--- /dev/null
+**Phase 1: Completed pre-decoding.
+ full event: 'May 21 10:24:54 niban useradd[6070]: new group: name=test, gid=5006'
+ hostname: 'niban'
+ program_name: 'useradd'
+ log: 'new group: name=test, gid=5006'
+
+**Phase 2: Completed decoding.
+ No decoder matched.
+
+**Phase 3: Completed filtering (rules).
+ Rule id: '5901'
+ Level: '8'
+ Description: 'New group added to the system'
+**Alert to be generated.
+
+