alert http $HOME_NET any -> any any (msg:"AT related malicious URL (ins-tagram .com/h5/)"; flow:established,to_server; http.uri; content:"/h5/"; startswith; fast_pattern; http.host; content:"ins-tagram.com"; endswith; reference:url,phishstats.info; reference:url,github.com/julioliraup/Antiphishing; reference:url,julioliraup.github.io/ET/signature.html?sid=6001617; classtype:social-engineering; sid:6001617; rev:2; metadata:signature_severity Major, created_et 2026_05_11;)