ET MALWARE Observed Cytrox Predator Spyware Related Domain (southchinapost .net in TLS SNI)
Sourceet/open
CreatedOctober 11, 2023
UpdatedNovember 10, 2023
Classificationdomain-c2
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Cytrox Predator Spyware Related Domain (southchinapost .net in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".southchinapost.net"; endswith; fast_pattern; reference:url,citizenlab.ca/2023/10/predator-spyware-targets-us-eu-lawmakers-journalists/; reference:url,blog.sekoia.io/active-lycantrox-infrastructure-illumination/; classtype:domain-c2; sid:2048535; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_10_11, deployment Perimeter, deprecation_reason Relevance, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_10, reviewed_at 2023_11_10, 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 at2023_10_11
deploymentPerimeter
deprecation reasonRelevance
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2023_11_10
reviewed at2023_11_10
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol
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