Versions (3)
Version DetailsCurrent
Rev: 1 • May 23, 2024, 12:00 PMET MALWARE Observed Remcos Related Domain (bbhmeetre1ms .freeddns .org in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Remcos Related Domain (bbhmeetre1ms .freeddns .org in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".bbhmeetre1ms.freeddns.org"; endswith; fast_pattern; reference:url,twitter.com/karol_paciorek/status/1793596358819274815; classtype:trojan-activity; sid:2052858; rev:1; metadata:tls_state plaintext, created_at 2024_05_23, deployment Perimeter, malware_family Remcos, confidence High, signature_severity Major, updated_at 2024_05_23, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
May 23, 2024, 12:00 PM
May 23, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 21, 2024, 3:00 AM
rules/emerging-malware.rules