ET DNS Query Responses with 3 RR's set (50+ in 2 seconds) - possible A RR Cache Poisoning Attempt
Sourceet/open
CreatedJuly 30, 2010
UpdatedJuly 26, 2019
Classificationbad-unknown
alert udp any 53 -> $HOME_NET any (msg:"ET DNS Query Responses with 3 RR's set (50+ in 2 seconds) - possible A RR Cache Poisoning Attempt"; content:"|81 80 00 01 00 01 00 01|"; offset:2; depth:8; threshold:type both, track by_src, count 50, seconds 2; reference:url,infosec20.blogspot.com/2008/07/kaminsky-dns-cache-poisoning-poc.html; classtype:bad-unknown; sid:2008475; rev:4; metadata:created_at 2010_07_30, signature_severity Minor, updated_at 2019_07_26;)
Metadata
created at2010_07_30
signature severityMinor
updated at2019_07_26
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