decompiler or exe2c/exe2asm

http://www.program-transformation.org/Transform/DecompilationResources

http://www.program-transformation.org/Transform/HistoryOfDecompilation3

http://desquirr.sourceforge.net/desquirr/links.php

http://www.itee.uq.edu.au/~cristina/dcc.html

http://compilers.iecc.com/comparch/article/96-01-017

http://lcamtuf.coredump.cx/fenris/debug-tools.html