W32/Rbot-BDF

Category: Viruses and Spyware
Type: Win32 worm
Prevalence: Small Number of Reports

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W32/Rbot-BDF is a worm and IRC backdoor Trojan for the Windows platform.

W32/Rbot-BDF spreads to other network computers by exploiting common buffer overflow vulnerabilities, including: LSASS (MS04-011), RPC-DCOM (MS04-012), WKS (MS03-049) (CAN-2003-0812), PNP (MS05-039) and ASN.1 (MS04-007) and by copying itself to network shares protected by weak passwords.

W32/Rbot-BDF 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. W32/Rbot-BDF is a worm and IRC backdoor Trojan for the Windows platform.

W32/Rbot-BDF spreads to other network computers by exploiting common buffer overflow vulnerabilities, including: LSASS (MS04-011), RPC-DCOM (MS04-012), WKS (MS03-049) (CAN-2003-0812), PNP (MS05-039) and ASN.1 (MS04-007) and by copying itself to network shares protected by weak passwords.

W32/Rbot-BDF 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-BDF copies itself to <System>\winxpser.exe.

The following registry entries are created to run winxpser.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Service Monitor
winxpser.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Service Monitor
winxpser.exe

The following registry entry is set:

HKCU\Software\Microsoft\OLE
Service Monitor
winxpser.exe

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