Threat Description

MoSucker

Details

Aliases: MoSucker, Backdoor.Mosucker.
Category: Malware
Type:
Platform: W32

Summary


MoSucker is a powerful backdoor - hacker's remote access tool.



Removal


To remove this backdoor it is enough to delete its file from a hard disk. As a system was compromised by a backdoor, it should be checked for other infections and security settings (including logins and passwords) of a system should be changed.



Technical Details


When activated on an infected system it allows more than one hacker to connect to a system and to perform the following actions:

 1. Control the server - configure, restart, remove, close  2. Open/Close CD-ROM tray  3. Lost and kill processes  4. Shutdown/retart a system  5. Log activities and control mouse and keyboard  6. Upload, download, run, rename of move files  7. List, create, remove directories  8. Control Windows interface: popup start menu, minimize all     windows, show/hide system tray, hide/show Start button, change     wallpaper, change resolution, change system colors, flip screen,     get opened windows list  9. Copy/read text from clipboard  10. Open/close chat session  11. Administrator of a backdoor server can control other user's      rights for the server  12. Play sound files  13. Create log file of backdoor activities  14. Send text to a printer  15. Get OS system type and version  16. Modify Windows Registry  17. Update server from Internet  18. Change date and time  19. Show picture  20. Steal user's ICQ info  21. Get information about user's local and network drives  22. Show messageboxes  23. Notify a hacker when infected user is on-line  24. Get general information about infected system    

The backdoor renames NETSTAT.EXE to NETSTAT.OLD when it is first activated and renames the file back when it is uninstalled. The backdoor also can install itself to system with modification of startup keys in the Registry or INI files.





Technical Details:Alexey Podrezov; F-Secure Corp.; November 2001


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