Versions (2)
Version DetailsCurrent
Rev: 1 • Feb 13, 2026, 12:00 PMET MALWARE Observed SHubv2.0 Domain (imper-strlk5 .com in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed SHubv2.0 Domain (imper-strlk5 .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".imper-strlk5.com"; endswith; fast_pattern; classtype:trojan-activity; sid:2067678; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_02_13, deployment Perimeter, malware_family SHub, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_02_13;)
Feb 13, 2026, 12:00 PM
Feb 13, 2026, 12:00 PM
Feb 13, 2026, 10:34 PM
Feb 16, 2026, 10:35 PM
rules/emerging-malware.rules