Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Patchwork CnC Domain in DNS Lookup (hengtian .nihaoucloud .org)"; dns.query; bsize:24; content:"hengtian.nihaoucloud.org"; nocase; reference:url,www.ctfiot.com/193014.html; classtype:trojan-activity; sid:2054510; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_07_16, deployment Perimeter, confidence High, signature_severity Major, tag Patchwork, updated_at 2024_07_16, reviewed_at 2025_05_14;)