And it shall become small dust over all the land of Egypt, and become boils breaking out in sores on man and beast in all the land [occupied by the Egyptians].
So they took ashes or soot of the kiln and stood before Pharaoh; and Moses threw them toward the sky, and it became boils erupting in sores on man and beast.
The Lord said to Moses and Aaron, Take handfuls of ashes or soot from the brickkiln and let Moses sprinkle them toward the heavens in the sight of Pharaoh.
So the first [angel] went and emptied his bowl on the earth, and foul and painful ulcers (sores) came on the people who were marked with the stamp of the beast and who did homage to his image. [Exod. 9:10, 11; Deut. 28:35.]