XcodeGhost is iOS malware that infected at least 39 iOS apps in 2015 and potentially affected millions of users.  
XcodeGhost can read and write data in the user’s clipboard.
|Mobile||T1417||.002||Input Capture: GUI Input Capture||
XcodeGhost can prompt a fake alert dialog to phish user credentials.
|Mobile||T1474||.001||Supply Chain Compromise: Compromise Software Dependencies and Development Tools||
XcodeGhost was injected into apps by a modified version of Xcode (Apple's software development tool).