alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed TraderTraitor Domain (cryptais .com) in TLS SNI"; flow:established,to_server; tls.sni; bsize:12; content:"cryptais.com"; fast_pattern; reference:url,gist.github.com/travisbgreen/ae016d1b17da164d10935f84c61754fb; reference:url,www.ic3.gov/Media/News/2022/220418.pdf; classtype:trojan-activity; sid:2036402; rev:3; metadata:attack_target Client_Endpoint, created_at 2022_04_27, deployment Perimeter, deprecation_reason Relevance, malware_family TraderTraitor, malware_family Lazurus, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_03_26;)