Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET CURRENT_EVENTS Observed Various Malware Related Domain (adobeacrobatreaderupdate .net in TLS SNI)"; flow:established,to_server; tls.sni; bsize:28; content:"adobeacrobatreaderupdate.net"; fast_pattern; classtype:misc-activity; sid:2052250; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_04_23, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_23;)