1. Cook the pasta according to the package instructions. Drain and rinse under cold water.
2. In a large mixing bowl, combine the cooked pasta, cherry tomatoes, black olives, red bell pepper, red onion, cucumber, feta cheese, and fresh basil.
3. In a small bowl, whisk together the olive oil, red wine vinegar, Dijon mustard, minced garlic, dried oregano, salt, and pepper.
4. Pour the dressing over the pasta salad and toss to coat evenly.
5. Chill in the refrigerator for at least 30 minutes before serving.