Removed rule. This rule is known, but it is no longer present in its source. Showing the last known version.Removed: Jun 29, 2026, 12:50 PM

ThreatFox botnet C2 traffic (domain - confidence level: 75%)

SID: 91688019Rev: 1EnabledDerived6 viewsHistory
Filethreatfox_suricata.rules
CreatedJune 25, 2026
UpdatedJune 25, 2026
Classificationtrojan-activity
alert dns $HOME_NET any -> $EXTERNAL_NET any (msg:"ThreatFox botnet C2 traffic (domain - confidence level: 75%)"; dns_query; content:"4yyzsm3c107cp.cfc-execute.bj.baidubce.com"; depth:41; fast_pattern; isdataat:!1,relative; nocase; reference:url, threatfox.abuse.ch/ioc/1688019/; target:src_ip; metadata:confidence_level 75, first_seen 2025_12_29; classtype:trojan-activity; sid:91688019; rev:1;)

References

urlthreatfox.abuse.ch/ioc/1688019/

Metadata

confidence level75
first seen2025_12_29

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