ET MALWARE Observed Fenix Botnet Domain (citas-sat2023 .com .mx in TLS SNI)

SID: 2051731Rev: 139 viewsHistory

Sourceet/open

CreatedMarch 20, 2024

UpdatedMarch 20, 2024

Classificationtrojan-activity

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Fenix Botnet Domain (citas-sat2023 .com .mx in TLS SNI)"; flow:established,to_server; tls.sni; bsize:20; content:"citas-sat2023.com.mx"; fast_pattern; reference:url,www.metabaseq.com/fenix-botnet/; classtype:trojan-activity; sid:2051731; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_03_20, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_20, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)

References

url	www.metabaseq.com/fenix-botnet/

Metadata

attack targetClient_Endpoint

created at2024_03_20

deploymentPerimeter

confidenceHigh

signature severityMajor

tagDescription_Generated_By_Proofpoint_Nexus

updated at2024_03_20

mitre tactic idTA0011

mitre tactic nameCommand_And_Control

mitre technique idT1071

mitre technique nameApplication_Layer_Protocol

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