ET MALWARE Observed Win32/Lumma Stealer Related Domain (sizefixeds .icu in TLS SNI)
Sourceet/open
CreatedJanuary 24, 2025
UpdatedJanuary 24, 2025
Classificationdomain-c2
alert tls $HOME_NET any -> any any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (sizefixeds .icu in TLS SNI)"; flow:established,to_server; tls.sni; bsize:14; content:"sizefixeds.icu"; fast_pattern; nocase; reference:md5,30f61890c30eb04348fbdc8c450419b6; classtype:domain-c2; sid:2059624; rev:1; metadata:tls_state TLSEncrypt, created_at 2025_01_24, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2025_01_24, 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 | 30f61890c30eb04348fbdc8c450419b6 |
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