Exim Detect template

network/detection/exim-detect.yaml

@@ -0,0 +1,39 @@
+id: exim-detect
+
+info:
+  name: Exim Detect
+  author: ricardomaia
+  severity: info
+  description: |
+    Exim is a message transfer agent (MTA) distributed over GNU General Public License.
+  reference:
+    - https://www.exim.org/docs.html
+  classification:
+    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N
+    cwe-id: CWE-200
+  metadata:
+    max-request: 1
+    verified: true
+  tags: network,detect,smtp,mail
+
+tcp:
+  - inputs:
+      - data: ""
+
+    host:
+      - "{{Hostname}}:25"
+      - "{{Hostname}}:2525"
+      - "{{Hostname}}:465"
+      - "{{Hostname}}:587"
+
+    matchers:
+      - type: word
+        words:
+          - "ESMTP Exim"
+
+    extractors:
+      - type: regex
+        group: 1
+        name: version
+        regex:
+          - '(?i)SMTP.Exim\s?([\w.]+)'