Summary

Summary
Action
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| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Protection available since | 5 August 2005 09:29:17 (GMT) |
| Detected by | All Sophos products |
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Action

Summary
Action
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Please follow the instructions for removing worms.
More Information
W32/Rbot-AKA is a network worm with backdoor Trojan functionality for the Windows platform.
W32/Rbot-AKA spreads using a variety of techniques including exploiting weak passwords on computers and SQL servers, exploiting operating system vulnerabilities (including DCOM-RPC, LSASS and WKS) and using backdoors opened by other worms or Trojans.
W32/Rbot-AKA can be controlled by a remote attacker over IRC channels. W32/Rbot-AKA is a network worm with backdoor Trojan functionality for the Windows platform.
The worm copies itself to a file named tskmgr.exe in the Windows system folder and creates the following registry entries:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
MS taskmanager
"tskmgr.exe"
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
MS taskmanager
"tskmgr.exe"
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
MS taskmanager
"tskmgr.exe"
The worm may also set the following registry values:
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
"N"
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
dword:00000001
W32/Rbot-AKA spreads using a variety of techniques including exploiting weak passwords on computers and SQL servers, exploiting operating system vulnerabilities (including DCOM-RPC, LSASS and WKS) and using backdoors opened by other worms or Trojans.
W32/Rbot-AKA can be controlled by a remote attacker over IRC channels. The backdoor component of W32/Rbot-AKA 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 from certain software
Patches for the operating system vulnerabilities exploited by W32/Rbot-AKA can be obtained from Microsoft at:
http://www.microsoft.com/technet/security/bulletin/ms02-039.mspx
http://www.microsoft.com/technet/security/bulletin/ms03-049.mspx
http://www.microsoft.com/technet/security/bulletin/ms04-011.mspx
http://www.microsoft.com/technet/security/bulletin/ms04-012.mspx
