alert http $HOME_NET any -> any any (msg:"AT related malicious URL (luiplky .b-cdn .net/all1 .html)"; flow:established,to_server; http.uri; content:"/all1.html"; startswith; fast_pattern; http.host; content:"luiplky.b-cdn.net"; endswith; reference:url,openphish.com; reference:url,github.com/julioliraup/Antiphishing; reference:url,julioliraup.github.io/AT/signature.html?sid=6001593; classtype:social-engineering; sid:6001593; rev:2; metadata:signature_severity Major, created_et 2026_05_11, updated_et 2026_06_25;)