title: Sysinternals SDelete File Deletion author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research) date: 2020/05/02 description: A General detection to trigger for the deletion of files by Sysinternals SDelete. It looks for the common name pattern used to rename files. detection: SELECTION_1: EventID: 23 SELECTION_2: EventID: 26 SELECTION_3: TargetFilename: '*.AAA' SELECTION_4: TargetFilename: '*.ZZZ' condition: ((SELECTION_1 or SELECTION_2) and (SELECTION_3 or SELECTION_4)) falsepositives: - Legitime usage of SDelete id: 6ddab845-b1b8-49c2-bbf7-1a11967f64bc level: medium logsource: category: file_delete product: windows references: - https://github.com/OTRF/detection-hackathon-apt29/issues/9 - https://threathunterplaybook.com/evals/apt29/detections/4.B.4_83D62033-105A-4A02-8B75-DAB52D8D51EC.html status: experimental tags: - attack.defense_evasion - attack.t1070.004 yml_filename: sysmon_sysinternals_sdelete_file_deletion.yml yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/file_delete