ET MALWARE Observed Operation Silk Lure Domain (pan .tenire .com in TLS SNI)

SID: 2065252Rev: 10 views
Sourceet/open
CreatedOctober 20, 2025
UpdatedOctober 20, 2025
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Operation Silk Lure Domain (pan .tenire .com in TLS SNI)"; flow:established,to_server; tls.sni; bsize:14; content:"pan.tenire.com"; fast_pattern; reference:url,www.seqrite.com/blog/operation-silk-lure-scheduled-tasks-weaponized-for-dll-side-loading-drops-valleyrat/; classtype:trojan-activity; sid:2065252; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_10_20, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_20;)

References

urlwww.seqrite.com/blog/operation-silk-lure-scheduled-tasks-weaponized-for-dll-side-loading-drops-valleyrat/

Metadata

attack targetClient_Endpoint
created at2025_10_20
deploymentPerimeter
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2025_10_20

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