects scheduled task creation events that include suspicious actions, and is run once at 00:00","author":"pH-T (Nextron Systems)","status":"test","level":"high","date":"2022-07-15","modified":"2023-02-03","tags":["attack.execution","attack.persistence","attack.privilege-escalation","attack.t1053.005"],"technique_ids":["T1053.005"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Software installation"],"references":["https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-blackbyte"],"source_path":"rules/windows/process_creation/proc_creation_win_schtasks_one_time_only_midnight_task.yml","source_sha256":"c99629f527a3253db64e6f2e508ae17da0a924f602960ad2bf2279d3301c665c","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_schtasks_one_time_only_midnight_task.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Uncommon One Time Only Scheduled Task At 00:00\nid: 970823b7-273b-460a-8afc-3a6811998529\nstatus: test\ndescription: Detects scheduled task creation events that include suspicious actions, and is run once at 00:00\nreferences:\n    - https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-blackbyte\nauthor: pH-T (Nextron Systems)\ndate: 2022-07-15\nmodified: 2023-02-03\ntags:\n    - attack.execution\n    - attack.persistence\n    - attack.privilege-escalation\n    - attack.t1053.005\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|contains: '\\schtasks.exe'\n        - OriginalFileName: 'schtasks.exe'\n    selection_cli:\n        CommandLine|contains:\n            - 'wscript'\n            - 'vbscript'\n            - 'cscript'\n            - 'wmic '\n            - 'wmic.exe'\n            - 'regsvr32.exe'\n            - 'powershell'\n            - '\\AppData\\'\n    selection_time:\n        CommandLine|contains|all:\n            - 'once'\n            - '00:00'\n    condition: all of selection_*\nfalsepositives:\n    - Software installation\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1053.005","id":"T1053.005","name":"Scheduled Task","page":"techniques/enterprise/T1053.005/"}],"data_path":"data/detection-rules/970823b7-273b-460a-8afc-3a6811998529.json","kind":"sigma"}