Versions (2)
Version DetailsCurrent
Rev: 1 • Jun 30, 2025, 12:00 PMET MALWARE Observed BitterAPT CnC Domain (ebeninstallsvc .com) in TLS SNI
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed BitterAPT CnC Domain (ebeninstallsvc .com) in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".ebeninstallsvc.com"; endswith; fast_pattern; reference:url,www.ctfiot.com/219079.html; reference:url,x.com/ViriBack/status/1937465516873887999; classtype:domain-c2; sid:2063242; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2025_06_30, deployment Perimeter, malware_family KugelBlitz, malware_family Kiwi2_0, performance_impact Low, confidence High, signature_severity Major, tag BitterAPT, tag APT_C_08, updated_at 2025_06_30, mitre_tactic_id TA0037, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)
Jun 30, 2025, 12:00 PM
Jun 30, 2025, 12:00 PM
Jun 30, 2025, 8:34 PM
Nov 7, 2025, 9:34 PM
rules/emerging-malware.rules