alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Fake AV Phone Scam Landing Oct 29"; flow:established,to_client; http.content_type; content:"text/html"; startswith; file.data; content:"<title>WARNING! Windows Update Required"; nocase; fast_pattern; content:"Call US Toll Free|20 3a 20|1-877"; nocase; distance:0; content:"System connected with OVERSEAS IP Address"; nocase; distance:0; content:"YOUR COMPUTER HAS BEEN LOCKED!!"; nocase; distance:0; reference:url,threatglass.com/malicious_urls/funu-info; classtype:social-engineering; sid:2022010; rev:4; metadata:created_at 2015_10_29, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_02;)