alert http $HOME_NET any -> any any (msg:"AT related malicious URL (dpd.dpdccak.cfd/co.uk/)"; flow:established,to_server; http.uri; content:"/co.uk/"; startswith; fast_pattern; http.host; content:"dpd.dpdccak.cfd"; endswith; reference:url,phishstats.info; reference:url,julioliraup.github.io/AT/signature.html?sid=6001069; classtype:social-engineering; sid:6001069; rev:1; metadata:signature_severity Major, created_et 2026_07_31;)