FireEye recently observed a targeted attack on a U.S.-based financial institution via a spear-phishing email. The payload used in this campaign is a tool called WinSpy, which is sold by the author as a spying and monitoring tool. The features in this tool resemble that of many other off-the-shelf RATs (Remote Administration Tools) available today. We also observed a second campaign by a different attacker where the WinSpy payload was implanted in macro documents to attack various other targets in what appears to be a spam campaign.