alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE OSX/WireLurker User-agent (globalupdate)"; flow:to_server,established; flowbits:set,ET.WireLurkerUA; http.user_agent; content:"globalupdate"; depth:12; reference:url,researchcenter.paloaltonetworks.com/2014/11/wirelurker-new-era-os-x-ios-malware; classtype:trojan-activity; sid:2019660; rev:5; metadata:created_at 2014_11_06, malware_family OSX_WireLurker, confidence High, signature_severity Major, updated_at 2020_05_13;)