Rule History

alert dns any any -> $HOME_NET any (msg:"ET DNS Reply Sinkhole - sinkhole.cert.pl 148.81.111.111"; content:"|00 01 00 01|"; content:"|00 04 94 51 6f 6f|"; distance:4; within:6; classtype:trojan-activity; sid:2016413; rev:5; metadata:created_at 2013_02_15, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_13;)