ET MALWARE Observed Malicious Domain Targeting Minority Groups (tcahf .org in TLS SNI)
Sourceet/open
CreatedMay 27, 2021
UpdatedMay 27, 2021
Classificationdomain-c2
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Malicious Domain Targeting Minority Groups (tcahf .org in TLS SNI)"; flow:established,to_server; tls.sni; content:"tcahf.org"; bsize:9; fast_pattern; reference:url,research.checkpoint.com/2021/uyghurs-a-Turkic-ethnic-minority-in-china-targeted-via-fake-foundations/; classtype:domain-c2; sid:2033041; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_05_27, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_27, 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_05_27
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2021_05_27
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol
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