alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Tech Support Phone Scam Landing M5 Jun 3"; flow:from_server,established; http.stat_code; content:"200"; http.content_type; content:"text/html"; startswith; file.data; content:"// escape function context"; nocase; content:"// necessary to prevent infinite loop"; nocase; distance:0; content:"// that kills your browser"; nocase; distance:0; fast_pattern; content:"// pressing leave will still leave, but the GET may be fired first anyway"; nocase; distance:0; classtype:social-engineering; sid:2022854; rev:4; metadata:created_at 2016_06_03, confidence High, signature_severity Minor, updated_at 2020_09_01;)