Summary
Backdoor:OSX/Sabpab.A connects to a remote server to receive further instructions, without the knowledge or permission from the user.
Removal
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Technical Details
Arrival
Sabpab.A is dropped into the system by malicious Java applets that exploit the vulnerability identified by CVE-2012-0507, and malicious Word documents that exploit CVE-2009-0563.
Installation
The malware drops the following copy of itself:
- ~/Library/Preferences/com.apple.PubSabAgent.pfile
It creates the following launchpoint for the file above:
- ~/Library/LaunchAgents/com.apple.PubSabAgent.plist
Payload
The malware connects to a remote server to obtain additional commands. The server varies between samples. As of this writing, there are two known servers:
- rtx556[...].onedumb.com[...]
- 199[...].192.152.100[...]
The backdoor is capable of performing the following actions:
- Downloading and uploading files
- Creating new processes
- Taking screenshots
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