cscli scenarios install sigmahq/proc_creation_win_susp_script_exec_from_temp1type: trigger2name: sigmahq/proc_creation_win_susp_script_exec_from_temp3description: |4 Detects a suspicious script executions from temporary folder5filter: |6 (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.Image endsWith '\\powershell.exe' || evt.Parsed.Image endsWith '\\pwsh.exe' || evt.Parsed.Image endsWith '\\mshta.exe' || evt.Parsed.Image endsWith '\\wscript.exe' || evt.Parsed.Image endsWith '\\cscript.exe') && (evt.Parsed.CommandLine contains '\\Windows\\Temp' || evt.Parsed.CommandLine contains '\\Temporary Internet' || evt.Parsed.CommandLine contains '\\AppData\\Local\\Temp' || evt.Parsed.CommandLine contains '\\AppData\\Roaming\\Temp' || evt.Parsed.CommandLine contains '%TEMP%' || evt.Parsed.CommandLine contains '%TMP%' || evt.Parsed.CommandLine contains '%LocalAppData%\\Temp') && not (evt.Parsed.CommandLine contains ' >' || evt.Parsed.CommandLine contains 'Out-File' || evt.Parsed.CommandLine contains 'ConvertTo-Json' || evt.Parsed.CommandLine contains '-WindowStyle hidden -Verb runAs' || evt.Parsed.CommandLine contains '\\Windows\\system32\\config\\systemprofile\\AppData\\Local\\Temp\\Amazon\\EC2-Windows\\'))7blackhole: 2m8#status: test9labels:10 service: windows11 confidence: 112 spoofable: 013 classification:14 - attack.t10591516 label: "Suspicious Script Execution From Temp Folder"17 behavior : "windows:audit"18 remediation: false1920scope:21 type: ParentProcessId22 expression: evt.Parsed.ParentProcessId2324