ET MALWARE Observed Lumma Stealer Related Domain (sweetcalcutangkdow .xyz in TLS SNI)
Sourceet/open
CreatedJune 28, 2024
UpdatedAugust 5, 2025
Classificationdomain-c2
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Lumma Stealer Related Domain (sweetcalcutangkdow .xyz in TLS SNI)"; flow:established,to_server; tls.sni; bsize:22; content:"sweetcalcutangkdow.xyz"; fast_pattern; reference:md5,778a42a60b8bc2765df62cf4e4b5d526; classtype:domain-c2; sid:2054128; rev:3; metadata:tls_state TLSEncrypt, created_at 2024_06_28, deployment Perimeter, malware_family Lumma_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_08_05, reviewed_at 2025_08_05, 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 | 778a42a60b8bc2765df62cf4e4b5d526 |
Metadata
tls stateTLSEncrypt
created at2024_06_28
deploymentPerimeter
malware familyLumma_Stealer
performance impactLow
confidenceHigh
signature severityMajor
updated at2025_08_05
reviewed at2025_08_05
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol
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