alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Fake Virus Phone Scam Landing Nov 4 M2"; flow:established,from_server; file_data; content:"<title>SYSTEM ERROR WARNING"; nocase; fast_pattern; content:"Window's Defender"; nocase; distance:0; content:"right-click has been disabled"; nocase; distance:0; classtype:social-engineering; sid:2022030; rev:4; metadata:created_at 2015_11_04, confidence High, signature_severity Minor, updated_at 2022_03_17;)