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19 lines
550 B
Bash
19 lines
550 B
Bash
if [ -f "`command which nasm 2>/dev/null`" -a -f "`command which objdump 2>/dev/null`" ] ; then
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assemble_shellcode() {
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if [ -z "$1" ] ; then echo "Usage: $0 <assembly file>" >&2 ; return 1 ; fi
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local NASM=`command which nasm`
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local OBJDUMP=`command which objdump`
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local TMPF=`mktemp`
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local bytes
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local byte
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$NASM -f elf -o $TMPF $1
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$OBJDUMP -M intel -d $TMPF | grep '^ ' | cut -f2 | while read -A bytes ; do
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for byte in $bytes ; do
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echo -n "\\\\x$byte"
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done
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done
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echo
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rm $TMPF
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}
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fi
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