alert dns $HOME_NET any -> any any (msg:"ET MALWARE ABUSE.CH TorrenLocker Payment Domain Detected"; dns.query; content:"4w5wihkwyhsav2ha"; depth:16; fast_pattern; nocase; reference:url,ransomwaretracker.abuse.ch; classtype:trojan-activity; sid:2023327; rev:4; metadata:attack_target Client_Endpoint, created_at 2016_10_07, deployment Perimeter, confidence High, signature_severity Major, tag Ransomware, updated_at 2020_09_01;)