Thank you for the suggestions. I will email the authors and ask if they can provide an archive instead of the installer. 2011/2/9 Lukas Fleischer <archlinux@cryptocrack.de>
On Wed, Feb 09, 2011 at 12:37:16PM +0000, Michael Schubert wrote:
I tried the following:
$ cat CellDesigner-4.1-linux-installer.bin | tar -xzvf - $ cat CellDesigner-4.1-linux-installer.bin | tar -xjvf - $ cat CellDesigner-4.1-linux-installer.bin | tar -xJvf -
each of which failed with "unknown archive type".
$ file CellDesigner-4.1-linux-installer.bin: ELF 32-bit LSB executable, Intel 80386, version 1 (GNU/Linux), statically linked, stripped $ strings CellDesigner-4.1-linux-installer.bin | grep '$Info' $Info: This file is packed with the UPX executable packer http://upx.sf.net $ $ upx -d CellDesigner-4.1-linux-installer.bin > /dev/null upx: CellDesigner-4.1-linux-installer.bin: CantUnpackException: header corrupted 2
Looks like an UPX-packed executable with an additional wrapper (might be another layer of encryption/compression) or a modified version of UPX. This is probably not so easy to unpack and needs more investigation.