ET MALWARE Observed TrustConnect Domain in TLS SNI (softconnectsoftware .com)
Sourceet/open
CreatedFebruary 23, 2026
UpdatedFebruary 23, 2026
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed TrustConnect Domain in TLS SNI (softconnectsoftware .com)"; flow:established,to_server; tls.sni; dotprefix; content:".softconnectsoftware.com"; endswith; fast_pattern; classtype:trojan-activity; sid:2067877; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_02_23, deployment Perimeter, malware_family TrustConnect, confidence High, signature_severity Critical, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_02_23;)
Metadata
attack targetClient_Endpoint
created at2026_02_23
deploymentPerimeter
malware familyTrustConnect
confidenceHigh
signature severityCritical
tagDescription_Generated_By_Proofpoint_Nexus
updated at2026_02_23
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