W32/Rbot-WV is a network worm with backdoor functionality for the Windows platform.
W32/Rbot-WV is capable of spreading to computers on the local network protected by weak passwords after receiving the appropriate backdoor command. The worm can also spread by exploiting a number of software vulnerabilities.
W32/Rbot-WV is a network worm with backdoor functionality for the Windows platform.
W32/Rbot-WV is capable of spreading to computers on the local network protected by weak passwords after receiving the appropriate backdoor command.
W32/Rbot-WV will attempt to spread by exploiting the following vulnerabilities:
DCOM (MS04-012)
LSASS and IIS5SSL (MS04-011)
UPNP (MS01-059)
Workstation Service (MS03-049)
Buffer overflow in certain versions of DameWare (CAN-2003-1030)
Microsoft SQL servers with weak passwords
Backdoors and vulnerabilities opened up by other malware
When first run, W32/Rbot-WV copies itself to the Windows system folder as P3.EXE and runs this copy of the worm. The copy will then attempt to delete the original file. In order to run each time a user logs in, W32/Rbot-WV will set the following registry entries:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
MSPluginSrvc
p3.exe
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
MSPluginSrvc
p3.exe
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
MSPluginSrvc
p3.exe
The worm runs continuously in the background, providing backdoor access to the infected computer over IRC channels.
W32/Rbot-WV may modify the following registry entries in order to enable/disable DCOM and open/close restrictions on IPC$ shares:
HKLM\SOFTWARE\Microsoft\Ole\EnableDCOM
HKLM\SYSTEM\CurrentControlSet\Control\Lsa\restrictanonymous
W32/Rbot-WV is capable of altering the following registry entry in order to restrict anonymous enumeration of SAM accounts:
HKLM\SYSTEM\CurrentControlSet\Control\Lsa\restrictanonymousSAM
W32/Rbot-WV can add and delete network shares and users on the infected computer. The worm can also change the network logon rights of accounts in the local system policy.