One is quick revive, deadshot (zombies head comes off after death when shot anywhere), steel barricades and others.

so i heard the permanent perks are not permanent anymore so i call them bonus perks because whenever i play a game of zombies i lose my deadshot whenever the second i get the green flash and when i get steel barricade i lose them in two minutes after i got it in the game.

EVHGuitarist87 wrote Green flash for revives is quick revive. The green flashes for double head shots is double tap II not dead shot daiquiri like everyone thinks because the dead shot perk does not exist in this game therefore was not included in any "hidden perma perks"

Actually the green flash after getting a double head shot, doubles head shot damage. While
double tap 2.0 doubles bullet damage to any part of the zombie.