alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Fake AV Phone Scam Landing July 23 2015"; flow:to_client,established; file_data; content:"navigator.sayswho"; content:"alertforSecuity"; fast_pattern; distance:0; content:"Firefox"; distance:0; content:"Chrome"; distance:0; content:"Netscape"; distance:0; classtype:social-engineering; sid:2021522; rev:2; metadata:created_at 2015_07_23, signature_severity Unknown, updated_at 2019_07_26;)