alert http $HOME_NET any -> any any (msg:"AT related malicious URL (avinfra.in/Li/alibaba)"; flow:established,to_server; http.uri; content:"/Li/alibaba"; startswith; fast_pattern; http.host; content:"avinfra.in"; endswith; reference:url,openphish.com; reference:url,julioliraup.github.io/AT/signature.html?sid=6035219; classtype:social-engineering; sid:6035219; rev:1; metadata:signature_severity Major, created_et 2026_11_06;)