alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed IcedID Loader Related Domain in TLS SNI"; flow:established,to_server; tls.sni; bsize:18; content:"wikistarhmania.com"; fast_pattern; reference:url,medium.com/walmartglobaltech/icedid-gets-loaded-af073b7b6d39; classtype:domain-c2; sid:2048732; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_10_23, deployment Perimeter, malware_family IcedID, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_27, reviewed_at 2023_11_27, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)