alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO OpenSea API Query NFT Discovery Details (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/api/v1/collections?asset_owner=0x"; startswith; http.host; bsize:14; content:"api.opensea.io"; fast_pattern; classtype:misc-activity; sid:2039621; rev:2; metadata:created_at 2022_11_02, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_26, reviewed_at 2025_10_24;)