ET MALWARE Observed DNS Query to OtterCookie Domain (alchemy-api-v3 .cloud)
Sourceet/open
CreatedMarch 5, 2025
UpdatedApril 15, 2025
Classificationtrojan-activity
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to OtterCookie Domain (alchemy-api-v3 .cloud)"; dns.query; dotprefix; content:".alchemy-api-v3.cloud"; nocase; endswith; reference:url,jp.security.ntt/tech_blog/en-contagious-interview-ottercookie; classtype:trojan-activity; sid:2060626; rev:2; metadata:attack_target Client_Endpoint, created_at 2025_03_05, deployment Perimeter, deprecation_reason Age, malware_family OtterCookie, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_04_15, reviewed_at 2025_04_15;)
Metadata
attack targetClient_Endpoint
created at2025_03_05
deploymentPerimeter
deprecation reasonAge
malware familyOtterCookie
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2025_04_15
reviewed at2025_04_15
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