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Summary
Summary
Action- More Information
| How it spreads |
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|---|---|
| Affected operating systems | Windows |
| Characteristics |
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| Protection available since | 2 September 2004 08:07:28 (GMT) |
| Detected by | All Sophos products |
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Action
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- Action
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More Information
W32/Sdbot-OH is an IRC backdoor Trojan and network worm.
W32/Sdbot-OH copies itself to network shares protected by weak passwords using the name bling.exe.
When first run W32/Sdbot-OH copies itself to the Windows system folder as syscfg32.exe and sets the following registry entries to ensure it is run at system logon:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
Configuration Loader = Syscfg32.exe
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices\
Configuration Loader = Syscfg32.exe
Each time W32/Sdbot-OH is run it attempts to connect to a remote IRC server and join a specific channel. The worm then runs in the background allowing a remote intruder to issue commands which control the computer.
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