Computer Security Wiki
  • Net-Worm.Win32.Sasser.a (Kaspersky Labs)
  • W32/Sasser.worm.a (McAfee)
  • W32.Sasser.gen (Symantec)
  • Win32.HLLW.Jobaka (Doctor Web)
  • W32/Sasser-F (Sophos)
  • Win32/Sasser.A.worm (RAV)
  • Worm/Zusha.A (Avira)
  • Win32.Worm.Sasser.F (SOFTWIN)
  • W32/Sasser.A.worm (Panda)
  • Win32/Sasser.A (Eset)
Type Worm
Affected platform/s Windows XP, 2000

Sven Jaschan[1]

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Sasser is a computer worm that affects computers running vulnerable versions of the Microsoft operating systems Windows XP and Windows 2000. Sasser spreads by exploiting the system through a vulnerable network port (as do certain other worms). Thus it is particularly virulent in that it can spread without user intervention, but it is also easily stopped by a properly configured firewall or by downloading system updates from Windows Update. The specific hole Sasser exploits is documented by Microsoft in its MS04-011 bulletin, for which a patch had been released seventeen days earlier.

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