alert dns any any -> $HOME_NET any (msg:"ET MALWARE DNS Reply Sinkhole - IP - 161.69.13.44"; content:"|00 01 00 01|"; content:"|00 04 A1 45 0D 2C|"; distance:4; within:6; content:!"|07|sa-live|03|com"; classtype:trojan-activity; sid:2019508; rev:4; metadata:created_at 2014_10_27, confidence High, signature_severity Major, updated_at 2022_07_13, reviewed_at 2024_03_21;)