high
Summary
Summary
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| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 19 November 2005 20:43:16 (GMT) |
| Detected by | All Sophos products |
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Action
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More Information
W32/Tilebot-BJ is a worm and IRC backdoor Trojan for the Windows platform.
W32/Tilebot-BJ spreads to other network computers by exploiting common buffer overflow vulnerabilities, including: WKS (MS03-049) (CAN-2003-0812), PNP (MS05-039) and ASN.1 (MS04-007).
W32/Tilebot-BJ 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/Tilebot-BJ includes functionality to access the internet and communicate with a remote server via HTTP. W32/Tilebot-BJ is a worm and IRC backdoor Trojan for the Windows platform.
W32/Tilebot-BJ spreads to other network computers by exploiting common buffer overflow vulnerabilities, including: WKS (MS03-049) (CAN-2003-0812), PNP (MS05-039) and ASN.1 (MS04-007).
W32/Tilebot-BJ 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/Tilebot-BJ includes functionality to access the internet and communicate with a remote server via HTTP.
When first run W32/Tilebot-BJ copies itself to <Windows>\msinit.exe.
The file msinit.exe is registered as a new system driver service named "Microsoft Scheduling Agent", with a display name of "msinit" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\Microsoft Scheduling Agent\
W32/Tilebot-BJ sets the following registry entries, disabling the automatic startup of other software:
HKLM\SYSTEM\CurrentControlSet\Services\Messenger
Start
4
HKLM\SYSTEM\CurrentControlSet\Services\RemoteRegistry
Start
4
HKLM\SYSTEM\CurrentControlSet\Services\TlntSvr
Start
4
Registry entries are set as follows:
HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
DoNotAllowXPSP2
1
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1
Registry entries are created under:
HKLM\SOFTWARE\Microsoft\Security Center\
UpdatesDisableNotify
1
HKLM\SOFTWARE\Microsoft\Security Center\
AntiVirusDisableNotify
1
HKLM\SOFTWARE\Microsoft\Security Center\
FirewallDisableNotify
1
HKLM\SOFTWARE\Microsoft\Security Center\
AntiVirusOverride
1
HKLM\SOFTWARE\Microsoft\Security Center\
FirewallOverride
1
HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile\
EnableFirewall
0
HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\StandardProfile\
EnableFirewall
0
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