alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Observed Malicious SSL Cert (Zepakab CnC?)"; flow:from_server,established; tls_cert_subject; content:"CN=Seven DSert SHA2 CA"; nocase; isdataat:!1,relative; tls_cert_issuer; content:"C=US, ST=Some-State, O=Seven Ltd, CN=Seven DSert SHA2 CA"; metadata: former_category TROJAN; reference:url,blog.yoroi.company/research/sofacys-zepakab-downloader-spotted-in-the-wild/; classtype:trojan-activity; sid:2026864; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag SSL_Malicious_Cert, tag APT, signature_severity Major, created_at 2019_01_31, malware_family Zekapab, malware_family Zepakab, performance_impact Low, updated_at 2019_01_31;)

Added 2019-01-31 18:04:43 UTC


Topic revision: r1 - 2019-01-31 - TWikiGuest
 
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