alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Innostealer Domain (seventyfor .site) in TLS SNI"; flow:established,to_server; tls.sni; bsize:15; content:"seventyfor.site"; fast_pattern; reference:url,twitter.com/JAMESWT_MHT/status/1517822757567971329; reference:url,www.bleepingcomputer.com/news/security/unofficial-windows-11-upgrade-installs-info-stealing-malware/; classtype:trojan-activity; sid:2036376; rev:3; metadata:attack_target Client_Endpoint, created_at 2022_04_25, deployment Perimeter, deprecation_reason Relevance, malware_family Innostealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_03_26;)