Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Glupteba CnC Domain (robloxcdneu .net in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".robloxcdneu.net"; endswith; fast_pattern; reference:md5,d52a5f6d591ea015b18fe22d2dcd92f8; classtype:domain-c2; sid:2046839; rev:1; metadata:created_at 2023_07_18, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_07_18, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)