Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Webhook/HTTP Request Inspection Service Domain (.curlhub .io in TLS SNI)"; flow:established,to_server; tls.sni; content:".curlhub.io"; endswith; fast_pattern; classtype:misc-activity; sid:2047769; rev:1; metadata:created_at 2023_08_26, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_08_26, reviewed_at 2023_08_26, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1567, mitre_technique_name Exfiltration_Over_Web_Service; target:src_ip;)