high
Summary
Summary
Action- More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 12 December 2005 22:00:03 (GMT) |
| Detected by | All Sophos products |
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Action
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- Action
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More Information
W32/Rbot-BBC is a worm with backdoor functionality for the Windows platform.
W32/Rbot-BBC spreads:
- to other network computers infected with Troj/Optix
- to other network computers by exploiting common buffer overflow vulnerabilities, including: LSASS (MS04-011), RPC-DCOM (MS04-012), WKS (MS03-049) (CAN-2003-0812), Veritas (CAN-2004-1172) and ASN.1 (MS04-007)
- by copying itself to network shares protected by weak passwords
W32/Rbot-BBC runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.
When first run W32/Rbot-BBC copies itself to <Windows system folder>\NPFMONTR32.exe.
The following registry entries are created to run NPFMONTR32.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
NPF Value
NPFMONTR32.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
NPF Value
NPFMONTR32.exe
Registry entries are set as follows:
HKCU\Software\Microsoft\OLE
NPF Value
NPFMONTR32.exe
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
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