ET MALWARE Observed StealC Domain (hqweb .id .vn in TLS SNI)
Sourceet/open
CreatedJanuary 22, 2026
UpdatedJanuary 22, 2026
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed StealC Domain (hqweb .id .vn in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".hqweb.id.vn"; endswith; fast_pattern; classtype:trojan-activity; sid:2066934; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_01_22, deployment Perimeter, malware_family Stealc, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_01_22;)
Metadata
attack targetClient_Endpoint
created at2026_01_22
deploymentPerimeter
malware familyStealc
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2026_01_22
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