alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Observed Malicious SSL Cert (Upatre CnC?)"; flow:established,to_client; tls_cert_subject; content:""; depth:17; isdataat:!1,relative; fast_pattern; reference:md5,f83e76c4e5185e17b23b886b3614379f; classtype:trojan-activity; sid:2029201; rev:2; 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 2019_12_27, malware_family Upatre, performance_impact Low, updated_at 2019_12_27;)

Added 2019-12-27 18:43:01 UTC

Topic revision: r1 - 2019-12-27 - TWikiGuest
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