alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Observed UNK_SparkyCarp Domain in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".accshieldportal.com"; endswith; fast_pattern; classtype:trojan-activity; sid:2063456; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_06_13, deployment Perimeter, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag UNK_SparkyCarp, tag AI_Generated_Description, updated_at 2025_07_14, former_sid 2862160;)