alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed sLoad Related Domain (angedionisu .eu in TLS SNI)"; flow:established,to_server; tls.sni; content:"angedionisu.eu"; bsize:14; fast_pattern; reference:url,twitter.com/JAMESWT_MHT/status/1491058829903429640; reference:md5,73284816cf3182f446536c380f805b1f; classtype:domain-c2; sid:2035165; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_02_09, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_09, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)