The system administrator is reviewing the following logs from the company web server:
12:34:56 GET /directory_listing.php?user=admin&pass=admin1
12:34:57 GET /directory_listing.php?user=admin&pass=admin2
12:34:58 GET /directory_listing.php?user=admin&pass=1admin
12:34:59 GET /directory_listing.php?user=admin&pass=2admin
Which of the following is this an example of?

A.
Online rainbow table attack

B.
Offline brute force attack

C.
Offline dictionary attack

D.
Online hybrid attack