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SID: 2021020 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 2Apr 28, 2015, 12:00 PM

ET DELETED Team Cymru Sinkhole DNS Reply

alert dns any any -> $HOME_NET any (msg:"ET DELETED Team Cymru Sinkhole DNS Reply"; content:"|00 01 00 01|"; content:"|00 04 26 E5 46 04|"; distance:4; within:6; classtype:trojan-activity; sid:2021020; rev:2; metadata:created_at 2015_04_28, signature_severity Unknown, updated_at 2022_07_13;)

Apr 28, 2015, 12:00 PM

Jul 13, 2022, 12:00 PM

Sep 21, 2024, 3:00 AM

May 30, 2025, 12:04 AM

rules/emerging-deleted.rules