alert tls $EXTERNAL_NET 443 -> $HOME_NET any (msg:"ET INFO Self-Signed Cert O=XX Observed"; flow:established,to_client; tls_cert_subject; content:"O=XX"; fast_pattern; tls_cert_issuer; content:"O=XX"; reference:md5,00e7afce84c84cd70fe329d8bb8c0731; classtype:trojan-activity; sid:2018284; rev:5; metadata:attack_target Client_Endpoint, created_at 2014_03_17, deployment Perimeter, former_category MALWARE, signature_severity Minor, updated_at 2022_04_11;)

Added 2022-06-28 18:49:42 UTC


alert tls $EXTERNAL_NET 443 -> $HOME_NET any (msg:"ET TROJAN Self-Signed Cert Observed in Various Zbot Strains"; flow:established,to_client; tls_cert_subject; content:"O=XX"; fast_pattern; tls_cert_issuer; content:"O=XX"; reference:md5,00e7afce84c84cd70fe329d8bb8c0731; classtype:trojan-activity; sid:2018284; rev:4; metadata:created_at 2014_03_17, updated_at 2022_04_11;)

Added 2022-04-11 18:33:38 UTC


alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Self-Signed Cert Observed in Various Zbot Strains"; flow:established,to_client; tls_cert_subject; content:"O=XX"; fast_pattern; tls_cert_issuer; content:"O=XX"; reference:md5,00e7afce84c84cd70fe329d8bb8c0731; classtype:trojan-activity; sid:2018284; rev:3; metadata:created_at 2014_03_17, updated_at 2022_03_23;)

Added 2022-03-23 18:03:07 UTC


alert tcp $EXTERNAL_NET 443 -> $HOME_NET any (msg:"ET TROJAN Self-Signed Cert Observed in Various Zbot Strains"; flow:established,from_server; content:"|55 04 0a 13 02|XX"; content:"|55 04 0a 13 02|XX"; distance:0; reference:md5,00e7afce84c84cd70fe329d8bb8c0731; classtype:trojan-activity; sid:2018284; rev:2; metadata:created_at 2014_03_17, updated_at 2014_03_17;)

Added 2018-09-13 19:48:35 UTC


Added 2018-09-13 17:58:32 UTC


alert tcp $EXTERNAL_NET 443 -> $HOME_NET any (msg:"ET TROJAN Self-Signed Cert Observed in Various Zbot Strains"; flow:established,from_server; content:"|55 04 0a 13 02|XX"; content:"|55 04 0a 13 02|XX"; distance:0; reference:md5,00e7afce84c84cd70fe329d8bb8c0731; classtype:trojan-activity; sid:2018284; rev:2; metadata:created_at 2014_03_17, updated_at 2014_03_17;)

Added 2017-08-07 21:12:20 UTC


alert tcp $EXTERNAL_NET 443 -> $HOME_NET any (msg:"ET TROJAN Self-Signed Cert Observed in Various Zbot Strains"; flow:established,from_server; content:"|55 04 0a 13 02|XX"; content:"|55 04 0a 13 02|XX"; distance:0; reference:md5,00e7afce84c84cd70fe329d8bb8c0731; classtype:trojan-activity; sid:2018284; rev:2;)

Added 2014-03-17 18:18:46 UTC


Topic revision: r1 - 2022-06-28 - TWikiGuest
 
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