alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Tech Support Phone Scam Landing M2 Jul 7"; flow:established,to_client; http.stat_code; content:"200"; http.content_type; content:"text/html"; startswith; file.data; content:"default_number|3b|"; nocase; distance:0; content:"default_plain_number|3b|"; fast_pattern; nocase; distance:0; content:"plain_number|3b|"; nocase; distance:0; content:"loco_params|3b|"; nocase; distance:0; content:"loco|3b|"; nocase; distance:0; classtype:social-engineering; sid:2022955; rev:4; metadata:attack_target Client_Endpoint, created_at 2016_07_07, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Phishing, updated_at 2024_02_28;)