Immunity Debugger Endian Swap PyCommand

endswap.py

"""
Immunity Debugger Endian Swap
themson mester
endianswap.py simple script to swap byte order of addresses
"""

__VERSION__ = '1.1'

import immlib

DESC = "Swap byte order of input address"

def usage(imm):
    imm.log("!endswap <ADDRESS> [format <raw>||<py>]")
    imm.log("For example: !endswap 7CA7A787")

def get_pyformat(raw_addr):    
    bytes = [raw_addr[x:x+2] for x in range(0, len(raw_addr), 2)]
    return '{}{}'.format('\\x','\\x'.join(bytes)) 
    
def get_raw(address):
    raw_addr = address.decode('hex')    
    raw_addr = raw_addr[::-1]
    return raw_addr.encode('hex')

def main(args):
    valid_formats = ('raw', 'py')
    format = 'raw'
    if not args:
        return "Usage: !endswap <ADDRESS> [format <raw>||<py>]"
    address = args[0]
    if len(address) not in (8, 16):
        return "Invalid Address Length: {}".format(len(address))
    if len(args) == 2 and args[1] in valid_formats:
            format = args[1]
    try:
        raw_addr = get_raw(address).upper()
    except TypeError as e:
        return("ERROR: {}".format(e.args))       
    if format == 'raw':
        return '{}'.format(raw_addr)
    elif format == 'py':
        return "'{}'".format(get_pyformat(raw_addr))

Immunity Debugger PyCommand to swap endianness of an address.