ET MALWARE Observed CyberHaven Compromised Extension in TLS SNI (lltvmarkets .com)
Sourceet/open
CreatedJanuary 3, 2025
UpdatedJanuary 3, 2025
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed CyberHaven Compromised Extension in TLS SNI (lltvmarkets .com)"; flow:established,to_server; tls.sni; bsize:15; content:"lltvmarkets.com"; fast_pattern; reference:url,www.extensiontotal.com/cyberhaven-incident-live; classtype:trojan-activity; sid:2058916; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2025_01_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_01_03;)
References
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2025_01_03
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2025_01_03
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