alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Observed Malicious SSL Cert (Quasar CnC?)"; flow:from_server,established; tls_cert_subject; content:"CN=Quasar Server CA"; nocase; fast_pattern; isdataat:!1,relative; metadata: former_category TROJAN; reference:url,sslbl.abuse.ch/ssl-certificates/sha1/f87d2aff4148f98f014460ab709c77587ea1e430/; classtype:trojan-activity; sid:2027619; 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 RAT, signature_severity Major, created_at 2019_06_27, malware_family Quasar, performance_impact Low, updated_at 2019_06_27;)

Added 2019-06-27 18:10:17 UTC


Topic revision: r1 - 2019-06-27 - TWikiGuest
 
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