Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed PoetRAT Domain (dellgenius .hoptop .org in TLS SNI)"; flow:established,to_server; tls.sni; content:"dellgenius.hoptop.org"; bsize:21; reference:url,blog.talosintelligence.com/2020/04/poetrat-covid-19-lures.html; classtype:domain-c2; sid:2029975; rev:1; metadata:attack_target Client_Endpoint, created_at 2020_04_20, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_04_20, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)