Versions (5)
Version DetailsCurrent
Rev: 1 • Jul 25, 2021, 12:00 PMET MALWARE RustyBuer CnC Domain in SNI
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE RustyBuer CnC Domain in SNI"; flow:to_server,established; tls.sni; content:"shipmentofficedepot.com"; endswith; classtype:domain-c2; sid:2033415; rev:1; metadata:created_at 2021_07_25, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_25;)
Jul 25, 2021, 12:00 PM
Jul 25, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 9, 2025, 9:34 PM
rules/emerging-malware.rules