alert http $HOME_NET any -> any any (msg:"AT related malicious URL (ubiiclou.info/aU4VXCP6/)"; flow:established,to_server; http.uri; content:"/aU4VXCP6/"; startswith; fast_pattern; http.host; content:"ubiiclou.info"; endswith; reference:url,openphish.com; reference:url,julioliraup.github.io/ET/signature.html?sid=6006031; classtype:social-engineering; sid:6006031; rev:1; metadata:signature_severity Major, created_et 2026_05_23;)