ThreatFox botnet C2 traffic (domain - confidence level: 75%)
Sourceabuse.ch/threatfox
CreatedDecember 3, 2025
UpdatedDecember 3, 2025
Classificationtrojan-activity
alert dns $HOME_NET any -> $EXTERNAL_NET any (msg:"ThreatFox botnet C2 traffic (domain - confidence level: 75%)"; dns_query; content:"flowbilding.ydns.eu"; depth:19; fast_pattern; isdataat:!1,relative; nocase; reference:url, threatfox.abuse.ch/ioc/1666860/; target:src_ip; metadata:confidence_level 75, first_seen 2025_12_03; classtype:trojan-activity; sid:91666860; rev:1;)
References
Metadata
confidence level75
first seen2025_12_03
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