Receiving possession by the touchline, the Melbourne City man played an incisive 40-yard pass to release Irvine, whose low cross was poked by Tamas Kadar through his Dibusz's legs for another comical own-goal.
Australia's Daniel Arzani celebrates with teammates after scoring their first goal.
The teenage prodigy scored a fine effort with his first touches of the ball in Saturday night's 2-1 win over Hungary, then laid off a defence-splitting pass that led to Australia's victor.
Camera Icon Socceroos assistant coach Mark van
The 19-year-old scored within a minute of coming into the fray at the Groupama Arena, striking from long range.
Second half gloveman Brad Jones might have marked his card with two errors, the second leading to Hungary's goal after a miscommunication with Trent Sainsbury.
Although there was already a coaching team in place, Van Marwijk insisted upon putting together his own structure, despite reportedly being told by Football Federation Australia (FFA) there were insufficient funds to do so.More news: Doom Eternal Trailer: Doom Sequel Officially Announced
"I need them because they know how I work, they know how I want to work, they know how I want to play", van Marwijk said.
"But you saw after the 1-1 the team, that they didn't think about 1-1".More news: Trudeau 'stabbed us in back' on trade, says Trump chief economic adviser
Bert van Marwijk's side had beaten the Czech Republic 4-0 in its previous warm-up match, but struggled to create chances against a Hungary side that had lost two of their last three home games.
"When you look very good you can see what positions it's not 100 per cent sure", he said, suggesting substitutes - which also included Jackson Irvine and Arzani - could improve their roles to starting positions.More news: Fox News host calls President Trump a dictator, apologizes