ET MALWARE FIN7 Related CnC Domain in DNS Lookup (tnskvggujjqfcskwk .com)

7.0.3 5.0SID: 2033897Rev: 3Enabled3 views

Fileemerging-malware.rules

CreatedSeptember 3, 2021

UpdatedMarch 25, 2024

Classificationdomain-c2

alert dns $HOME_NET any -> any any (msg:"ET MALWARE FIN7 Related CnC Domain in DNS Lookup (tnskvggujjqfcskwk .com)"; dns.query; bsize:21; content:"tnskvggujjqfcskwk.com"; nocase; fast_pattern; reference:url,www.anomali.com/blog/cybercrime-group-fin7-using-windows-11-alpha-themed-docs-to-drop-javascript-backdoor; reference:url,twitter.com/Circuitous__/status/1433516145752035331; reference:url,twitter.com/JAMESWT_MHT/status/1433706754555138066; classtype:domain-c2; sid:2033897; rev:3; metadata:attack_target Client_Endpoint, created_at 2021_09_03, deployment Perimeter, confidence High, signature_severity Major, tag FIN7, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_25;)

References

url	www.anomali.com/blog/cybercrime-group-fin7-using-windows-11-alpha-themed-docs-to-drop-javascript-backdoor
url	twitter.com/Circuitous__/status/1433516145752035331
url	twitter.com/JAMESWT_MHT/status/1433706754555138066

Metadata

attack targetClient_Endpoint

created at2021_09_03

deploymentPerimeter

confidenceHigh

signature severityMajor

tagDescription_Generated_By_Proofpoint_Nexus

updated at2024_03_25

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