alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Unknown VBScript Loader with Encoded PowerShell Execution Inbound"; flow:established,from_server; http.stat_code; content:"200"; file.data; content:"powershell"; nocase; content:"-e"; within:40; nocase; content:".Get|28 22|Win32_ProcessStartup|22 29|"; distance:0; nocase; fast_pattern; content:"Process.Create|28|"; distance:0; nocase; reference:md5,f17e15a9d28a85bd41d74233859d4df4; classtype:trojan-activity; sid:2027374; rev:4; metadata:created_at 2019_05_23, confidence Medium, signature_severity Major, tag Loader, updated_at 2020_11_18;)