ET MALWARE CosmicStrand Rootkit Related Domain in DNS Lookup (update .bokts .com)

7.0.35.0SID: 2037964Rev: 2Enabled2 views
Sourceet/open
Fileemerging-malware.rules
CreatedAugust 9, 2022
UpdatedMarch 26, 2024
Classificationdomain-c2
alert dns $HOME_NET any -> any any (msg:"ET MALWARE CosmicStrand Rootkit Related Domain in DNS Lookup (update .bokts .com)"; dns.query; bsize:16; content:"update.bokts.com"; nocase; reference:url,securelist.com/cosmicstrand-uefi-firmware-rootkit/106973/; classtype:domain-c2; sid:2037964; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_08_09, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_26;)

References

urlsecurelist.com/cosmicstrand-uefi-firmware-rootkit/106973/

Metadata

attack targetClient_Endpoint
created at2022_08_09
deploymentPerimeter
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_26

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