ET MALWARE Observed Venom Spider/TA4557 Domain (host .moresecurity .kz in TLS SNI)
Sourceet/open
CreatedMay 14, 2025
UpdatedMay 14, 2025
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Venom Spider/TA4557 Domain (host .moresecurity .kz in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".host.moresecurity.kz"; endswith; fast_pattern; reference:url,arcticwolf.com/resources/blog/venom-spider-uses-server-side-polymorphism-to-weave-a-web-around-victims/; classtype:trojan-activity; sid:2062352; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_05_14, deployment Perimeter, confidence High, signature_severity Major, tag TA4557, tag VenomSpider, tag AI_Generated_Description, updated_at 2025_05_14;)
References
Metadata
attack targetClient_Endpoint
created at2025_05_14
deploymentPerimeter
confidenceHigh
signature severityMajor
tagAI_Generated_Description
updated at2025_05_14
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