Any of a number of exploits designed to compromise Unix systems.
Backdoor.WLF.dr [Kaspersky]Bck/WLF.dr [Panda]I-Worm.Badtrans.a [Kaspersky]W32/Badtrans [Panda]W32/BadTrans@MM [McAfee]Win32.Badtrans.13312 [Computer Associates]Win32.NTHack [Computer Associates]Win32/BadTrans.13312!Worm [Computer Associates]
1e2ca2.exers.exesud.exe