title: Suspicious Compression Tool Parameters author: Florian Roth, Samir Bousseaden date: 2019/10/15 description: Detects suspicious command line arguments of common data compression tools detection: SELECTION_1: EventID: 1 SELECTION_10: CommandLine: '* -hp*' SELECTION_11: ParentImage: C:\Program* SELECTION_2: OriginalFileName: 7z*.exe SELECTION_3: OriginalFileName: '*rar.exe' SELECTION_4: OriginalFileName: '*Command*Line*RAR*' SELECTION_5: CommandLine: '* -p*' SELECTION_6: CommandLine: '* -ta*' SELECTION_7: CommandLine: '* -tb*' SELECTION_8: CommandLine: '* -sdel*' SELECTION_9: CommandLine: '* -dw*' condition: (SELECTION_1 and ((SELECTION_2 or SELECTION_3 or SELECTION_4) and (SELECTION_5 or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9 or SELECTION_10)) and not (SELECTION_11)) falsepositives: - unknown id: 27a72a60-7e5e-47b1-9d17-909c9abafdcd level: high logsource: category: process_creation product: windows modified: 2020/09/05 references: - https://twitter.com/SBousseaden/status/1184067445612535811 status: experimental tags: - attack.collection - attack.t1560.001 - attack.exfiltration - attack.t1020 - attack.t1002 yml_filename: win_susp_compression_params.yml yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation