ET MALWARE Observed Lumma Stealer Related Domain (contextsuffreintymore .fun in TLS SNI)
Sourceet/open
CreatedJanuary 16, 2024
UpdatedApril 15, 2024
Classificationdomain-c2
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Lumma Stealer Related Domain (contextsuffreintymore .fun in TLS SNI)"; flow:established,to_server; tls.sni; bsize:25; content:"contextsuffreintymore.fun"; fast_pattern; reference:md5,a105e53b26d14ee11b4099ca980c3a66; classtype:domain-c2; sid:2050077; rev:2; metadata:attack_target Client_Endpoint, created_at 2024_01_16, deployment Perimeter, deprecation_reason Age, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_15, reviewed_at 2024_04_15, 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 | a105e53b26d14ee11b4099ca980c3a66 |
Metadata
attack targetClient_Endpoint
created at2024_01_16
deploymentPerimeter
deprecation reasonAge
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_04_15
reviewed at2024_04_15
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol
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