ET MALWARE Observed TrustConnect RAT Domain (trustconnectsoftware .com in TLS SNI)

7.0.35.0SID: 2067352Rev: 2Enabled3 views
Sourceet/open
Fileemerging-malware.rules
CreatedFebruary 6, 2026
UpdatedFebruary 17, 2026
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed TrustConnect RAT Domain (trustconnectsoftware .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".trustconnectsoftware.com"; endswith; fast_pattern; classtype:trojan-activity; sid:2067352; rev:2; metadata:attack_target Client_Endpoint, created_at 2026_02_06, deployment Perimeter, malware_family TrustConnect, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_02_17;)

Metadata

attack targetClient_Endpoint
created at2026_02_06
deploymentPerimeter
malware familyTrustConnect
confidenceHigh
signature severityCritical
tagDescription_Generated_By_Proofpoint_Nexus
updated at2026_02_17

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