#alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET POLICY TLS/SSL Client Hello on Unusual Port SSLv3"; flowbits:isnotset,BS.SSL.Known.Port; flowbits:isnotset,BS.SSL.Client.Hello; flow:established,to_server; content:"|16 03 00|"; depth:3; content:"|01|"; within:2; content:"|03 00|"; within:3; flowbits:set,BS.SSL.Client.Hello; flowbits:noalert; reference:url,doc.emergingthreats.net/2003003; classtype:unusual-client-port-connection; sid:2003003; rev:8; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2017-08-07 20:56:23 UTC


#alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET POLICY TLS/SSL Client Hello on Unusual Port SSLv3"; flowbits:isnotset,BS.SSL.Known.Port; flowbits:isnotset,BS.SSL.Client.Hello; flow:established,to_server; content:"|16 03 00|"; depth:3; content:"|01|"; within:2; content:"|03 00|"; within:3; flowbits:set,BS.SSL.Client.Hello; flowbits:noalert; reference:url,doc.emergingthreats.net/2003003; classtype:unusual-client-port-connection; sid:2003003; rev:8;)

Added 2011-10-12 19:12:41 UTC


#alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET POLICY TLS/SSL Client Hello on Unusual Port SSLv3"; flowbits:isnotset,BS.SSL.Known.Port; flowbits:isnotset,BS.SSL.Client.Hello; flow:established,to_server; content:"|16 03 00|"; depth:3; content:"|01|"; within:2; content:"|03 00|"; within:3; flowbits:set,BS.SSL.Client.Hello; flowbits:noalert; classtype:unusual-client-port-connection; reference:url,doc.emergingthreats.net/2003003; sid:2003003; rev:8;)

Added 2011-09-14 22:25:38 UTC


#alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET POLICY TLS/SSL Client Hello on Unusual Port SSLv3"; flowbits:isnotset,BS.SSL.Known.Port; flowbits:isnotset,BS.SSL.Client.Hello; flow:established,to_server; content:"|16 03 00|"; depth:3; content:"|01|"; within:2; content:"|03 00|"; within:3; flowbits:set,BS.SSL.Client.Hello; flowbits:noalert; classtype:unusual-client-port-connection; reference:url,doc.emergingthreats.net/2003003; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_SSL_TLS_on_High_Port; sid:2003003; rev:8;)

Added 2011-02-04 17:22:11 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET POLICY TLS/SSL Client Hello on Unusual Port SSLv3"; flowbits:isnotset,BS.SSL.Known.Port; flowbits:isnotset,BS.SSL.Client.Hello; flow:established,to_server; content:"|16 03 00|"; depth:3; content:"|01|"; within:2; content:"|03 00|"; within:3; flowbits:set,BS.SSL.Client.Hello; flowbits:noalert; classtype:unusual-client-port-connection; reference:url,doc.emergingthreats.net/2003003; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_SSL_TLS_on_High_Port; sid:2003003; rev:8;)

Added 2009-02-11 19:15:23 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET POLICY TLS/SSL Client Hello on Unusual Port SSLv3"; flowbits:isnotset,BS.SSL.Known.Port; flowbits:isnotset,BS.SSL.Client.Hello; flow:established,to_server; content:"|16 03 00|"; depth:3; content:"|01|"; within:2; content:"|03 00|"; within:3; flowbits:set,BS.SSL.Client.Hello; flowbits:noalert; classtype:unusual-client-port-connection; reference:url,doc.emergingthreats.net/2003003; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_SSL_TLS_on_High_Port; sid:2003003; rev:8;)

Added 2009-02-11 19:15:23 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET POLICY TLS/SSL Client Hello on Unusual Port SSLv3"; flowbits:isnotset,BS.SSL.Known.Port; flowbits:isnotset,BS.SSL.Client.Hello; flow:established,to_server; content:"|16 03 00|"; depth:3; content:"|01|"; within:2; content:"|03 00|"; within:3; flowbits:set,BS.SSL.Client.Hello; flowbits:noalert; classtype:unusual-client-port-connection; sid:2003003; rev:7;)

Added 2008-09-10 11:30:21 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (msg:"ET POLICY TLS/SSL Client Hello on Unusual Port SSLv3"; flowbits:isnotset,BS.SSL.Known.Port; flowbits:isnotset,BS.SSL.Client.Hello; flow:established,to_server; content:"|16 03 00|"; depth:3; content:"|01|"; within:2; content:"|03 00|"; within:3; flowbits:set,BS.SSL.Client.Hello; flowbits:noalert; classtype:unusual-client-port-connection; sid:2003003; rev:7;)

Added 2008-09-10 11:30:21 UTC


alert tcp any any -> any 1024:65535 (msg:"ET POLICY TLS/SSL Client Hello on Unusual Port SSLv3"; flowbits:isnotset,BS.SSL.Known.Port; flowbits:isnotset,BS.SSL.Client.Hello; flow:established,to_server; content:"|16 03 00|"; depth:3; content:"|01|"; within:2; content:"|03 00|"; within:3; flowbits:set,BS.SSL.Client.Hello; flowbits:noalert; classtype:unusual-client-port-connection; sid:2003003; rev:6;)

Added 2008-01-31 18:48:10 UTC


alert tcp any any -> any 1024:65535 (msg:"ET POLICY TLS/SSL Client Hello on Unusual Port SSLv3"; flowbits:isnotset,BS.SSL.Known.Port; flowbits:isnotset,BS.SSL.Client.Hello; flow:established,to_server; content:"|16 03 00|"; depth:3; content:"|01|"; within:2; content:"|03 00|"; within:3; flowbits:set,BS.SSL.Client.Hello; flowbits:noalert; classtype:unusual-client-port-connection; sid:2003003; rev:6;)

Added 2008-01-31 18:48:10 UTC


alert tcp any any -> any 1024:65535 (msg:"BLEEDING-EDGE POLICY TLS/SSL Client Hello on Unusual Port SSLv3"; flowbits:isnotset,BS.SSL.Known.Port; flowbits:isnotset,BS.SSL.Client.Hello; flow:established,to_server; content:"|16 03 00|"; depth:3; content:"|01|"; within:2; content:"|03 00|"; within:3; flowbits:set,BS.SSL.Client.Hello; flowbits:noalert; classtype:unusual-client-port-connection; sid:2003003; rev:5;)



Topic revision: r1 - 2017-08-08 - TWikiGuest
 
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