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Win32/Sasser
Description:Win32/Sasser is a family of network worms that exploit the Local Security Authority Subsystem Service (LSASS) vulnerability fixed in Microsoft Security Update MS04-011. The worm spreads by randomly scanning IP addresses for vulnerable machines and infecting any that are found.
Published Date:Apr 11, 2011
Alert level:severe

Worm:Win32/Sasser.F
Description:Win32/Sasser.F.worm is a network worm that exploits the Local Security Authority Subsystem Service (LSASS) vulnerability fixed in Microsoft Security Update MS04-011. The worm targets Windows 2000 and Windows XP computers that do not have MS04-011 installed. Infected computers attempt to spread the...
Published Date:Feb 21, 2005
Alert level:severe

Worm:Win32/Sasser.D
Description:Win32/Sasser.D.worm is a network worm that exploits the Local Security Authority Subsystem Service (LSASS) vulnerability fixed in Microsoft Security Update MS04-011. The worm targets Windows XP computers that do not have MS04-011 installed. Unlike previous variants, Sasser.D does not work on Windows...
Published Date:Feb 21, 2005
Alert level:severe

Worm:Win32/Sasser.A
Description:Win32/Sasser.A is a network worm that exploits the Local Security Authority Subsystem Service (LSASS) vulnerability fixed in Microsoft Security Update MS04-011. The worm targets Windows 2000 and Windows XP computers that have not installed the MS04-011 security update. Infected computers attempt to...
Published Date:Apr 28, 2006
Alert level:severe

Worm:Win32/Sasser.B
Description:Win32/Sasser.B is a network worm that exploits the Local Security Authority Subsystem Service (LSASS) vulnerability fixed in Microsoft Security Update MS04-011. The worm targets Windows 2000 and Windows XP computers that do not have the MS04-011 security update installed. Infected computers attempt...
Published Date:Feb 21, 2005
Alert level:severe

Win32/Sasser.C.worm
Description:Win32/Sasser.C is a network worm that exploits the Local Security Authority Subsystem Service (LSASS) vulnerability fixed in Microsoft Security Update MS04-011. The worm targets Windows 2000 and Windows XP computers that do not have the MS04-011 security update installed. Infected computers attempt...
Published Date:Aug 04, 2005
Alert level:high

Worm:Win32/Sasser.E
Description:Win32/Sasser.E.worm is a network worm that exploits the Local Security Authority Subsystem Service (LSASS) vulnerability fixed in Microsoft Security Update MS04-011. The worm targets Windows XP computers that do not have MS04-011 installed. Infected computers attempt to spread the worm to...
Published Date:Feb 21, 2005
Alert level:severe

Worm:Win32/Sasser.G
Description:Win32/Sasser.G.worm is a network worm that exploits the Local Security Authority Subsystem Service (LSASS) vulnerability fixed in Microsoft Security Update MS04-011. The worm targets Windows XP computers that do not have MS04-011 installed. Infected computers attempt to spread the worm to...
Published Date:Feb 21, 2005
Alert level:severe

Worm:Win32/Sasser.C
Description:Win32/Sasser.C is a network worm that exploits the Local Security Authority Subsystem Service (LSASS) vulnerability fixed in Microsoft Security Update MS04-011. The worm targets Windows 2000 and Windows XP computers that do not have the MS04-011 security update installed. Infected computers attempt...
Published Date:Dec 04, 2007
Alert level:severe

Backdoor:Win32/Rbot.EY
Description:Backdoor:Win32/Rbot.ED is a backdoor Trojan that connects to an IRC server to receive commands from remote attackers. Commands could include instructions to spread to other computers via open network shares or by exploit of a security vulnerability, or to launch a denial of service (DoS) attack...
Published Date:Apr 11, 2011
Alert level:severe