class Manifest(Obfuscator):
def __init__(self, path, config):
Obfuscator.__init__(self, path, config)
self.axml = AXML(os.path.join(path, 'AndroidManifest.xml'))
def endianify(self, value):
value = '%08x' % value
charify = lambda x: chr(int(x, 16))
return charify(value[6:8]) + charify(value[4:6]) + charify(
value[2:4]) + charify(value[0:2])
def littleEndian(self, text, off, size=4):
h = int(
''.join(['%02x' % ord(c)
for c in text[off + size - 1:off - 1:-1]]), 16)
return h
def run(self):
strings_index_table, strings = self.axml.parse_strings()
axml = self.axml.content
available = []
resource_ids = []
for i, string in enumerate(strings):
if 'resource_id' in string:
available.append(string['value'])
resource_ids.append(string['resource_id'])
if string['value'] in self.config and \
('resource_id' in string or not self.config[string['value']].get('check_resource_id', True)):
value = self.config[string['value']]['value']
size = self.config[string['value']].get('size', len(value))
diff = len(value) - string['size']
if self.config[string['value']].get('add_null_bytes', True):
diff += 2
value = value + '\x00\x00'
size = '%04x' % (size / 2)
size = chr(int(size[2:4], 16)) + chr(int(size[:2], 16))
axml = axml[:string['offset'] - 2] + size + \
value + \
axml[(string['size'] + string['offset']):]
for j in xrange(i + 1, len(strings_index_table)):
axml = axml[:strings_index_table[j]['offset']] + \
self.endianify(strings_index_table[j]['value'] + diff) + \
axml[strings_index_table[j]['offset']+4:]
strings[j]['offset'] += diff
strings_index_table[j]['value'] += diff
axml = axml[:4] + \
self.endianify(self.littleEndian(axml, 4) + diff) + \
axml[8:]
axml = axml[:0xc] + \
self.endianify(self.littleEndian(axml, 0xc) + diff) + \
axml[0x10:]
with open(os.path.join(self.path, 'AndroidManifest.xml'), 'wb') as f:
f.write(axml)
_, strings = self.axml.parse_strings()
logging.debug('Strings with a resource ID: ' + str(available))
logging.debug('Resource IDs: ' +
str(['0x%08x' % x for x in resource_ids]))
logging.debug('All strings: ' + str([s['value'] for s in strings]))
class Manifest(Obfuscator):
def __init__(self, path, config):
Obfuscator.__init__(self, path, config)
self.axml = AXML(os.path.join(path, 'AndroidManifest.xml'))
def endianify(self, value):
value = '%08x' % value
charify = lambda x : chr(int(x, 16))
return charify(value[6:8]) + charify(value[4:6]) + charify(value[2:4]) + charify(value[0:2])
def littleEndian(self, text, off, size=4):
h = int(''.join(['%02x' %ord(c) for c in text[off+size-1:off-1:-1]]), 16)
return h
def run(self):
strings_index_table, strings = self.axml.parse_strings()
axml = self.axml.content
available = []
resource_ids = []
for i, string in enumerate(strings):
if 'resource_id' in string:
available.append(string['value'])
resource_ids.append(string['resource_id'])
if string['value'] in self.config and \
('resource_id' in string or not self.config[string['value']].get('check_resource_id', True)):
value = self.config[string['value']]['value']
size = self.config[string['value']].get('size', len(value))
diff = len(value) - string['size']
if self.config[string['value']].get('add_null_bytes', True):
diff += 2
value = value + '\x00\x00'
size = '%04x' % (size/2)
size = chr(int(size[2:4], 16)) + chr(int(size[:2],16))
axml = axml[:string['offset'] - 2] + size + \
value + \
axml[(string['size'] + string['offset']):]
for j in xrange(i+1, len(strings_index_table)):
axml = axml[:strings_index_table[j]['offset']] + \
self.endianify(strings_index_table[j]['value'] + diff) + \
axml[strings_index_table[j]['offset']+4:]
strings[j]['offset'] += diff
strings_index_table[j]['value'] += diff
axml = axml[:4] + \
self.endianify(self.littleEndian(axml, 4) + diff) + \
axml[8:]
axml = axml[:0xc] + \
self.endianify(self.littleEndian(axml, 0xc) + diff) + \
axml[0x10:]
with open(os.path.join(self.path, 'AndroidManifest.xml'), 'wb') as f:
f.write(axml)
_, strings = self.axml.parse_strings()
logging.debug('Strings with a resource ID: ' + str(available))
logging.debug('Resource IDs: ' + str(['0x%08x' % x for x in resource_ids]))
logging.debug('All strings: ' + str([s['value'] for s in strings]))
def __init__(self, path, config):
Obfuscator.__init__(self, path, config)
self.axml = AXML(os.path.join(path, 'AndroidManifest.xml'))
def __init__(self, path, config): Obfuscator.__init__(self, path, config) self.axml = AXML(os.path.join(path, 'AndroidManifest.xml'))