alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Fake AV Phone Scam Landing Feb 2"; flow:established,to_client; http.stat_code; content:"200"; http.content_type; content:"text/html"; startswith; file.data; content:"<title> Microsoft Official Support <"; fast_pattern; nocase; content:"var stroka"; nocase; distance:0; content:"wM/8AAEQgADQCgAwEiAAIRAQMRAf/dAAQACv/EAT8AAAEFAQEBAQEBAAAAAAAAAAMAAQIE"; distance:0; classtype:social-engineering; sid:2023869; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_02_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_03_02;)