Versions (2)
Version DetailsCurrent
Rev: 7 • Jul 30, 2010, 12:00 PMET DNS Query Responses with 3 RR's set (50+ in 2 seconds) - possible NS RR Cache Poisoning Attempt
alert udp any 53 -> $HOME_NET any (msg:"ET DNS Query Responses with 3 RR's set (50+ in 2 seconds) - possible NS RR Cache Poisoning Attempt"; content:"|85 00 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:2008447; rev:7; metadata:created_at 2010_07_30, signature_severity Minor, updated_at 2019_07_26;)
Jul 30, 2010, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-dns.rules