mirror of
https://github.com/Matir/skel.git
synced 2026-05-25 21:19:09 -07:00
23 lines
603 B
Bash
23 lines
603 B
Bash
if have_command nasm && have_command objdump ; then
|
|
assemble_shellcode() {
|
|
if [ -z "$1" ] ; then echo "Usage: $0 <assembly file>" >&2 ; return 1 ; fi
|
|
local NASM=`command which nasm`
|
|
local OBJDUMP=`command which objdump`
|
|
local TMPF=`mktemp`
|
|
local bytes
|
|
local byte
|
|
local format="elf"
|
|
if [[ "$OSTYPE" == darwin* ]]; then
|
|
format="macho64"
|
|
fi
|
|
$NASM -f $format -o $TMPF $1
|
|
$OBJDUMP -M intel -d $TMPF | grep '^ ' | cut -f2 | while read -A bytes ; do
|
|
for byte in $bytes ; do
|
|
echo -n "\\\\x$byte"
|
|
done
|
|
done
|
|
echo
|
|
rm $TMPF
|
|
}
|
|
fi
|