ET MALWARE Observed Kimsuky/TA406 Domain (iuh234 .medianewsonline .com in TLS SNI)
Sourceet/open
CreatedSeptember 8, 2025
UpdatedSeptember 8, 2025
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Kimsuky/TA406 Domain (iuh234 .medianewsonline .com in TLS SNI)"; flow:established,to_server; tls.sni; bsize:26; content:"iuh234.medianewsonline.com"; fast_pattern; reference:url,x.com/naumovax/status/1965055436039839952; classtype:trojan-activity; sid:2064454; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_09_08, deployment Perimeter, malware_family Kimsuky, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, tag TA406, updated_at 2025_09_08;)
References
Metadata
attack targetClient_Endpoint
created at2025_09_08
deploymentPerimeter
malware familyKimsuky
confidenceHigh
signature severityMajor
tagTA406
updated at2025_09_08
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