alert http $HOME_NET any -> any any (msg:"AT related malicious URL (short.im/opdhfog)"; flow:established,to_server; http.uri; content:"/opdhfog"; startswith; fast_pattern; http.host; content:"short.im"; endswith; reference:url,phishstats.info; reference:url,julioliraup.github.io/ET/signature.html?sid=6003463; classtype:social-engineering; sid:6003463; rev:1; metadata:signature_severity Major, created_et 2026_05_19;)