cscli scenarios install sigmahq/proc_creation_win_regsvr32_http_ip_pattern1type: trigger2name: sigmahq/proc_creation_win_regsvr32_http_ip_pattern3description: |4 Detects regsvr32 execution to download and install DLLs located remotely where the address is an IP address.5filter: |6 (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.Image endsWith '\\regsvr32.exe' || evt.Parsed.OriginalFileName == 'REGSVR32.EXE') && (evt.Parsed.CommandLine contains ' /i:http://1' || evt.Parsed.CommandLine contains ' /i:http://2' || evt.Parsed.CommandLine contains ' /i:http://3' || evt.Parsed.CommandLine contains ' /i:http://4' || evt.Parsed.CommandLine contains ' /i:http://5' || evt.Parsed.CommandLine contains ' /i:http://6' || evt.Parsed.CommandLine contains ' /i:http://7' || evt.Parsed.CommandLine contains ' /i:http://8' || evt.Parsed.CommandLine contains ' /i:http://9' || evt.Parsed.CommandLine contains ' /i:https://1' || evt.Parsed.CommandLine contains ' /i:https://2' || evt.Parsed.CommandLine contains ' /i:https://3' || evt.Parsed.CommandLine contains ' /i:https://4' || evt.Parsed.CommandLine contains ' /i:https://5' || evt.Parsed.CommandLine contains ' /i:https://6' || evt.Parsed.CommandLine contains ' /i:https://7' || evt.Parsed.CommandLine contains ' /i:https://8' || evt.Parsed.CommandLine contains ' /i:https://9' || evt.Parsed.CommandLine contains ' -i:http://1' || evt.Parsed.CommandLine contains ' -i:http://2' || evt.Parsed.CommandLine contains ' -i:http://3' || evt.Parsed.CommandLine contains ' -i:http://4' || evt.Parsed.CommandLine contains ' -i:http://5' || evt.Parsed.CommandLine contains ' -i:http://6' || evt.Parsed.CommandLine contains ' -i:http://7' || evt.Parsed.CommandLine contains ' -i:http://8' || evt.Parsed.CommandLine contains ' -i:http://9' || evt.Parsed.CommandLine contains ' -i:https://1' || evt.Parsed.CommandLine contains ' -i:https://2' || evt.Parsed.CommandLine contains ' -i:https://3' || evt.Parsed.CommandLine contains ' -i:https://4' || evt.Parsed.CommandLine contains ' -i:https://5' || evt.Parsed.CommandLine contains ' -i:https://6' || evt.Parsed.CommandLine contains ' -i:https://7' || evt.Parsed.CommandLine contains ' -i:https://8' || evt.Parsed.CommandLine contains ' -i:https://9'))7blackhole: 2m8#status: test9labels:10 service: windows11 confidence: 112 spoofable: 013 classification:14 - attack.t1218.0101516 label: "Potentially Suspicious Regsvr32 HTTP IP Pattern"17 behavior : "windows:audit"18 remediation: false1920scope:21 type: ParentProcessId22 expression: evt.Parsed.ParentProcessId2324