In message: <[EMAIL PROTECTED]> Giorgos Keramidas <[EMAIL PROTECTED]> writes: : On 2008-02-18 19:54, Jerry Toung <[EMAIL PROTECTED]> wrote: : >On Feb 18, 2008 5:39 PM, Dimitry Andric <[EMAIL PROTECTED]> wrote: : >>On 2008-02-19 02:18, Jerry Toung wrote: : >>> anybody knows of a tool to encrypt executables under FreeBSD? may be : >>> from the ports? I am not talking about simple file encryption. : >> : >> Can you elaborate on what you *are* talking about then? Some : >> security-by-obscurity scheme, perhaps? :) : > : > I need to encrypt elf binaries. I'd like to make it harder for the bad : > guy to reverse engineer my app. : : You know about truss/ktrace/strace already, right? : : It may be moot to encrypt the ELF binary, if the `bad guy' can access : the running image of the process *after* it has been decrypted to : execute.
kill -ABRT will generate a core file. Often times, the core file can be quite useful in recovering the original executable. emacs has used this technique for years to 'preload' stuff, take a core dump, then re-run the core file after some post-processing. Warner _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"