diff options
Diffstat (limited to 'framework/src/suricata/rules/tls-events.rules')
| -rw-r--r-- | framework/src/suricata/rules/tls-events.rules | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/framework/src/suricata/rules/tls-events.rules b/framework/src/suricata/rules/tls-events.rules new file mode 100644 index 00000000..f9e88689 --- /dev/null +++ b/framework/src/suricata/rules/tls-events.rules @@ -0,0 +1,27 @@ +# TLS event rules +# +# SID's fall in the 2230000+ range. See http://doc.emergingthreats.net/bin/view/Main/SidAllocation +# +# These sigs fire at most once per connection. +# +# A flowint tls.anomaly.count is incremented for each match. By default it will be 0. +# +alert tls any any -> any any (msg:"SURICATA TLS invalid SSLv2 header"; flow:established; app-layer-event:tls.invalid_sslv2_header; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; sid:2230000; rev:1;) +alert tls any any -> any any (msg:"SURICATA TLS invalid TLS header"; flow:established; app-layer-event:tls.invalid_tls_header; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; sid:2230001; rev:1;) +alert tls any any -> any any (msg:"SURICATA TLS invalid record version"; flow:established; app-layer-event:tls.invalid_record_version; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; sid:2230015; rev:1;) +alert tls any any -> any any (msg:"SURICATA TLS invalid record type"; flow:established; app-layer-event:tls.invalid_record_type; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; sid:2230002; rev:1;) +alert tls any any -> any any (msg:"SURICATA TLS invalid handshake message"; flow:established; app-layer-event:tls.invalid_handshake_message; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; sid:2230003; rev:1;) +alert tls any any -> any any (msg:"SURICATA TLS invalid certificate"; flow:established; app-layer-event:tls.invalid_certificate; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; sid:2230004; rev:1;) +alert tls any any -> any any (msg:"SURICATA TLS certificate missing element"; flow:established; app-layer-event:tls.certificate_missing_element; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; sid:2230005; rev:1;) +alert tls any any -> any any (msg:"SURICATA TLS certificate unknown element"; flow:established; app-layer-event:tls.certificate_unknown_element; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; sid:2230006; rev:1;) +alert tls any any -> any any (msg:"SURICATA TLS certificate invalid length"; flow:established; app-layer-event:tls.certificate_invalid_length; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; sid:2230007; rev:1;) +alert tls any any -> any any (msg:"SURICATA TLS certificate invalid string"; flow:established; app-layer-event:tls.certificate_invalid_string; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; sid:2230008; rev:1;) +alert tls any any -> any any (msg:"SURICATA TLS error message encountered"; flow:established; app-layer-event:tls.error_message_encountered; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; sid:2230009; rev:1;) +alert tls any any -> any any (msg:"SURICATA TLS invalid record/traffic"; flow:established; app-layer-event:tls.invalid_ssl_record; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; sid:2230010; rev:1;) + +alert tls any any -> any any (msg:"SURICATA TLS heartbeat encountered"; flow:established; app-layer-event:tls.heartbeat_message; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; sid:2230011; rev:1;) +alert tls any any -> any any (msg:"SURICATA TLS overflow heartbeat encountered, possible exploit attempt (heartbleed)"; flow:established; app-layer-event:tls.overflow_heartbeat_message; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; reference:cve,2014-0160; sid:2230012; rev:1;) +alert tls any any -> any any (msg:"SURICATA TLS invalid heartbeat encountered, possible exploit attempt (heartbleed)"; flow:established; app-layer-event:tls.invalid_heartbeat_message; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; reference:cve,2014-0160; sid:2230013; rev:1;) +alert tls any any -> any any (msg:"SURICATA TLS invalid encrypted heartbeat encountered, possible exploit attempt (heartbleed)"; flow:established; app-layer-event:tls.dataleak_heartbeat_mismatch; flowint:tls.anomaly.count,+,1; classtype:protocol-command-decode; reference:cve,2014-0160; sid:2230014; rev:1;) + +#next sid is 2230016 |