Nov  9 06:25:06 [su] Successful su for nobody by root
Nov  9 06:25:06 [su] + ??? root:nobody
Nov  9 06:25:06 [su] (pam_unix) session opened for user nobody by (uid=0)
Nov  9 06:25:06 [su] (pam_unix) session closed for user nobody
Nov  9 06:25:06 [su] Successful su for nobody by root
Nov  9 06:25:06 [su] + ??? root:nobody
Nov  9 06:25:06 [su] (pam_unix) session opened for user nobody by (uid=0)
Nov  9 06:25:06 [su] (pam_unix) session closed for user nobody
Nov  9 06:25:06 [su] Successful su for nobody by root
Nov  9 06:25:06 [su] + ??? root:nobody
Nov  9 06:25:06 [su] (pam_unix) session opened for user nobody by (uid=0)
Nov  9 06:25:39 [su] (pam_unix) session closed for user nobody