Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Query to FingerprintJS (GET)"; flow:established,to_server; urilen:8; http.method; content:"GET"; http.uri; content:"/botd/v1"; http.host; content:"openfpcdn.io"; bsize:12; fast_pattern; threshold:type limit,seconds 300,count 1,track by_src; reference:url,github.com/fingerprintjs/cdn; classtype:misc-activity; sid:2049252; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_11_17, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_17;)