Backdoor:OSX/Olyx.C

Classification

Malware

Backdoor

OSX

MAC.OSX.Trojan.Lamadai.B, Backdoor:OSX/Olyx.C

Summary

Backdoor:OSX/Olyx.C connects to a remote server to receive further instructions, without the knowledge or permission from the user.

Removal

Manual removal

  1. 1. Open Activity Monitor, select DockLight, and click Quit Process.
  2. 2. Open Terminal, then execute the following:
    • sudo rm /Applications/Automator.app/Contents/MacOS/DockLight
    • rm ~/Library/LaunchAgents/com.apple.DockActions.plist
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Technical Details

Arrival

Olyx.C is dropped into the system by malicious Word documents that exploit the vulnerability identified by CVE-2009-0563.

Installation

The malware drops the following copy of itself:

  • /Applications/Automator.app/Contents/MacOS/DockLight

It creates the following launchpoint for the file above:

  • ~/Library/LaunchAgents/com.apple.DockActions.plist

Payload

The malware connects to a2012[...].slyip.net[...] to obtain additional commands.

The backdoor is capable of performing the following actions:

  • Downloading and uploading files
  • Executing shell commands

Other variants

Date Created: -

Date Last Modified: -