ET MALWARE Win32/Lumma Stealer Related CnC Domain in DNS Lookup (chuckyr .cyou)

SID: 2067496Rev: 10 views
Sourceet/open
CreatedFebruary 11, 2026
UpdatedFebruary 11, 2026
Classificationdomain-c2
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Win32/Lumma Stealer Related CnC Domain in DNS Lookup (chuckyr .cyou)"; dns.query; bsize:12; content:"chuckyr.cyou"; fast_pattern; nocase; reference:md5,4b516722855c03ddd722c685d439be4c; classtype:domain-c2; sid:2067496; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_02_11, deployment Perimeter, deployment Internal, malware_family Lumma_Stealer, confidence High, signature_severity Major, updated_at 2026_02_11, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)

References

md5
4b516722855c03ddd722c685d439be4c
Google SearchBrave Search

Metadata

attack targetClient_Endpoint
created at2026_02_11
deploymentInternal
malware familyLumma_Stealer
confidenceHigh
signature severityMajor
updated at2026_02_11
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol

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