Spot the bug quickly.
Network PEid - see the bugs in the network stream http://www.malforge.com/npeid/npeid.zip
PEid - extract the details about the bugs packaging and more http://www.peid.info/ and http://upx.sourceforge.net/
Throw in a bit of cryptography, MD5 (Message-Digest algorithm 5) application use.
Now, if only this was all automated.
Have fun!
