Add event rules for NTP events

8 years ago · 79ed8c2dd3
parent 8a0549c42e
commit 79ed8c2dd3
2 changed files with 10 additions and 1 deletions
--- a/rules/Makefile.am
+++ b/rules/Makefile.am
@ -8,4 +8,5 @@ tls-events.rules \
 modbus-events.rules \
 app-layer-events.rules \
 files.rules \
-dnp3-events.rules
+dnp3-events.rules \
+ntp-events.rules
--- a/rules/ntp-events.rules
+++ b/rules/ntp-events.rules
@ -0,0 +1,8 @@
+# NTP app layer event rules
+#
+# SID's fall in the 2222000+ range. See https://redmine.openinfosecfoundation.org/projects/suricata/wiki/AppLayer
+#
+# These sigs fire at most once per connection.
+#
+alert ntp any any -> any any (msg:"SURICATA NTP malformed request data"; flow:to_server; app-layer-event:ntp.malformed_data; classtype:protocol-command-decode; sid:2222000; rev:1;)
+alert ntp any any -> any any (msg:"SURICATA NTP malformed response data"; flow:to_client; app-layer-event:ntp.malformed_data; classtype:protocol-command-decode; sid:2222001; rev:1;)