cscli scenarios install sigmahq/proc_creation_win_office_arbitrary_cli_download1type: trigger2name: sigmahq/proc_creation_win_office_arbitrary_cli_download3description: |4 Detects potential arbitrary file download using a Microsoft Office application5filter: |6 (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.Image endsWith '\\EXCEL.EXE' || evt.Parsed.Image endsWith '\\POWERPNT.EXE' || evt.Parsed.Image endsWith '\\WINWORD.exe' || evt.Parsed.OriginalFileName in ['Excel.exe', 'POWERPNT.EXE', 'WinWord.exe']) && (evt.Parsed.CommandLine contains 'http://' || evt.Parsed.CommandLine contains 'https://'))7blackhole: 2m8#status: test9labels:10 service: windows11 confidence: 112 spoofable: 013 classification:14 - attack.t12021516 label: "Potential Arbitrary File Download Using Office Application"17 behavior : "windows:audit"18 remediation: false1920scope:21 type: ParentProcessId22 expression: evt.Parsed.ParentProcessId2324