alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Observed Malicious SSL Cert (ServHelper? RAT CnC?)"; flow:from_server,established; tls_cert_subject; content:"CN=checksolutions.pw"; tls_cert_issuer; content:"C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3"; metadata: former_category TROJAN; reference:md5,43e7274b6d42aef8ceae298b67927aec; classtype:trojan-activity; sid:2026767; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag RAT, signature_severity Major, created_at 2018_11_09, malware_family ServHelper?, performance_impact Low, updated_at 2018_11_13;)

Added 2019-01-14 15:38:52 UTC


alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Observed Malicious SSL Cert (HuadhServHelper? RAT CnC?)"; flow:from_server,established; tls_cert_subject; content:"CN=checksolutions.pw"; tls_cert_issuer; content:"C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3"; metadata: former_category TROJAN; reference:md5,43e7274b6d42aef8ceae298b67927aec; classtype:trojan-activity; sid:2026767; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag RAT, signature_severity Major, created_at 2018_11_09, performance_impact Low, updated_at 2018_11_13;)

Added 2019-01-10 18:41:40 UTC


Topic revision: r1 - 2019-01-14 - TWikiGuest
 
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