Type
Spyware Worm
Aliases
Backdoor.Win32.Rbot.akr
W32/Rbot-BFM is a network worm with backdoor Trojan functionality for the Windows platform.
W32/Rbot-BFM spreads using a variety of techniques including:
-exploiting weak passwords on computers and SQL servers
-exploiting operating system vulnerabilities such as LSASS (MS04-011) and RPC-DCOM (MS04-012)
-using backdoors opened by other worms or Trojans.
W32/Rbot-BFM can be controlled by a remote attacker over IRC channels.
http://www.sophos.com/virusinfo/analyses/w32rbotbfm.html
W32/Rbot-BFL
Type
Spyware Worm
W32/Rbot-BFL is an internet worm and IRC backdoor Trojan for the Windows platform.
W32/Rbot-BFL spreads to other network computers by exploiting common buffer overflow vulnerabilities, including: LSASS (MS04-011) and RPC-DCOM (MS04-012) and by copying itself to network shares protected by weak passwords.
W32/Rbot-BFL 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-BFL includes functionality to:
- steal confidential information
- carry out DDoS flooder attacks
- silently download, install and run new software
The following patches for the operating system vulnerabilities exploited by W32/Rbot-BFL can be obtained from the Microsoft website:
http://www.microsoft.com/technet/security/bulletin/MS04-011.mspx
http://www.microsoft.com/technet/security/bulletin/MS04-012.mspx
http://www.sophos.com/virusinfo/analyses/w32rbotbfl.html

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