Originally Posted by @lx
I can go as low as 19Ko with my own packer, so, at this level, this is important!
Any chance to see a sample packed file?
I'm using IDA as a disassembler and PDB files from Microsoft.
SSCLI is good but their PEDecoder class is incomplete. Once you start hacking more of .NET internals, it becomes a problem. Files that would pass all checks of SSCLI, could fail in real OS.