ET DOS Likely NTP DDoS In Progress GET_RESTRICT Response to Non-Ephemeral Port IMPL 0x03
Sourceet/open
CreatedAugust 26, 2014
UpdatedJuly 26, 2019
Classificationattempted-dos
alert udp any 123 -> any 0:1023 (msg:"ET DOS Likely NTP DDoS In Progress GET_RESTRICT Response to Non-Ephemeral Port IMPL 0x03"; content:"|00 03 10|"; offset:1; depth:3; byte_test:1,&,128,0; byte_test:1,&,64,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold:type both,track by_src,count 1,seconds 120; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-more-drdos-attacks; reference:url,en.wikipedia.org/wiki/Ephemeral_port; classtype:attempted-dos; sid:2019014; rev:4; metadata:created_at 2014_08_26, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
References
Metadata
created at2014_08_26
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2019_07_26
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