Versions (4)
Version DetailsCurrent
Rev: 1 • Apr 29, 2021, 12:00 PMET MALWARE PurpleFox EK Landing Page Domain in SNI
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE PurpleFox EK Landing Page Domain in SNI"; flow:to_server,established; tls.sni; content:"lingering-math-ec29.7axrg.workers.dev"; endswith; classtype:exploit-kit; sid:2032889; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_04_29, deployment Perimeter, malware_family PurpleFox, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_29;)
Apr 29, 2021, 12:00 PM
Apr 29, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 12, 2025, 9:34 PM
rules/emerging-malware.rules