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=kuarela.xyz"; nocase; fast_pattern; isdataat:!1,relative; tls_cert_issuer; content:"C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3"; classtype:trojan-activity; sid:2029602; rev:1; metadata:created_at 2020_03_10, former_category MALWARE, malware_family ServHelper?, tag SSL_Malicious_Cert, updated_at 2020_11_05;)

Added 2020-11-05 18:35:59 UTC


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=kuarela.xyz"; nocase; fast_pattern; isdataat:!1,relative; tls_cert_issuer; content:"C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3"; classtype:trojan-activity; sid:2029602; rev:1; metadata:created_at 2020_03_10, former_category MALWARE, malware_family ServHelper?, tag SSL_Malicious_Cert, updated_at 2020_03_10;)

Added 2020-08-05 19:17:42 UTC


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=kuarela.xyz"; nocase; fast_pattern; isdataat:!1,relative; tls_cert_issuer; content:"C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3"; metadata: former_category MALWARE; classtype:trojan-activity; sid:2029602; rev:1; metadata:tag SSL_Malicious_Cert, created_at 2020_03_10, malware_family ServHelper?, updated_at 2020_03_10;)

Added 2020-03-10 20:58:57 UTC


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=kuarela.xyz"; nocase; fast_pattern; isdataat:!1,relative; tls_cert_issuer; content:"C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3"; metadata: former_category MALWARE; classtype:trojan-activity; sid:2029602; rev:1; metadata:tag SSL_Malicious_Cert, created_at 2020_03_10, malware_family ServHelper?, updated_at 2020_03_10;)

Added 2020-03-10 20:33:50 UTC


Topic revision: r1 - 2020-11-05 - TWikiGuest
 
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