$ perl perlc.pl a.pl -key password -exe a
Out: a.c
Exe: a

$ gdb a
...
(gdb) start
Temporary breakpoint 1 at 0x8062cc5
Starting program: /tmp/eric/b/a 

Temporary breakpoint 1, 0x08062cc5 in main ()
(gdb) disassemble
Dump of assembler code for function main:
...
0x08062df0 <main+302>:  movl   $0x1,0x4(%esp)
0x08062df8 <main+310>:  movl   $0x8167020,(%esp)
0x08062dff <main+317>:  call   0x8075b30 <Perl_eval_pv>
...
End of assembler dump.
(gdb) break *0x08062dff
Breakpoint 2 at 0x8062dff
(gdb) continue
Continuing.

Breakpoint 2, 0x08062dff in main ()
(gdb) printf "%s", 0x8167020
# Super secret!
print("Hello World\n");

[download]

Took me 6 minutes to figure out, and I've never used gdb or this assembler language.

If bleached, follow up with unbleach.pl.

Update: Oops, I have used gdb to get a backtrace of a segfaulting process. I never used any of the commands uses here, though.

In reply to Re^16: What happened to perlcc? (perlc script extractor) by ikegami
in thread What happened to perlcc? by rgiskard

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