alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"🐾 - ℹ PDF Creator / PDF Architect 📙"; flow:to_server, stateless; threshold:type limit, track by_src,count 1, seconds 86400; tls_sni; content:"pdfarchitect.org"; nocase; ja3.hash; content:"f436b9416f37d134cadd04886327d3e8"; reference:url,https://www.pdfforge.org/pdfarchitect; metadata:created_at 2021_08_12, updated_at 2022_06_15; sid:3300769; rev:9; classtype:misc-activity;)