high
Summary
Summary
Action- More Information
| How it spreads |
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|---|---|
| Affected operating systems | Windows |
| Protection available since | 23 January 2005 22:45:22 (GMT) |
| Detected by | All Sophos products |
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Action
- Summary
- Action
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Please follow the instructions for removing worms.
Please read the instructions for removing W32/Rbot-UE.
More Information
W32/Rbot-UE is a network worm with backdoor Trojan functionality for the Windows platform.
W32/Rbot-UE spreads using a variety of techniques including exploiting weak passwords on computers and SQL servers, exploiting operating system vulnerabilities (including DCOM-RPC, LSASS, WebDAV and UPNP) and using backdoors opened by other worms or Trojans.
W32/Rbot-UE can be controlled by a remote attacker over IRC channels. W32/Rbot-UE is a network worm with backdoor Trojan functionality for the Windows platform.
The worm copies itself to a file named YPager.exe in the Windows system folder and creates the following registry entries in order to run each time a user logs on:
HKCU\Software\Microsoft\OLE
Yahoo Messenger
YPager.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Yahoo Messenger
YPager.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Yahoo Messenger
YPager.exe
W32/Rbot-UE spreads using a variety of techniques including exploiting weak passwords on computers and SQL servers, exploiting operating system vulnerabilities (including DCOM-RPC, LSASS, WebDAV and UPNP) and using backdoors opened by other worms or Trojans.
W32/Rbot-UE can be controlled by a remote attacker over IRC channels. The backdoor component of W32/Rbot-UE can be instructed by a remote user to perform the following functions:
- start an FTP server
- start a Proxy server
- start a web server
- take part in distributed denial of service (DDoS) attacks
- log keypresses
- capture screen/webcam images
- packet sniffing
- port scanning
- download/execute arbitrary files
- start a remote shell (RLOGIN)
- steal product registration information for certain software
Patches for the operating system vulnerabilities exploited by W32/Rbot-UE can be obtained from Microsoft at:
http://www.microsoft.com/technet/security/bulletin/ms04-012.mspx
http://www.microsoft.com/technet/security/bulletin/ms03-039.mspx
http://www.microsoft.com/technet/security/bulletin/ms03-007.mspx
http://www.microsoft.com/technet/security/bulletin/ms01-059.mspx
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