high
Summary
Summary
Action- More Information
| How it spreads |
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|---|---|
| Affected operating systems | Windows |
| Characteristics |
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| Protection available since | 26 April 2006 20:13:36 (GMT) |
| Detected by | All Sophos products |
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More Information
W32/Rbot-DDF is a worm and IRC backdoor for the Windows platform.
The worm attempts to spread by copying itself to remote network shares or by exploiting any of the following vulnerabilities: LSASS (MS04-011), RPC-DCOM (MS04-012), ASN.1 (MS04-007).
W32/Rbot-DDF 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-DDF includes functionality to access the internet and communicate with a remote server via HTTP.
The following patches for the operating systems vulnerabilities exploited by W32/Rbot-DDF are available from Microsoft:
MS04-007
MS04-011
MS04-012
W32/Rbot-DDF is a worm and IRC backdoor for the Windows platform.
The worm attempts to spread by copying itself to remote network shares or by exploiting any of the following vulnerabilities: LSASS (MS04-011), RPC-DCOM (MS04-012), ASN.1 (MS04-007).
W32/Rbot-DDF 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-DDF includes functionality to access the internet and communicate with a remote server via HTTP.
When first run W32/Rbot-DDF copies itself to <Windows system folder>\algsys.exe.
The file algsys.exe is registered as a new system driver service named "ALGS", with a display name of "Application Layer Gateway System" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\ALGS\
The following patches for the operating systems vulnerabilities exploited by W32/Rbot-DDF are available from Microsoft:
MS04-007
MS04-011
MS04-012
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