ET MALWARE Observed Earth Hundun Group Waterbear/Deuterbear Domain (cloudflaread .quadrantbd .com) in TLS SNI
Sourceet/open
CreatedApril 15, 2024
UpdatedOctober 4, 2024
Classificationdomain-c2
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Earth Hundun Group Waterbear/Deuterbear Domain (cloudflaread .quadrantbd .com) in TLS SNI"; flow:established,to_server; tls.sni; bsize:27; content:"cloudflaread.quadrantbd.com"; fast_pattern; 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:2052082; 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;)
References
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_and_Server
created at2024_04_15
deploymentPerimeter
malware familyDEUTERBEAR
performance impactLow
confidenceHigh
signature severityMajor
updated at2024_10_04
reviewed at2024_10_04
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