alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query Sykipot Domain insdet.com"; dns.query; content:"insdet.com"; depth:10; nocase; fast_pattern; endswith; classtype:trojan-activity; sid:2016607; rev:5; metadata:created_at 2013_03_20, confidence High, signature_severity Major, updated_at 2024_05_08;)