cscli scenarios install sigmahq/proc_creation_win_browsers_chromium_headless_file_download1type: trigger2name: sigmahq/proc_creation_win_browsers_chromium_headless_file_download3description: |4 Detects execution of chromium based browser in headless mode using the "dump-dom" command line to download files5filter: |6 (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.Image endsWith '\\brave.exe' || evt.Parsed.Image endsWith '\\chrome.exe' || evt.Parsed.Image endsWith '\\msedge.exe' || evt.Parsed.Image endsWith '\\opera.exe' || evt.Parsed.Image endsWith '\\vivaldi.exe') && evt.Parsed.CommandLine contains '--headless' && evt.Parsed.CommandLine contains 'dump-dom' && evt.Parsed.CommandLine contains 'http')7blackhole: 2m8#status: test9labels:10 service: windows11 confidence: 112 spoofable: 013 classification:14 - attack.t11051516 label: "File Download with Headless Browser"17 behavior : "windows:audit"18 remediation: false1920scope:21 type: ParentProcessId22 expression: evt.Parsed.ParentProcessId2324