It allows any local user to launch any command line as SYSTEM. See http://www.microsoft.com/technet/security/bulletin/ms00-003.asp.
Backdoor Program [Panda]destructive program [F-Prot]Trj/HK [Panda]Trojan.Win32.HKTrojan.Win32.HK [Kaspersky]Win32.HK [Computer Associates]Win32/HK!Trojan [Computer Associates]
hk.exeiissrvs.exejasfv.exe
iis.dlliisl.dlljasfv.dll