Versions (3)
Version DetailsCurrent
Rev: 1 • Jul 10, 2023, 12:00 PMET MALWARE Observed Gamaredon Domain (for30 .procellarumbi .ru in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Gamaredon Domain (for30 .procellarumbi .ru in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".for30.procellarumbi.ru"; endswith; fast_pattern; reference:url,twitter.com/Cyber0verload/status/1678151014459879432; reference:url,twitter.com/Cyber0verload/status/1678150909694443520; classtype:domain-c2; sid:2046775; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_07_10, deployment Perimeter, confidence High, signature_severity Major, tag Gamaredon, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_07_10, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Jul 10, 2023, 12:00 PM
Jul 10, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 20, 2025, 9:35 PM
rules/emerging-malware.rules