alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Glupteba Domain (ramboclub .net in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".ramboclub.net"; endswith; fast_pattern; classtype:domain-c2; sid:2048373; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_10_02, deployment Perimeter, malware_family Glupteba, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_10_02, reviewed_at 2023_10_02;)

Metadata
affected_product	Windows_XP_Vista_7_8_10_Server_32_64_Bit
attack_target	Client_Endpoint
created_at	2023_10_02
deployment	Perimeter
malware_family	Glupteba
performance_impact	Low
confidence	High
signature_severity	Major
updated_at	2023_10_02
reviewed_at	2023_10_02