Add test about enip keywords

diff --git a/tests/enip-keywords/README.md b/tests/enip-keywords/README.md
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+++ b/tests/enip-keywords/README.md
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+# Description
+
+Test ENIP keywords
+
+# PCAP
+
+The pcap comes from https://github.com/cisagov/icsnpp-enip/blob/main/examples/enip_cip_example.pcap

diff --git a/tests/enip-keywords/enip_cip_example.pcap b/tests/enip-keywords/enip_cip_example.pcap
new file mode 100644 (file)
index 0000000..460a6b2
Binary files /dev/null and b/tests/enip-keywords/enip_cip_example.pcap differ

diff --git a/tests/enip-keywords/test.rules b/tests/enip-keywords/test.rules
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+++ b/tests/enip-keywords/test.rules
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+alert ip any any -> any any (cip_service: 10; sid:1; )
+alert ip any any -> any any (enip_command: 112; sid:2; )

diff --git a/tests/enip-keywords/test.yaml b/tests/enip-keywords/test.yaml
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+++ b/tests/enip-keywords/test.yaml
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+requires:
+  min-version: 7
+
+# disables checksum verification
+args:
+- -k none --set stream.midstream=true --set app-layer.protocols.enip.enabled=yes
+
+checks:
+  - filter:
+      count: 41
+      match:
+        event_type: alert
+        alert.signature_id: 1
+  - filter:
+      count: 267
+      match:
+        event_type: alert
+        alert.signature_id: 2