An 85th minute Sergio van Dijk header separated the sides and put the Roar within striking distance of the top-two teams, delighting Farina.
"We're one point off top spot. So with all the problems that we've had, is it satisfying? Bloody oath," he said.
"I think it showed the character of the players that are left standing.
"It was a bit of an arm wrestle again in the first half. We changed a couple of things in the second half and I thought we were a lot better."