alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Fake AV Phone Scam Landing Nov 20"; flow:established,from_server; file_data; content:"<title>VIRUS WARNING"; fast_pattern; nocase; content:"onload=|22|myFunction()|22|"; nocase; content:"YOUR COMPUTER HAS BEEN BLOCKED"; nocase; content:"CALL IMMEDIATLY"; nocase; content:"|5c 6e 5c 6e 5c 6e 5c 6e 5c 6e 5c 6e 5c 6e 5c 6e 5c 6e|"; nocase; classtype:social-engineering; sid:2022125; rev:3; metadata:created_at 2015_11_21, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_08_16;)