ET INFO Observed FingerprintJS Domain (openfpcdn .io in TLS SNI)Source: et/open
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed FingerprintJS Domain (openfpcdn .io in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".openfpcdn.io"; endswith; fast_pattern; threshold:type limit,seconds 300,count 1,track by_src; reference:url,github.com/fingerprintjs/cdn; classtype:misc-activity; sid:2049251; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_11_17, deployment Perimeter, former_category INFO, signature_severity Informational, updated_at 2023_11_17;)
Reference
URLhttp://github.com/fingerprintjs/cdn
Metadata
attack_targetClient_Endpoint
created_at2023_11_17
deploymentPerimeter
former_categoryINFO
signature_severityInformational
updated_at2023_11_17