alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Observed Malicious SSL Cert (ServHelper? CnC?)"; flow:from_server,established; tls_cert_subject; content:"CN=vesecase.com"; nocase; isdataat:!1,relative; tls_cert_issuer; content:"C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3"; metadata: former_category TROJAN; classtype:trojan-activity; sid:2026770; 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, signature_severity Major, created_at 2018_12_18, malware_family ServHelper?, performance_impact Low, updated_at 2018_12_18;)

Added 2019-01-10 18:41:40 UTC


Topic revision: r1 - 2019-01-10 - TWikiGuest
 
This site is powered by the TWiki collaboration platform Powered by Perl This site is powered by the TWiki collaboration platformCopyright © Emerging Threats