alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Observed Malicious SSL Cert (APT32 JEShell CnC?)"; flow:from_server,established; tls_cert_subject; content:"CN=stream.playnetflix.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:2027068; rev:1; metadata:affected_product Java, attack_target Client_Endpoint, deployment Perimeter, tag APT32, signature_severity Major, created_at 2019_03_07, malware_family JEShell, performance_impact Low, updated_at 2019_03_07;)

Added 2019-03-07 20:09:40 UTC


Topic revision: r1 - 2019-03-08 - TWikiGuest
 
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