Backdoor:Python/Janicab.A

Classification

Category :

Malware

Type :

Backdoor

Platform :

Python

Aliases :

OSX/Janicab.A, Trojan.Janicab, Troj/Janicab-A

Summary

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.

Removal

Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.

A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:

  • Check for the latest database updates

    First check if your F-Secure security program is using the latest updates, then try scanning the file again.

  • Submit a sample

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    Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.

  • Exclude a file from further scanning

    If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.

    Note: You need administrative rights to change the settings.

Technical Details

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.

More

For more information, please see the related F-Secure Weblog post:

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