Rule History

alert dns any any -> $HOME_NET any (msg:"ET MALWARE DNS Reply Sinkhole Microsoft NO-IP Domain"; content:"|00 01 00 01|"; content:"|00 04 cc 5f 63|"; distance:4; within:5; classtype:trojan-activity; sid:2018642; rev:3; metadata:created_at 2014_07_04, confidence High, signature_severity Major, updated_at 2022_07_13, reviewed_at 2024_03_07;)