cscli scenarios install sigmahq/proc_creation_win_dllhost_no_cli_execution1type: trigger2name: sigmahq/proc_creation_win_dllhost_no_cli_execution3description: |4 Detects a "dllhost" process spawning with no commandline arguments which is very rare to happen and could indicate process injection activity or malware mimicking similar system processes.5filter: |6 (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.Image endsWith '\\dllhost.exe' && (evt.Parsed.CommandLine in ['dllhost.exe', 'dllhost']) && not (evt.Parsed.CommandLine == ''))7blackhole: 2m8#status: test9labels:10 service: windows11 confidence: 112 spoofable: 013 classification:14 - attack.t10551516 label: "Dllhost.EXE Execution Anomaly"17 behavior : "windows:audit"18 remediation: false1920scope:21 type: ParentProcessId22 expression: evt.Parsed.ParentProcessId2324