Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Xehook Stealer CnC Domain in DNS Lookup (nc1337 .online)"; dns.query; bsize:13; content:"nc1337.online"; nocase; reference:url,twitter.com/spamhaus/status/1762799827300008300; reference:md5,1c3c3d869eb0804b24ed9bb2fdd8f3f6; classtype:trojan-activity; sid:2051462; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_03_04, deployment Perimeter, malware_family Xehook, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_03_04, reviewed_at 2025_07_14;)