alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING HiYu - Victim Enrichment Response M3"; flow:established,to_client; http.stat_code; content:"200"; http.response_body; content:"#aHR0cHM6Ly"; fast_pattern; content:"ob3N0Oi"; within:100; reference:url,urlscan.io/result/26b88d69-0fea-4c63-9f29-3c53350c098e/; classtype:social-engineering; sid:2044321; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_02_24, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_24; target:src_ip;)