Running towards his right from long-on, Aiden Markram executed a full-length dive to catch the ball inches above from the ground.
Australia restricted South Africa to 118 for 9 in 20 overs thanks to some brilliant bowling by Josh Hazlewood, Adam Zampa and Mitchell Starc.
Aaron Finch will be eager to restrict South Africa to a modest total, which should not be a major concern considering the impressive bowling attack that Australia enjoys.
Australia take on South Africa in the Super 12, Group 1 opener of the T20 World Cup in Abu Dhabi on Saturday.
Damien Martyn was Australia's best middle order player at the start of the 21st century and he helped the side establish their dominance.
India fine-tuned their T20 World Cup preparations with a comfortable nine-wicket win over Australia in their final warm-up match in Dubai on Wednesday.
Team India opener Rohit Sharma delivered a fantastic performance with the bat, setting the stage for a comprehensive win against Australia.
Steve Smith made his presence felt with a fine half-century to help Australia post a competitive total against India.
Former Australian cricketer Michael Slater has been arrested over an alleged domestic violence incident, with the New South Wales Police yet to disclose further details.
Victoria quick James Pattinson has retired from international cricket in a surprise decision ahead of an Ashes series he looked set to play a part in.