alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN [401TRG] Malicious SSL Cert (Dreambot CnC?)"; flow:from_server,established; tls_cert_subject; content:"CN=colordrawyx.xyz"; nocase; fast_pattern; isdataat:!1,relative; tls_cert_issuer; content:"C=US, O=Let|27|s Encrypt, CN=Let|27|s Encrypt Authority X3"; reference:md5,74487b631e5688ad6affdd23340563bd; reference:url,twitter.com/w3ndige/status/1199375393297448961; classtype:trojan-activity; sid:2029117; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2019_12_12, updated_at 2019_12_12;)

Added 2019-12-12 18:40:50 UTC


Topic revision: r1 - 2019-12-12 - TWikiGuest
 
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