cscli scenarios install sigmahq/proc_creation_win_svchost_execution_with_no_cli_flags1type: trigger2name: sigmahq/proc_creation_win_svchost_execution_with_no_cli_flags3description: |4 It is extremely abnormal for svchost.exe to spawn without any CLI arguments and is normally observed when a malicious process spawns the process and injects code into the process memory space.5filter: |6 (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.CommandLine endsWith 'svchost.exe' && evt.Parsed.Image endsWith '\\svchost.exe' && not (evt.Parsed.ParentImage endsWith '\\rpcnet.exe' || evt.Parsed.ParentImage endsWith '\\rpcnetp.exe' || evt.Parsed.CommandLine == ''))7blackhole: 2m8#status: test9labels:10 service: windows11 confidence: 112 spoofable: 013 classification:14 - attack.t10551516 label: "Suspect Svchost Activity"17 behavior : "windows:audit"18 remediation: false1920scope:21 type: ParentProcessId22 expression: evt.Parsed.ParentProcessId2324