ET MALWARE Malicious NetSupport CnC Domain in DNS Lookup (dfrgb .fun)
Sourceet/open
Fileemerging-malware.rules
CreatedApril 5, 2023
UpdatedMarch 26, 2024
Classificationcommand-and-control
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Malicious NetSupport CnC Domain in DNS Lookup (dfrgb .fun)"; dns.query; bsize:9; content:"dfrgb.fun"; nocase; classtype:command-and-control; sid:2044893; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_04_05, deployment Perimeter, deprecation_reason Age, malware_family NetSupport_RAT, performance_impact Low, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_26;)
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2023_04_05
deploymentPerimeter
deprecation reasonAge
malware familyNetSupport_RAT
performance impactLow
confidenceHigh
signature severityCritical
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_26
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