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VAIO Packaging Manager Extractor v2.0 & Fujitsu SFX Packager Extractor v2.0

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VAIO Packaging Manager Extractor v2.0

Major de-obfuscation speed increase, up to x13 times
Improved VAIO executable unlocking procedure

Fujitsu SFX Packager Extractor v2.0

Major de-obfuscation speed increase, up to x13 times
This commit is contained in:
platomav 2020-06-26 16:18:37 +03:00
parent ac1c3580d3
commit 76f42ccf61
2 changed files with 30 additions and 35 deletions
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31
Fujitsu SFX Packager Extractor/Fujitsu_Package_Extract.py
View file

@ -3,10 +3,10 @@
"""
Fujitsu Package Extractor
Fujitsu SFX Packager Extractor
Copyright (C) 2019 Plato Mavropoulos
Copyright (C) 2019-2020 Plato Mavropoulos
"""
print('Fujitsu SFX Packager Extractor v1.0')
print('Fujitsu SFX Packager Extractor v2.0')
import os
import re
@ -42,24 +42,21 @@ for input_file in fjsfx_exec :
# Check if Microsoft CAB Header XOR 0xFF pattern exists
if match_mscf :
print('\n Detected obfuscated Microsoft CAB image.')
print('\n Detected Obfuscation!')
mscf_start = match_mscf.start() + 0xA # Microsoft CAB Header XOR 0xFF starts after "FjSfxBinay" signature
# Determine the Microsoft CAB image Size
cab_size_hex = bytearray(4) # Initialize LE Hex CAB Size as mutable bytearray
cab_size_xor = FjSfx[mscf_start + 0x8:mscf_start + 0xC] # Get LE XOR-ed CAB Size
for idx in range(4) : # Parse each CAB Size byte
cab_size_hex[idx] = cab_size_xor[idx] ^ 0xFF # Perform XOR 0xFF
cab_size = int.from_bytes(cab_size_hex, 'little') # Get BE Actual CAB Size
print('\n Removing Obfuscation...') # May take a while
cab_size = int.from_bytes(FjSfx[mscf_start + 0x8:mscf_start + 0xC], 'little') # Get LE XOR-ed CAB Size
xor_size = int.from_bytes(b'\xFF' * 0x4, 'little') # Create CAB Size XOR value
cab_size = cab_size ^ xor_size # Perform XOR 0xFF and get actual CAB Size
print('\n Removing Obfuscation...')
# Determine the Microsoft CAB image Data
cab_data = bytearray(cab_size) # Initialize CAB Data as mutable bytearray
cab_data_xor = FjSfx[mscf_start:mscf_start + cab_size] # Get XOR-ed CAB Data
for idx in range(cab_size) : # Parse each CAB Data byte
cab_data[idx] = cab_data_xor[idx] ^ 0xFF # Perform XOR 0xFF and get Actual CAB Data
cab_data = int.from_bytes(FjSfx[mscf_start:mscf_start + cab_size], 'big') # Get BE XOR-ed CAB Data
xor_data = int.from_bytes(b'\xFF' * cab_size, 'big') # Create CAB Data XOR value
cab_data = (cab_data ^ xor_data).to_bytes(cab_size, 'big') # Perform XOR 0xFF and get actual CAB Data
print('\n Extracting...')
@ -69,14 +66,14 @@ for input_file in fjsfx_exec :
try :
decomp = subprocess.run(['7z', 'x', '-aou', '-bso0', '-bse0', '-bsp0', '-o' + extr_path, 'fjsfx_temp.cab']) # 7-Zip
print('\n Extracted!')
except :
print('\n Error: Could not decompress Microsoft CAB image!')
print(' Make sure that "7z" executable exists!\n')
print(' Make sure that "7z" executable exists!')
os.remove('fjsfx_temp.cab') # Remove temporary CAB image
print('\n Extracted!')
else :
print('\n Error: No Fujitsu SFX Packager found!')
continue # Next input file