At a press conference on Wednesday Dayib told reporters that soldiers entered the house where he was staying and took him into the countryside where he was beaten, subjected to a mock execution and told he had only five minutes to live.
Dayib said he was assaulted because he challenged a local politician back in July over detentions and arbitrary killings in the region.
Dayib said he was grateful for the support he received during his ordeal and that he is happy to be home.
"I received lots of emails and messages on Facebook and Twitter. And the Green Party has done a lot for me. I thank all the Swedish citizens who have supported me," Dayib said.
Dayib was released and returned to Sweden earlier this week.