The experienced midfielder opened the scoring in spectacular fashion in the 14th minute, curling a superb long-range free-kick into the top corner to set Algeria on their way to a crucial Group A victory that secured their place in the quarter-finals.
Beyond her goal, Dafeur delivered a composed display at both ends of the pitch, helping her side keep a clean sheet while organising the midfield and defence throughout the contest.
Her influential contribution was recognised by the official match award, capping a strong evening for the Algerian captain as the Fennecs finished second in Group A behind hosts Morocco.