Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Aura Stealer Domain (secondhandcloth .shop in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".secondhandcloth.shop"; endswith; fast_pattern; reference:url,foresiet.com/blog/aura-stealer-malware-analysis/; classtype:trojan-activity; sid:2065876; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_11_21, deployment Perimeter, malware_family AuraStealer, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_21;)