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Detect Date | 04/28/2007 |
Class | Net-Worm |
Platform | Win32 |
Description |
Technical DetailsWorm.Win32.Padobot.a (also known as Korgo) spreads throughout the Internet using a vulnerability in Microsoft Windows LSASS. A description of the vulnerability can be found in Microsoft Security Bulletin MS04-011 The worm is written in C++ and is approximately 10KB in size, packed using UPX. PropagationWhen launching, the worm copies itself to the Windows system directory under a random name, and registers this file in the system registry auto-run key: [HKLMSOFTWAREMicrosoftWindowsCurrentVersionRun] WinUpdate = %system%name of file It also creates a registry key HKLMSOFTWAREMicrosoftWireless Server = 1 It creates the mutexes “10”, “u2” and “uterm5” to flag its presence in the system. The worm chooses the IP-addresses of random machines to infect and attack, similar to other worms which exploit the same LSASS vulnerability. OtherOnce infected, a victim machine will display an error message that the LSASS service has failed. After this error message has been displayed, the computer may reboot. The worm open TCP ports 113, 3067 and 2041 to receive commands. It attempts to connect to several IRC channels: moscow-advokat.ru graz.at.eu.undernet.org flanders.be.eu.undernet.org caen.fr.eu.undernet.org brussels.be.eu.undernet.org los-angeles.ca.us.undernet.org washington.dc.us.undernet.org london.uk.eu.undernet.org lia.zanet.net gaspode.zanet.org.za irc.kar.net to receive commands and transmit data. |
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