Versions (3)
Version DetailsCurrent
Rev: 1 • Aug 7, 2024, 12:00 PMET MALWARE Observed DeerStealer Domain (authentifficatorgogle .com in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed DeerStealer Domain (authentifficatorgogle .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".authentifficatorgogle.com"; endswith; fast_pattern; reference:url,x.com/anyrun_app/status/1814214775489880271; classtype:trojan-activity; sid:2055023; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_08_07, deployment Perimeter, confidence High, signature_severity Major, updated_at 2024_08_07, reviewed_at 2025_04_15, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Aug 7, 2024, 12:00 PM
Aug 7, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 21, 2024, 3:00 AM
rules/emerging-malware.rules