Versions (2)
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Rev: 2 • Apr 15, 2024, 12:00 PMET MALWARE Earth Hundun Group Waterbear/Deuterbear CnC Domain in DNS Lookup (cloudflaread .quadrantbd .com)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Earth Hundun Group Waterbear/Deuterbear CnC Domain in DNS Lookup (cloudflaread .quadrantbd .com)"; dns.query; bsize:27; content:"cloudflaread.quadrantbd.com"; nocase; reference:url,www.trendmicro.com/en_no/research/24/d/earth-hundun-waterbear-deuterbear.html; reference:url,www.trendmicro.com/content/dam/trendmicro/global/en/research/24/d/cyberespionage-group-earth-hundun's-continuous-refinement-of-waterbear-and-deuterbear/ioc-earth-hundun.txt; classtype:domain-c2; sid:2052075; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2024_04_15, deployment Perimeter, malware_family WATERBEAR, malware_family DEUTERBEAR, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_10_04, reviewed_at 2024_10_04;)
Apr 15, 2024, 12:00 PM
Oct 4, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules