She equipped, manned and "privateered" at her own expense, two ships with which she pursued the pirates who attacked Mykonos and other islands of Cyclades. On 22 October 1822, the Mykonians repulsed the Ottoman Turks, who had debarked on the island, under her leadership. She also equipped 150 men to campaign in the Peloponnese and sent forces and financial support to Samos, when the island was threatened by the Turks. Later, Mavrogenous sent another corps of fifty men to Peloponnese, who took part in the Siege of Tripolitsa and the fall of the town to the Greek rebels. Together, she spent money for the relief of the soldiers and their families, the preparation of a campaign to Northern Greece and the support of several philhellenes.