Versions (2)
Version DetailsCurrent
Rev: 1 • Aug 25, 2025, 12:00 PMET MALWARE Observed TA450 Domain (opluschat .com in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed TA450 Domain (opluschat .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".opluschat.com"; endswith; fast_pattern; classtype:trojan-activity; sid:2064141; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_08_25, deployment Perimeter, confidence High, signature_severity Major, tag TA450, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_25;)
Aug 25, 2025, 12:00 PM
Aug 25, 2025, 12:00 PM
Aug 25, 2025, 9:35 PM
Aug 26, 2025, 9:34 PM
rules/emerging-malware.rules