**Phase 1: Completed pre-decoding. full event: 'Jun 9 13:32:14 niban su(pam_unix)[1338]: session opened for user root by (uid=1342)' hostname: 'melancia' program_name: '(null)' log: 'Jun 9 13:32:14 niban su(pam_unix)[1338]: session opened for user root by (uid=1342)' **Phase 2: Completed decoding. No decoder matched.