ET MALWARE TryNodeRAT CnC Domain in TLS SNI (storage-files-api .workers .dev)
Sourceet/open
Fileemerging-malware.rules
CreatedOctober 15, 2026
UpdatedOctober 15, 2026
Classificationdomain-c2
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TryNodeRAT CnC Domain in TLS SNI (storage-files-api .workers .dev)"; flow:established,to_server ; tls.sni; dotprefix; content:".storage-files-api.workers.dev"; endswith; fast_pattern; classtype:domain-c2; sid:2072500; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2026_10_15, deployment Perimeter, malware_family TryNodeRAT, performance_impact Low, confidence High, signature_severity Major, tag RAT, tag c2, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_10_15;)
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2026_10_15
deploymentPerimeter
malware familyTryNodeRAT
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2026_10_15
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