Versions (3)
Version DetailsCurrent
Rev: 1 • Mar 14, 2024, 12:00 PMET MALWARE Observed Expiro Domain (htwqzczce .biz in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Expiro Domain (htwqzczce .biz in TLS SNI)"; flow:established,to_server; tls.sni; bsize:13; content:"htwqzczce.biz"; fast_pattern; reference:url,twitter.com/tosscoinwitcher/status/1768337500211446074; classtype:trojan-activity; sid:2051662; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_03_14, deployment Perimeter, malware_family Expiro, confidence High, signature_severity Major, updated_at 2024_08_19, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Mar 14, 2024, 12:00 PM
Aug 19, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules