Rule History

alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS 443 (msg:"GPL DELETED TLSv1 Client_Hello via SSLv2 handshake request"; flow:to_server,established; flowbits:isnotset,sslv2.client_hello.request; flowbits:isnotset,sslv3.client_hello.request; flowbits:isnotset,tlsv1.client_hello.request; byte_test:1,>,127,0; content:"|01|"; depth:1; offset:2; content:"|03 01|"; depth:2; offset:3; flowbits:set,tlsv1.client_hello.request; flowbits:noalert; classtype:protocol-command-decode; sid:2103059; rev:3; metadata:created_at 2010_09_23, signature_severity Unknown, updated_at 2019_07_26;)