ET MALWARE Lookup of Algorithm Generated Zeus CnC Domain (DGA)
Sourceet/open
CreatedMarch 13, 2012
UpdatedDecember 16, 2025
Classificationcommand-and-control
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Lookup of Algorithm Generated Zeus CnC Domain (DGA)"; byte_test:1,!&,0xF8,2; dns.query; content:".ru"; nocase; endswith; pcre:"/^(?:([a-z0-9])(?!\1)){33,}\.ru$/"; classtype:command-and-control; sid:2014363; rev:10; metadata:created_at 2012_03_13, deprecation_reason False_Positive, performance_impact Significant, confidence High, signature_severity Major, updated_at 2025_12_16;)
Metadata
created at2012_03_13
deprecation reasonFalse_Positive
performance impactSignificant
confidenceHigh
signature severityMajor
updated at2025_12_16
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