alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE IOS.Oneclickfraud HTTP Host"; flow:to_server,established; http.host; content:"eroeroou.com"; startswith; reference:url,www.symantec.com/security_response/writeup.jsp?docid=2015-060111-2757-99&tabid=2; classtype:trojan-activity; sid:2021187; rev:3; metadata:created_at 2015_06_05, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_22;)