Rule History

SID: 2009701 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • Jul 30, 2010, 12:00 PM

Message:

ET DOS DNS BIND 9 Dynamic Update DoS attempt

Rule:

alert udp any any -> any 53 (msg:"ET DOS DNS BIND 9 Dynamic Update DoS attempt"; byte_test:1,&,40,2; byte_test:1,>,0,5; byte_test:1,>,0,1; content:"|00 00 06|"; offset:8; content:"|c0 0c 00 ff|"; distance:2; reference:cve,2009-0696; classtype:attempted-dos; sid:2009701; rev:2; metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, updated_at 2024_01_03;)

Created:

Jul 30, 2010, 12:00 PM

Updated:

Jan 3, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-dos.rules