alert dns $HOME_NET any -> any any (msg:"ET MALWARE Chanitor Variant .onion Proxy Domain"; dns.query; content:"ukzo73z4inzpenmq"; depth:16; nocase; fast_pattern; reference:md5,53752a41ed21172343f678423d6c9a44; classtype:trojan-activity; sid:2020458; rev:4; metadata:created_at 2015_02_17, confidence High, signature_severity Major, updated_at 2020_09_01;)