alert http $HOME_NET any -> any any (msg:"AT related malicious URL (spoo.me/es-santander)"; flow:established,to_server; http.uri; content:"/es-santander"; startswith; fast_pattern; http.host; content:"spoo.me"; endswith; reference:url,openphish.com; reference:url,julioliraup.github.io/AT/signature.html?sid=6012831; classtype:social-engineering; sid:6012831; rev:1; metadata:signature_severity Major, created_et 2026_08_22;)