alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Tech Support Phone Scam Landing Dec 30 M2"; flow:established,to_client; file.data; content:"/sound.mp3"; fast_pattern; nocase; content:"function goodbye"; nocase; distance:0; content:"DetectMobile()"; nocase; distance:0; content:"stopPropagation"; nocase; distance:0; content:"preventDefault"; nocase; distance:0; classtype:social-engineering; sid:2022320; rev:4; metadata:created_at 2015_12_30, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_14;)