ET MALWARE Observed Magecart Skimmer Domain (cloudflare-cdnjs .com in TLS SNI)
Sourceet/open
CreatedJuly 23, 2021
UpdatedJuly 23, 2021
Classificationdomain-c2
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Magecart Skimmer Domain (cloudflare-cdnjs .com in TLS SNI)"; flow:established,to_server; tls.sni; content:"cloudflare-cdnjs.com"; bsize:20; fast_pattern; reference:url,twitter.com/MBThreatIntel/status/1416101496022724609; reference:url,twitter.com/AffableKraut/status/1408512205289660429; classtype:domain-c2; sid:2033398; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_07_23, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_23, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
References
Metadata
attack targetClient_Endpoint
created at2021_07_23
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2021_07_23
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol
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