ET DELETED Possible External Ultrasurf Anonymizer DNS Query

SID: 2008533Rev: 40 views
History
Sourceet/open
CreatedJuly 30, 2010
UpdatedJuly 26, 2019
Classificationpolicy-violation
alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET DELETED Possible External Ultrasurf Anonymizer DNS Query"; content:"|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|"; threshold:type limit, track by_src,count 1, seconds 60; classtype:policy-violation; sid:2008533; rev:4; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Metadata

created at2010_07_30
signature severityUnknown
tagDescription_Generated_By_Proofpoint_Nexus
updated at2019_07_26

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