ET MALWARE Observed Earth Krahang APT Domain (tfirstdaily .store in TLS SNI)

SID: 2051860Rev: 1178 viewsHistory

Sourceet/open

CreatedMarch 28, 2024

UpdatedMarch 28, 2024

Classificationtrojan-activity

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Earth Krahang APT Domain (tfirstdaily .store in TLS SNI)"; flow:established,to_server; tls.sni; bsize:17; content:"tfirstdaily.store"; fast_pattern; reference:url,www.trendmicro.com/en_us/research/24/c/earth-krahang.html; classtype:trojan-activity; sid:2051860; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_03_28, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_28, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)

References

url	www.trendmicro.com/en_us/research/24/c/earth-krahang.html

Metadata

attack targetClient_Endpoint

created at2024_03_28

deploymentPerimeter

confidenceHigh

signature severityMajor

tagDescription_Generated_By_Proofpoint_Nexus

updated at2024_03_28

mitre tactic idTA0011

mitre tactic nameCommand_And_Control

mitre technique idT1071

mitre technique nameApplication_Layer_Protocol

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