ET MALWARE FIN8 SARDONIC CnC Domain in DNS Lookup (api-cdn .net)

7.0.35.0SID: 2033811Rev: 2Enabled2 views
Sourceet/open
Fileemerging-malware.rules
CreatedAugust 26, 2021
UpdatedMarch 25, 2024
Classificationdomain-c2
alert dns $HOME_NET any -> any any (msg:"ET MALWARE FIN8 SARDONIC CnC Domain in DNS Lookup (api-cdn .net)"; dns.query; bsize:11; content:"api-cdn.net"; nocase; reference:url,www.bitdefender.com/blog/labs/fin8-threat-actor-spotted-once-again-with-new-sardonic-backdoor/; classtype:domain-c2; sid:2033811; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_08_26, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_25;)

References

urlwww.bitdefender.com/blog/labs/fin8-threat-actor-spotted-once-again-with-new-sardonic-backdoor/

Metadata

attack targetClient_Endpoint
created at2021_08_26
deploymentPerimeter
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_25

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