Matsyapurana 23.43

23.43

patanti śastrāṇi tathojjvalāni svarbhūmipātālamatho dahanti
rudraḥ kopādbrahmaśīrṣaṃ mumoca somo 'pi somāstramamoghavīryam //

Afterwards the mightiest of the glittering and barbed arms that consume the heaven, the earth and the lower regions were employed which made Śiva still more furious and He hurled His formidable Brahmâstra at the Moon and the latter made use of his fearful Somâstra.—43.