ET MALWARE Observed DNS Query to TrustConnect Domain (win-sys-health .com)
Sourceet/open
CreatedMarch 5, 2026
UpdatedMarch 5, 2026
Classificationtrojan-activity
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to TrustConnect Domain (win-sys-health .com)"; dns.query; dotprefix; content:".win-sys-health.com"; nocase; endswith; reference:url,www.proofpoint.com/us/blog/threat-insight/dont-trustconnect-its-a-rat; classtype:trojan-activity; sid:2068012; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_03_05, deployment Perimeter, malware_family TrustConnect, confidence High, signature_severity Critical, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_03_05;)
Metadata
attack targetClient_Endpoint
created at2026_03_05
deploymentPerimeter
malware familyTrustConnect
confidenceHigh
signature severityCritical
tagDescription_Generated_By_Proofpoint_Nexus
updated at2026_03_05
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