ET MALWARE Observed SHubv2.0 Domain (imper-strlk5 .com in TLS SNI)
Sourceet/open
CreatedFebruary 13, 2026
UpdatedFebruary 13, 2026
Classificationtrojan-activity
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;)
Metadata
attack targetClient_Endpoint
created at2026_02_13
deploymentPerimeter
malware familySHub
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2026_02_13
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