high
Summary
Summary
Action- More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
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| Protection available since | 2 November 2005 09:55:10 (GMT) |
| Detected by | All Sophos products |
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Action
- Summary
- Action
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More Information
W32/Rbot-AUA is a worm and IRC backdoor Trojan for the Windows platform.
W32/Rbot-AUA spreads:
- to other network computers infected with: Troj/Kuang, Troj/Sub7, Troj/NetDevil, W32/MyDoom, W32/Bagle and 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), WebDav (MS03-007), IIS5SSL (MS04-011) (CAN-2003-0719), UPNP (MS01-059), Veritas (CAN-2004-1172), Dameware (CAN-2003-1030), PNP (MS05-039) and ASN.1 (MS04-007)
- by copying itself to network shares protected by weak passwords
W32/Rbot-AUA 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-AUA copies itself to <System>\msnxpexe.exe.
The following registry entries are created to run msnxpexe.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
System Service
msnxpexe.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
System Service
msnxpexe.exe
Registry entries are set as follows:
HKCU\Software\Microsoft\OLE
System Service
msnxpexe.exe
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1
W32/Rbot-AUA attempts to terminate security related processes.
Information on the exploits above can be found here:
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