alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Tech Support Phone Scam Landing Dec 30 M1"; flow:to_client,established; file_data; content:"/windowslogo.jpg"; fast_pattern; nocase; content:"/winborder.html"; nocase; distance:0; content:"bug1.html"; nocase; distance:0; content:"infected your system"; nocase; distance:0; content:"TCP connection already exists"; nocase; distance:0; content:"TOLL FREE"; nocase; distance:0; classtype:social-engineering; sid:2022319; rev:3; metadata:created_at 2015_12_30, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_08_16;)