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Rule History

SID: 2016420 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 7Feb 16, 2013, 12:00 PM

ET DNS Reply Sinkhole - German Company

alert dns any any -> $HOME_NET any (msg:"ET DNS Reply Sinkhole - German Company"; content:"|00 01 00 01|"; content:"|00 04 52 a5 19 a7|"; distance:4; within:6; reference:url,virustracker.info; classtype:trojan-activity; sid:2016420; rev:7; metadata:created_at 2013_02_16, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_13;)

Feb 16, 2013, 12:00 PM

Jul 13, 2022, 12:00 PM

Sep 21, 2024, 3:00 AM

Jan 12, 2026, 10:34 PM

rules/emerging-dns.rules