Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32.Raccoon Stealer CnC Domain in TLS SNI (rpirpiwhyyouleaveyourhorse .top)"; flow:established,to_server; tls.sni; content:"rpirpiwhyyouleaveyourhorse.top"; bsize:30; fast_pattern; classtype:domain-c2; sid:2032317; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_03_24, deployment Perimeter, malware_family Raccoon_Stealer, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_03_24, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)