BKDR_YUSI.A

This backdoor may be dropped by other malware. It arrives as a component bundled with malware/grayware packages.

It does not have any propagation routine.

It executes commands from a remote malicious user, effectively compromising the affected system. It connects to a website to send and receive information.

It does not drop any other file.

It requires its main component to successfully perform its intended routine.

Arrival Details

This backdoor may be dropped by other malware.

It arrives as a component bundled with malware/grayware packages.

Propagation

This backdoor does not have any propagation routine.

Backdoor Routine

This backdoor executes the following commands from a remote malicious user:

• View file list
• Upload files
• Download files
• Execute arbitrary code/files
• Delete files
• View file information
• Start remote shell execution
• Stop remote shell execution
• View task list

It connects to the following websites to send and receive information:

• www.{BLOCKED}ebnews.com/test/order.asp
• www.{BLOCKED}ebnews.com/test/space.asp

Dropping Routine

This backdoor does not drop any other file.

Download Routine

This backdoor connects to the following website(s) to download and execute a malicious file:

• www.{BLOCKED}ebnews.com/test/download.asp

Information Theft

This backdoor gathers the following data:

• Malware Version
• OS Version
• Disk Information
• Logon Time
• Local Time
• Public and Private IP Addresses
• Language ID
• Product Name
• Product ID

Other Details

This backdoor connects to the following URL(s) to check for an Internet connection:

• www.{BLOCKED}ebnews.com/test/alive.asp

It connects to the following URL(s) to get the affected system's IP address:

• www.{BLOCKED}ebnews.com/test/getip.asp

It requires its main component to successfully perform its intended routine.

It uploads files to the following website(s):

• www.{BLOCKED}ebnews.com/test/upload.asp

NOTES:

It does not have rootkit capabilities.

It does not exploit any vulnerability.