To a bowl, whisk together dark soy sauce, fish sauce, oyster sauce, rice vinegar, and sugar. Set aside.
¼ cup dark soy sauce, 3 tbsp fish sauce, 2 tbsp rice vinegar, 2 tbsp oyster sauce, 1 tbsp sugar
To a wok on medium-high heat, add in oil and scramble eggs once hot. Remove eggs and set aside.
Add in onion, garlic, basil, and Thai chilis. Sauté until onions are translucent.
Add in rice and sauce. Mix to combine and cook to heat through.
Return eggs to pan, and fold in crab meat.
Top with sesame seeds. Serve immediately with scallions and limes.