def connect_n_mount(self):
"""Test ADB Connection."""
self.adb_command(['kill-server'])
self.adb_command(['start-server'])
logger.info('ADB Restarted')
self.wait(2)
logger.info('Connecting to Android %s', self.identifier)
if not self.run_subprocess_verify_output(
[get_adb(), 'connect', self.identifier]):
return False
logger.info('Restarting ADB Daemon as root')
if not self.run_subprocess_verify_output(
[get_adb(), '-s', self.identifier, 'root']):
return False
logger.info('Reconnecting to Android Device')
# connect again with root adb
if not self.run_subprocess_verify_output(
[get_adb(), 'connect', self.identifier]):
return False
# identify environment
runtime = self.get_environment()
logger.info('Remounting')
# Allow non supported environments also
self.adb_command(['remount'])
logger.info('Performing System check')
if not self.system_check(runtime):
return False
return True
def connect_n_mount(self):
"""Test ADB Connection."""
self.adb_command(['kill-server'])
self.adb_command(['start-server'])
logger.info('ADB Restarted')
self.wait(2)
logger.info('Connecting to Android %s', self.identifier)
if not self.run_subprocess_verify_output([get_adb(),
'connect',
self.identifier]):
return False
logger.info('Restarting ADB Daemon as root')
if not self.run_subprocess_verify_output([get_adb(), 'root']):
return False
logger.info('Reconnect to Android Device')
# connect again with root adb
if not self.run_subprocess_verify_output([get_adb(),
'connect',
self.identifier]):
return False
# mount system
logger.info('Remounting /system')
self.adb_command(['mount', '-o',
'rw,remount', '/system'], True)
return True
def system_check(self, runtime):
"""Check if /system is writable."""
try:
try:
out = self.adb_command(['getprop', 'ro.build.version.sdk'],
True)
if out:
api = int(out.decode('utf-8').strip())
logger.info('Android API Level ' 'identified as %s', api)
if api > ANDROID_API_SUPPORTED:
logger.error('This API Level is not supported'
' for Dynamic Analysis.')
return False
except Exception:
pass
err_msg = ('VM\'s /system is not writable. '
'This VM cannot be used for '
'Dynamic Analysis.')
proc = subprocess.Popen([
get_adb(), '-s', self.identifier, 'shell', 'touch',
'/system/test'
],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
_, stderr = proc.communicate()
if b'Read-only' in stderr:
logger.error(err_msg)
if runtime == 'emulator':
logger.error('Please start the AVD as per '
'MobSF documentation!')
return False
except Exception:
logger.error(err_msg)
return False
return True
def connect():
"""Connect to VM/Device."""
logger.info('Connecting to VM/Device')
adb = get_adb()
subprocess.call([adb, 'kill-server'])
subprocess.call([adb, 'start-server'])
logger.info('ADB Started')
wait(5)
logger.info('Connecting to VM/Device')
out = subprocess.check_output([adb, 'connect', get_identifier()])
if b'unable to connect' in out:
raise ValueError('ERROR Connecting to VM/Device. ',
out.decode('utf-8').replace('\n', ''))
try:
subprocess.call([adb, '-s', get_identifier(), 'wait-for-device'])
logger.info('Mounting')
if settings.ANDROID_DYNAMIC_ANALYZER == 'MobSF_REAL_DEVICE':
adb_command(
['su', '-c', 'mount', '-o', 'rw,remount,rw', '/system'], True)
else:
adb_command(
['su', '-c', 'mount', '-o', 'rw,remount,rw', '/system'], True)
# This may not work for VMs other than the default MobSF VM
adb_command([
'mount', '-o', 'rw,remount', '-t', 'rfs', '/dev/block/sda6',
'/system'
], True)
except Exception:
logger.exception('Connecting to VM/Device')
def start_frida():
fnull = open(os.devnull, 'w')
argz = [get_adb(),
'-s',
self.identifier,
'shell',
'/system/fd_server']
subprocess.call(argz, stdout=fnull, stderr=subprocess.STDOUT)
def final_test(request):
"""Collecting Data and Cleanup."""
global TCP_SERVER_MODE
logger.info('Collecting Data and Cleaning Up')
try:
if request.method == 'POST':
data = {}
md5_hash = request.POST['md5']
package = request.POST['pkg']
if re.findall(r';|\$\(|\|\||&&', package):
return print_n_send_error_response(request,
'Possible RCE Attack', True)
if re.match('^[0-9a-f]{32}$', md5_hash):
# Stop ScreenCast Client if it is running
TCP_SERVER_MODE = 'off'
apk_dir = os.path.join(settings.UPLD_DIR, md5_hash + '/')
adb = get_adb()
# Change to check output of subprocess when analysis is done
# Can't RCE
cmd = ('{} -s {} logcat -d dalvikvm:'
'W ActivityManager:I > "{}logact.txt"').format(
adb, get_identifier(), apk_dir)
os.system(cmd)
logger.info('Downloading Logcat logs')
xposed_out = ('/data/data/'
'de.robv.android.xposed.installer'
'/log/error.log')
adb_command(['pull', xposed_out, apk_dir + 'x_logcat.txt'])
logger.info('Downloading Droidmon API Monitor Logcat logs')
# Can't RCE
cmd = '{} -s {} shell dumpsys > "{}dump.txt"'.format(
adb, get_identifier(), apk_dir)
os.system(cmd)
logger.info('Downloading Dumpsys logs')
adb_command(['am', 'force-stop', package], True)
logger.info('Stopping Application')
adb_command(['am', 'force-stop', 'opensecurity.screencast'],
True)
logger.info('Stopping ScreenCast Service')
data = {'final': 'yes'}
return HttpResponse(json.dumps(data),
content_type='application/json')
else:
return print_n_send_error_response(request,
'Invalid Scan Hash', True)
else:
return print_n_send_error_response(request, 'Only POST allowed',
True)
except Exception:
err = 'Data Collection & Clean Up failed'
logger.exception(err)
return print_n_send_error_response(request, err, True)
def connect_n_mount(self):
"""Test ADB Connection."""
self.adb_command(['kill-server'])
self.adb_command(['start-server'])
logger.info('ADB Restarted')
self.wait(2)
logger.info('Connecting to Android %s', self.identifier)
if not self.run_subprocess_verify_output([get_adb(),
'connect',
self.identifier]):
return False
logger.info('Restarting ADB Daemon as root')
if not self.run_subprocess_verify_output([get_adb(), 'root']):
return False
logger.info('Reconnecting to Android Device')
# connect again with root adb
if not self.run_subprocess_verify_output([get_adb(),
'connect',
self.identifier]):
return False
# identify environment
runtime = self.get_environment()
if runtime == 'emulator':
logger.info('Found Android Studio Emulator')
# mount system
logger.info('Remounting')
self.adb_command(['remount'])
elif runtime == 'genymotion':
logger.info('Found Genymotion x86 VM')
# mount system
logger.info('Remounting /system')
self.adb_command(['mount', '-o',
'rw,remount', '/system'], True)
else:
logger.error('Only Genymotion VM/Android Studio Emulator'
' is supported')
return False
logger.info('Performing System check')
if not self.system_check(runtime):
return False
return True
def adb_command(self, cmd_list, shell=False, silent=False):
"""ADB Command wrapper."""
args = [get_adb(), '-s', self.identifier]
if shell:
args += ['shell']
args += cmd_list
try:
result = subprocess.check_output(args, stderr=subprocess.STDOUT)
return result
except Exception:
if not silent:
logger.exception('Error Running ADB Command')
return None
def connect_n_mount(self):
"""Test ADB Connection."""
self.adb_command(['kill-server'])
self.adb_command(['start-server'])
logger.info('ADB Restarted')
self.wait(2)
logger.info('Connecting to Android %s', self.identifier)
out = subprocess.check_output([get_adb(), 'connect', self.identifier])
if b'unable to connect' in out or b'failed to connect' in out:
logger.error('%s', out.decode('utf-8').replace('\n', ''))
return False
else:
logger.info('Remounting /system')
self.adb_command(['mount', '-o', 'rw,remount', '/system'], True)
return True
def adb_command(cmd_list, shell=False, silent=False):
emulator = get_identifier()
adb = get_adb()
args = [adb, '-s', emulator]
if shell:
args += ['shell']
args += cmd_list
try:
result = subprocess.check_output(args)
return result
except Exception:
if not silent:
logger.exception('Running ADB Command')
return None
def is_mobsfyied(self, android_version):
"""Check is Device is MobSFyed."""
logger.info('Environment MobSFyed Check')
if android_version < 5:
agent_file = '.mobsf-x'
agent_str = self.xposed_str
else:
agent_file = '.mobsf-f'
agent_str = self.frida_str
try:
out = subprocess.check_output([
get_adb(), '-s', self.identifier, 'shell', 'cat',
'/system/' + agent_file
])
if agent_str not in out:
return False
except Exception:
return False
return True
def execute_adb(request):
"""Execute ADB Commands."""
data = {'status': 'ok', 'message': ''}
cmd = request.POST['cmd']
if cmd:
args = [get_adb(), '-s', get_device()]
try:
proc = subprocess.Popen(args + cmd.split(' '),
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = proc.communicate()
except Exception:
logger.exception('Executing ADB Commands')
if stdout or stderr:
out = stdout or stderr
out = out.decode('utf8', 'ignore')
else:
out = ''
data = {'status': 'ok', 'message': out}
return json_response(data)
def enable_adb_reverse_tcp(self, version):
"""Enable ADB Reverse TCP for Proxy."""
# Androd 5+ supported
if not version >= 5:
return
proxy_port = settings.PROXY_PORT
logger.info('Enabling ADB Reverse TCP on %s', proxy_port)
tcp = 'tcp:{}'.format(proxy_port)
try:
proc = subprocess.Popen(
[get_adb(), '-s', self.identifier, 'reverse', tcp, tcp],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
_, stderr = proc.communicate()
if b'error: closed' in stderr:
logger.warning('ADB Reverse TCP works only on'
' Android 5.0 and above. Please '
'configure a reachable IP Address'
' in Android proxy settings.')
elif stderr:
logger.error(stderr.decode('utf-8').replace('\n', ''))
except Exception:
logger.exception('Enabling ADB Reverse TCP')
def get_res():
"""Get Screen Resolution or Device or VM."""
logger.info('Getting Screen Resolution')
try:
adb = get_adb()
resp = subprocess.check_output(
[adb, '-s',
get_identifier(), 'shell', 'dumpsys', 'window'])
resp = resp.decode('utf-8').split('\n')
res = ''
for line in resp:
if 'mUnrestrictedScreen' in line:
res = line
break
res = res.split('(0,0)')[1]
res = res.strip()
res = res.split('x')
if len(res) == 2:
return res[0], res[1]
# width, height
return '', ''
except Exception:
logger.exception('Getting Screen Resolution')
return '', ''
