cscli scenarios install sigmahq/proc_creation_win_wscript_cscript_uncommon_extension_exec1type: trigger2name: sigmahq/proc_creation_win_wscript_cscript_uncommon_extension_exec3description: |4 Detects Wscript/Cscript executing a file with an uncommon (i.e. non-script) extension5filter: |6 (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.OriginalFileName in ['wscript.exe', 'cscript.exe'] || evt.Parsed.Image endsWith '\\wscript.exe' || evt.Parsed.Image endsWith '\\cscript.exe') && (evt.Parsed.CommandLine contains '.csv' || evt.Parsed.CommandLine contains '.dat' || evt.Parsed.CommandLine contains '.doc' || evt.Parsed.CommandLine contains '.gif' || evt.Parsed.CommandLine contains '.jpeg' || evt.Parsed.CommandLine contains '.jpg' || evt.Parsed.CommandLine contains '.png' || evt.Parsed.CommandLine contains '.ppt' || evt.Parsed.CommandLine contains '.txt' || evt.Parsed.CommandLine contains '.xls' || evt.Parsed.CommandLine contains '.xml'))7blackhole: 2m8#status: test9labels:10 service: windows11 confidence: 112 spoofable: 013 classification:14 - attack.t1059.00515 - attack.t1059.0071617 label: "Cscript/Wscript Uncommon Script Extension Execution"18 behavior : "windows:audit"19 remediation: false2021scope:22 type: ParentProcessId23 expression: evt.Parsed.ParentProcessId2425