alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Observed Malicious SSL Cert (DonotGroup? CnC?)"; flow:from_server,established; tls_cert_subject; content:"CN="; content:""; distance:0; nocase; fast_pattern; content:"CN="; pcre:"/^CN=(?:(?:jasper|qwe|alter|car|param|bike|genwar)\.)?drivethrough\.top$/s"; tls_cert_issuer; content:"C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3"; metadata: former_category TROJAN; reference:url,; classtype:trojan-activity; sid:2027215; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Android, deployment Perimeter, tag SSL_Malicious_Cert, tag APT, tag DonotGroup?, signature_severity Major, created_at 2019_04_17, malware_family StealJob?, performance_impact Low, updated_at 2019_04_17;)

Added 2019-04-17 18:26:10 UTC

This topic: Main > 2027215
Topic revision: r1 - 2019-04-17 - TWikiGuest
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