**Phase 1: Completed pre-decoding.
       full event: 'May 26 19:40:41 enigma sudo: dcid : TTY=ttyp0 ; PWD=/var/www/htdocs ; USER=root ; COMMAND=/usr/bin/tail /var/log/secure'
       hostname: 'enigma'
       program_name: 'sudo'
       log: 'dcid : TTY=ttyp0 ; PWD=/var/www/htdocs ; USER=root ; COMMAND=/usr/bin/tail /var/log/secure'

**Phase 2: Completed decoding.
       decoder: 'sudo'

**Phase 3: Completed filtering (rules).
       Rule id: '5403'
       Level: '4'
       Description: 'First time user executed sudo.'
**Alert to be generated.