alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Fake AV Phone Scam Landing June 17 2015 M1"; flow:established,to_client; file_data; content:"/Alert_files/"; nocase; fast_pattern; content:"Due to a third party application"; nocase; distance:0; content:"iOS is crashed"; nocase; distance:0; classtype:social-engineering; sid:2021294; rev:3; metadata:created_at 2015_06_18, confidence High, signature_severity Minor, updated_at 2019_08_16;)