Breplibot.AE

Threat description

Details

Category: Malware
Type: Backdoor
Platform: W32

Summary

Breplibot.AE is a backdoor with bot capabilities. It connects to several IRC servers and waits for commands from the backdoor author.



Removal

Automatic action

Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.

More scanning & removal options

More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

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Technical Details

System installation

The backdoor's file is a PE executable about 30 kilobytes long, packed with UPX file compressor.When the backdoor's file is started, it copies itself as 'svcsvh32.exe' file to Windows System folder and then tries to create the following startup key values in the Registry:

  • [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
  • [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] "WindowsDiskE" = "svcsvh32.exe"
Bot functionality

When the backdoor is active, it connects to an IRC server, and joins a certain channel then acts as a bot there.The following IRC servers and ports are used by the backdoor:

  • 152.7.4.74:8080
  • 161.6.23.28:8080
  • 170.140.216.236:8080
  • 170.140.240.82:8080
  • 128.119.60.144:8080

The backdoor joins the following password-protected IRC channel:

  • #info

A hacker can send commands to the bots to control infected computers. Several tasks can be performed, including the following:

  • - Download and execute files from remote servers
  • - Request system information
  • - Delete files
Payload

Breplibot.AE tries to terminate several security-related processes.



Detection

Detection Type:PC
Database:2006-02-01_02




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