OSX/Janicab.A, Trojan.Janicab, Troj/Janicab-A
Backdoor:Python/Janicab.A is capable of running on both Windows and OS X machines; once installed it continuously takes screenshots and records audio, then forwards these to its command and control server.
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Janicab.A is written in Python and is capable of running on machines with either the Windows or OS X operating systems.
When executed, the malware displays a decoy document; in the meantime, it installs itself in the background and connects to a remote site in order to get the address of its command and control (C&C) server.
While active, the malware continuously uses a third-party plugin to take screenshots and record audio, then uploads these to the C&C server. It also constantly checks for additional commands to execute from the C&C server.
The malware is notable for being signed with an Apple Developer ID and for using the right-to-left override (RLO) feature of the bi-directional text encoding system to hide the real extensions of executable files.
For more information, please see the related F-Secure Weblog post: