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medusa.py
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medusa.py
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#!/usr/bin/env python3
# Standard library imports
import argparse
import os
import platform
import random
import readline
import re
import subprocess
import sys
import time
import traceback
from urllib.parse import urlparse
from typing import Optional, Union
# Third-party imports
import cmd2
import click
import frida
import requests
import yaml
from pick import pick
# Local application/library specific imports
from libraries.libadb import *
from libraries.Modules import *
from libraries.natives import *
from libraries.Questions import *
from libraries.soc_server import *
from utils.google_trans_new import google_translator
RED = "\033[1;31m"
BLUE = "\033[1;34m"
CYAN = "\033[1;36m"
WHITE = "\033[1;37m"
YELLOW = "\033[1;33m"
GREEN = "\033[0;32m"
RESET = "\033[0;0m"
BOLD = "\033[;1m"
REVERSE = "\033[;7m"
agent_script = "agent.js"
scratchpad_module = 'modules/scratchpad.med'
medusa_logo="""
███╗ ███╗███████╗██████╗ ██╗ ██╗███████╗ █████╗
████╗ ████║██╔════╝██╔══██╗██║ ██║██╔════╝██╔══██╗
██╔████╔██║█████╗ ██║ ██║██║ ██║███████╗███████║
██║╚██╔╝██║██╔══╝ ██║ ██║██║ ██║╚════██║██╔══██║
██║ ╚═╝ ██║███████╗██████╔╝╚██████╔╝███████║██║ ██║
╚═╝ ╚═╝╚══════╝╚═════╝ ╚═════╝ ╚══════╝╚═╝ ╚═╝ (Android) Version: dev
🪼 Type help for options 🪼 \n\n
"""
class Parser(cmd2.Cmd):
base_directory = os.path.dirname(__file__)
snippets = []
packages = []
system_libraries = []
app_libraries = []
app_info = {}
show_commands = ['mods', 'categories', 'all', 'snippets']
prompt = BLUE + 'medusa➤' + RESET
_device = None
modified = False
translator = google_translator()
script = None
detached = True
pid = None
native_handler = None
native_functions = []
currentPackage = None
libname = None
modManager = ModuleManager()
package_range = ''
server = None
interactive=True
time_to_run = None
package_name = None
save_to_file = None
device_id = None
device_controller = None
class NonInteractiveTypeError(Exception):
pass
def __init__(self):
super().__init__(
allow_cli_args=False
)
self._callback = None
self.bind_to(self.observe_device_change)
@property
def device(self):
return self._device
@device.setter
def device(self, new_device):
self._device = new_device
if self._callback:
self._callback(new_device)
def bind_to(self, callback):
self._callback = callback
def observe_device_change(self, _device):
if self._device is not None:
self.prompt = f'({self._device.id}) '+ BLUE + 'medusa➤' + RESET
def refreshPackages(self, option=""):
# -a: all known packages (but excluding APEXes)
# -s: filter to only show system packages
# -3: filter to only show third party packages
if option == '-a':
self.package_range = '- Installed applications (all, excluding APEXs)'
elif option == '-s':
self.package_range = '- System / Preinstalled applicatons'
elif option == '-3':
self.package_range = '- 3rd party installed applications'
else:
self.package_range = '- All installed applications'
self.packages = []
for line in os.popen(f'adb -s {self.device.id} shell pm list packages {option}'):
self.packages.append(line.split(':')[1].strip('\n'))
def preloop(self):
self.do_reload("dummy")
parser = argparse.ArgumentParser(
prog='Medusa',
description='An extensible and modularized framework that automates processes and techniques practiced during the dynamic analysis of Android Applications.')
parser.add_argument('-r', '--recipe', help='Use this option to load a session/recipe')
parser.add_argument('--not-interactive', action='store_true', help='Run Medusa without user interaction (additional parameters required)')
parser.add_argument('-t', '--time', type=int, help='Run Medusa for T seconds without user interaction')
parser.add_argument('-p', '--package-name', help='Package name to run')
parser.add_argument('-d', '--device', help='Device to connect to')
parser.add_argument('-s', '--save', help='Filename to save the output log')
args = parser.parse_args()
num_args_set = sum(1 for arg in vars(args).values() if arg is not None)
if args.recipe:
if not args.not_interactive and num_args_set > 1:
if args.time or args.device or args.save or args.package_name:
print('Non-interactive mode arguments are ignored in interactive mode.')
else:
self.write_recipe(args.recipe)
else:
if not(args.time and args.device and args.save and args.package_name):
print('Insufficient parameters for not interactive mode. Exiting...')
exit(1)
else:
self.interactive = False
self.time_to_run = args.time
self.package_name = args.package_name
self.device_id = args.device
self.save_to_file = args.save
self.write_recipe(args.recipe)
randomized_fg = lambda: tuple(random.randint(0, 255) for _ in range(3))
click.secho(medusa_logo, fg=randomized_fg(), bold=True)
self.do_loaddevice("dummy")
if not self.interactive:
self.do_run('-f '+self.package_name)
###################################################### do_ defs start ############################################################
def do_add(self, mod) -> None:
"""
Add a module which is not indexed/added in the existing modules.
Usage:
add /full/path/to/module
"""
try:
self.modManager.add(mod)
except FileNotFoundError:
print('Module not found!')
except (AttributeError, json.decoder.JSONDecodeError):
print("Module file has an incorrect format")
def do_c(self, line) -> None:
"""Usage: c [shell command]
Run a shell command on the local host."""
subprocess.run(line, shell=True)
def do_cc(self, line) -> None:
"""
Get an adb shell to the connected device (no args)
"""
subprocess.run(f'adb -s {self.device.id} shell {line}', shell=True)
def do_clear(self, line) -> None:
"""
Clear the screen (no args)
"""
subprocess.run('clear', shell=True)
def do_compile(self, line, rs=False) -> None:
"""
Compile the current staged modules to a single js frida script. Use '-t' to add a delay.
compile [-t X], where X is a value in millisec
"""
try:
hooks = []
jni_prolog_added = False
# with open(os.path.join(self.base_directory, 'libraries', js'utils.js'), 'r') as file:
# header = file.read()
js_directory = os.path.join(self.base_directory, 'libraries', 'js')
js_files = ['globals.js', 'beautifiers.js', 'utils.js', 'android_core.js']
for filename in js_files:
js_file_path = os.path.join(js_directory, filename)
# Check if the file exists before attempting to read it
if os.path.isfile(js_file_path):
with open(js_file_path, 'r') as file:
header = file.read()
hooks.append(header)
# add delay
delay = ''
options = len(line.split())
if options == 2 and ('-t' in line.split()[0]):
delay = line.split()[1]
hooks.append("\n\nsetTimeout(function() {\n")
hooks.append("Java.perform(function() { \ntry {\nsetTimeout(displayAppInfo,500);\n")
for mod in self.modManager.staged:
if 'JNICalls' in mod.path and not jni_prolog_added:
hooks.append("""
var jnienv_addr = 0x0;
try{
Java.perform(function(){jnienv_addr = Java.vm.getEnv().handle.readPointer();});
console.log("[+] Hooked successfully, JNIEnv base address: " + jnienv_addr);
}
catch(err){
console.log('Error:'+err);
}
""")
jni_prolog_added = True
hooks.append(self.modManager.compile())
epilog = """}
catch(error){
colorLog("------------Error Log start-------------",{ c:Color.Red })
console.log(error.stack);
colorLog("------------Error Log EOF---------------",{ c:Color.Red })
} });"""
if delay != '':
hooks.append(epilog[:-1])
hooks.append("}}, {});".format(delay))
else:
hooks.append(epilog)
with open(os.path.join(self.base_directory, agent_script), 'w') as agent:
for hook_line in hooks:
agent.write('%s\n' % hook_line)
if rs:
print("\nScript has been reset\n")
else:
print("\nScript is compiled\n")
self.modified = False
except Exception as e:
print(e)
self.modified = False
def do_describe_java_class(self, line) -> None:
"""
Adds relevant code to scratchpad which will print details about a class.
Usage:
describe_java_class [class path]
"""
class_path = line.split(' ')[0]
codejs = '\n'
codejs += """console.log("-----------dumping:'""" + class_path + """'-------------------");\n"""
codejs += "console.log(describeJavaClass('" + class_path + "'));\n"
codejs += """console.log("-----------End of dumping:'""" + class_path + """'------------");"""
self.edit_scratchpad(codejs, 'a')
print(
"Stack trace have been added to the" + GREEN + " scratchpad" + RESET + " run 'compile' to include it in your final script")
def do_dexload(self, line) -> None:
"""
Force the android application to load a dex file
Usage:
dexload /device/path/to/dex
"""
try:
codejs = '\n\nJava.openClassFile("' + line.split(' ')[0] + '").load();'
self.edit_scratchpad(codejs, 'a')
except Exception as e:
print(e)
def do_enumerate(self, line) -> None:
"""
Enumerates the exported functions of a native library.
Usage: enumerate com.foo.com libname.so
Using '--attach' will attach to the already running process (gives better results)
"""
try:
libname = line.split(' ')[1].strip()
package = line.split(' ')[0].strip()
self.libname = libname
self.currentPackage = package
if libname == '' or package == '':
print('[i] Usage: exports com.foo.com libname.so')
else:
self.prepare_native("enumerateExportsJs('" + libname + "');\n")
self.native_functions = []
self.native_handler = nativeHandler(self.device)
# self.native_handler.device = self.device
if len(line.split(' ')) > 2:
if '--attach' in line.split(' ')[2]:
modules = self.native_handler.getModules(package, False)
else:
print("[i] Usage: enumerate package library [--attach]")
else:
modules = self.native_handler.getModules(package, True)
for function in modules:
self.native_functions.append(function)
self.native_functions.sort()
self.print_list(self.native_functions, "[i] Printing lib's: " + libname + " exported functions:")
except Exception as e:
print(e)
print("[i] Usage: enumerate package library [--attach]")
def do_exit(self, line) -> None:
"""
Exit MEDUSA
"""
if self.server:
self.server.stop()
agent_path = os.path.join(self.base_directory, agent_script)
scratchpad_path = os.path.join(self.base_directory, scratchpad_module)
if os.path.getsize(agent_path) != 0:
if Polar('Do you want to reset the agent script?').ask():
open(os.path.join(self.base_directory, agent_script), 'w').close()
if os.path.getsize(scratchpad_path) != 119:
if Polar('Do you want to reset the scratchpad?').ask():
self.edit_scratchpad('')
print('Bye!!')
sys.exit()
def do_export(self, line) -> None:
"""
Exports the current loaded modules and scratchpad contents for later usage.
Usage:
export 'filename'
To reload the same list of scripts, type 'medusa -r saved_file'
"""
try:
with open(line, 'w') as file:
for mod in filter(lambda mod: mod.Name != 'scratchpad', self.modManager.staged):
file.write('MODULE ' + mod.Name + '\n')
file.write(self.modManager.getModule('scratchpad').Code)
if os.path.splitext(line)[1] == '.session':
print(
f"Current session mod list saved as: {os.path.splitext(line)[0]}, use session --load to reload it")
else:
print(f'Recipe exported to dir: {os.getcwd()} as {line}')
except Exception as e:
print(e)
print("[i] Usage: export filename")
def do_get(self, line):
"""
Print the value of a class's field
Usage: get package_name full.path.to.class.field
"""
try:
package_name = line.arg_list[0]
class_field_path = line.arg_list[1]
field = class_field_path.split('.')[-1]
clazz = '.'.join(class_field_path.split('.')[:-1])
if field == '*':
codeJs = """
Java.perform(function() {
try {
var jClass = Java.use('""" + clazz + """');
var _fields = jClass.class.getFields().map(f => {
return f.toString()
})
Java.choose('""" + clazz + """', {
onMatch: function(instance) {
for(var i = 0; i < _fields.length; i++){
var field = _fields[i].substring(_fields[i].lastIndexOf(".") + 1);
console.log('var '+field+ ' ='+JSON.stringify(instance[field].value))
}
}, onComplete: function() {
}
})
}
catch(e){console.log(e)}
});
"""
else:
codeJs = """
Java.perform(function() {
var jClass = Java.use('""" + clazz + """');
Java.choose('""" + clazz + """', {
onMatch: function(instance) {
console.log('Current field value of '+instance+ ' is:'+JSON.stringify(instance."""+field+""".value));
var IterableClass = Java.use("java.lang.Iterable");
var field = jClass.class.getDeclaredField('"""+field+"""')
field.setAccessible(true);
var rvalue = field.get(instance);
try{
var isIter = Java.cast(rvalue, IterableClass);
if(isIter){
console.log('Iterable detected. Trying to dump:')
var iter = isIter.iterator();
while(iter.hasNext()){
console.log(' '+iter.next())
}
}
} catch(e){ }
try{
var hashMap = Java.cast(rvalue, Java.use('java.util.HashMap'));
if(hashMap){
console.log('Instance is a HashMap. Dumping entries:');
var entrySet = hashMap.entrySet();
var iterator = entrySet.iterator();
while (iterator.hasNext()) {
var entry = Java.cast(iterator.next(), Java.use('java.util.Map$Entry'));
var key = entry.getKey().toString();
var value = entry.getValue().toString();
console.log('Key: ' + key + ', Value: ' + value);
}
}
} catch(e){ }
}, onComplete: function() {
}
})
});
"""
self.detached = False
session = self.frida_session_handler(self.device, False, package_name)
if session is None:
print("[!] Can't create session for the given package name. Is it running ?")
script = session.create_script(codeJs)
session.on('detached', self.on_detached)
script.load()
input()
if script:
script.unload()
except Exception as e:
print(e)
def do_man(self, line) -> None:
"""
Display the manual
"""
try:
print(BOLD + """
Module Stashing / Un-Stashing:
- add [fullpath] : Adds the module, specified by the "fullpath" option, to a
list of stashed modules
- compile [-t X ms] : Compile the stashed modules. Use -t X to add X ms delay
- import [snippet] : Import a snippet to the scratchpad
- info [module name] : Display help about a module
- rem [module name] : Remove a module from the stashed ones
- reload : Reload all the medusa modules
- reset : Remove all modules from the list of the stashed ones
- search [keyword] : Search for a module containing a specific keyword in its name
- show [option]
all : Show all available modules
categories : Display the available module categories
mods : Show stashed modules
mods [category] : Display the available modules for the selected category
snippets : Display available snippets of frida scripts
- snippet [tab] : Show / display available frida script snippets
- swap old_index new_index : Change the order of modules in the compiled script
- use [module name] : Select a module to add to the final script
===================================================================================================
Hooking beyond the modules:
- hook [option]
-a [class name] : Set hooks for all the methods of the given class
-f : Initiate a dialog for hooking a Java method
-n : Initiate a dialog for hooking a native method
-r : Reset the hooks set so far
- jtrace method_path : Prints the stack trace of a method (similar to hook -f)
- pad : Edit the scratchpad using vim
- import [tab] : Import a frida script from the snippets folder
===================================================================================================
Starting a session:
- run [package name] : Initiate a Frida session and attach to the selected package
- run -f [package name] : Initiate a Frida session and spawn the selected package
- run -n [package num] : Initiate a Frida session and spawn the 3rd party package
number num (listed by "list")
===================================================================================================
Working with native libraries:
- libs (-a, -s, -j) package_name [--attach]
-a : List ALL loaded libraries
-s : List system's loaded libraries
-j : List application's Libraries
--attach : Attach to the process (default is to first run the app)
- enumerate pkg_name libname [--attach]
Enumerate a library's exported functions (e.g. enumerate com.foo.gr libfoo.so)
- load package_name full_library_path
: Force the application to load a native library
===================================================================================================
Working with the application's memory:
- memops package_name lib.so : read/write/search/dump a native library
- memmap package_name : read/dump read or dump a memory region
====================================================================================================
Getting Class and Object snapshots:
- describe_java_class full.path.to.class.name : Log details about the given class
- get package_name full.path.to.class.field : Get the current value of a field of an
instantiated java class.
====================================================================================================
Usefull utilities:
- c [command] : Run a shell command
- cc [command] : Run a shell command on the mobile device
- clear : Clear the screen
- shell : Open an interactive shell
----------------------------------------------------------------------------------------------------
- dump [package_name] : Dump the requested package name (works for most unpackers)
- list [-a, -s, -3] : List all, system or 3rd party packages
- list 'package_name' path : List data/app paths of 3rd party packages
- loaddevice : Load or reload a device
- reload [-r recipe] : Reload the modules. Use -r to load a recipe (see export command)
- status : Print Current Package/Libs/Native-Functions
- strace package_name : logs system calls, signal deliveries, and changes of process state
- type 'text' : Send a text to the device
==============================================================================================
Saving a session:
- export 'filename' : Save session modules and scripts to 'filename'.
(-) To load this file when starting medusa, add the -r option followed by the filename
(-) To load this file while running medusa, type 'reload -r filename'
""" + RESET)
except Exception as e:
print(e)
def do_hook(self, line) -> None:
"""
Hook a method or methods
Usage:
hook [options] where option can be one of the following:
-a [class name] [--color] : Set hooks for all the methods of the given class.
(optional) Use the --color option to set different color output
(default is purple)
-f : Initiate a dialog for hooking a Java method
-n : Initiate a dialog for hooking a native method
-r : Reset the hooks set so far
"""
option = line.arg_list[0]
codejs = '\n'
if option == '-f':
className = input("Enter the full name of the method(s)'s class: ")
class_uuid = str(int(time.time()))
uuid = str(int(time.time()))
codejs = """let hook_""" + uuid + """ = Java.use('""" + className + """');"""
functionName = input("Enter a method name (CTRL+C to Exit): ")
enable_backtrace = Polar('Enable backtrace?', False).ask()
while True:
try:
codejs += """
let overloadCount_""" + uuid + """ = hook_""" + class_uuid + """['""" + functionName + """'].overloads.length;
colorLog("\\nTracing " +'""" + functionName + """' + " [" + overloadCount_""" + uuid + """ + " overload(s)]",{ c: Color.Green });
for (let i = 0; i < overloadCount_""" + uuid + """; i++) {
hook_""" + class_uuid + """['""" + functionName + """'].overloads[i].implementation = function() {
colorLog("*** entered " +'""" + functionName + """',{ c: Color.Green });"""
if enable_backtrace:
codejs += """
Java.perform(function() {
let bt = Java.use("android.util.Log").getStackTraceString(Java.use("java.lang.Exception").$new());
console.log("Backtrace:" + bt);
}); """
codejs += """
if (arguments.length) console.log();
for (let j = 0; j < arguments.length; j++) {
console.log("arg[" + j + "]: " + arguments[j]);
}
let retval = this['""" + functionName + """'].apply(this, arguments);
console.log("retval: " + retval);
colorLog("*** exiting " + '""" + functionName + """',{ c: Color.Green });
return retval;
}
}
"""
print(f'[+] Method: {functionName} hook added !')
functionName = input("Enter a method name (CTRL+C to Exit): ")
enable_backtrace = Polar('Enable backtrace?', False).ask()
uuid = str(int(time.time()))
except KeyboardInterrupt:
self.edit_scratchpad(codejs, 'a')
print(
"\nHooks have been added to the" + GREEN + " scratchpad" + RESET + " run 'compile' to include it in your final script")
break
elif option == '-a':
aclass = line.arg_list[1]
if aclass == '':
print('[i] Usage hook -a class_name')
else:
if len(line.arg_list) > 2:
if line.arg_list[2] == '--color':
colors = ['Blue', 'Cyan', 'Gray', 'Green', 'Purple', 'Red', 'Yellow']
option, index = pick(colors, "Available colors:", indicator="=>", default_index=0)
self.hookall(aclass, option)
else:
self.hookall(aclass)
else:
self.hookall(aclass)
elif option == '-r':
self.scratchreset()
elif option == '-n':
self.hook_native()
else:
print("[i] Invalid option")
def do_jtrace(self, line) -> None:
"""
Prints the stacktrace of a specified function
Usage:
jtrace [full class path]
"""
function_path = line.split(' ')[0]
class_name = '.'.join(function_path.split('.')[:-1])
function_name = function_path.split('.')[-1]
codejs = '\n'
codejs += """var hook = Java.use('""" + class_name + """');"""
codejs += """
var overloadCount = hook['""" + function_name + """'].overloads.length;
for (var i = 0; i < overloadCount; i++) {
hook['""" + function_name + """'].overloads[i].implementation = function() {
colorLog("*** Entering " +'""" + function_name + """',{ c: Color.Green });
Java.perform(function() {
var bt = Java.use("android.util.Log").getStackTraceString(Java.use("java.lang.Exception").$new());
console.log("-----------Printing Stack Trace-------");
colorLog(bt,{c: Color.Blue});
console.log("--------------------------------------")
});
var retval = this['""" + function_name + """'].apply(this, arguments);
colorLog("*** Exiting " + '""" + function_name + """',{ c: Color.Green });
return retval;
}
}
"""
self.edit_scratchpad(codejs, 'a')
print(
"Stack trace have been added to the" + GREEN + " scratchpad" + RESET + " run 'compile' to include it in your final script")
def do_import(self, line) -> None:
"""
Imports a script from a predefined directory and adds it to the scratchpad.
Usage:
import [tab] #pressing tab will show the available scripts.
"""
try:
with open(os.path.join(self.base_directory, 'snippets', line + '.js'), 'r') as file:
data = file.read()
self.edit_scratchpad(data, 'a')
print(
"\nSnippet has been added to the" + GREEN + " scratchpad" + RESET + " run 'compile' to include it in your final script or 'pad' to edit it")
except Exception as e:
print(e)
def do_info(self, mod) -> None:
"""
Provides information about a module.
Usage:
info 'module name'
"""
for m in self.modManager.available:
if m.Name == mod:
print(m.Help)
return
def do_libs(self, line) -> None:
"""
Enumerates loaded native libraries
Usage:
libs (-a, -s, -j) package_name [--attach]
-a : List ALL loaded libraries
-s : List System loaded libraries
-j : List Application's Libraries
--attach : Attach to the process (Default is spawn)
"""
try:
self.prepare_native("enumerateModules();")
self.system_libraries = []
self.app_libraries = []
option = line.split(' ')[0]
self.native_handler = nativeHandler(self.device)
# self.native_handler.device = self.device
package = line.split(' ')[1].strip()
self.currentPackage = package
if len(line.split(' ')) > 2:
if '--attach' in line.split(' ')[2]:
modules = self.native_handler.getModules(package, False)
else:
print("[i] Usage: libs [option] package [--attach]")
else:
modules = self.native_handler.getModules(package, True)
for library in modules:
if library.startswith('/data/app'):
self.app_libraries.append(library)
else:
self.system_libraries.append(library)
self.app_libraries.sort()
self.system_libraries.sort()
if '-a' in option:
self.print_list(self.system_libraries, "[i] Printing system loaded modules:")
self.print_list(self.app_libraries, "[i] Printing Application modules:")
elif '-s' in option:
self.print_list(self.system_libraries, "[i] Printing system loaded modules:")
elif '-j' in option:
self.print_list(self.app_libraries, "[i] Printing Application modules:")
else:
print('[i] Command was not understood.')
except Exception as e:
print(e)
print('[i] Usage: libs [option] package [--attach]')
def do_list(self, line) -> None:
"""
Set the currently working package set / get information about an installed package
list [opt]
Where opt:
-a: all known packages (but excluding APEXes)
-s: filter to only show system packages
-3: filter to only show third party packages
Get info about a package:
list package_name [path]
- Use the option path argument to return the application's installation path
Examples:
list com.example.app
list com.example.app path
list -3
"""
try:
options = len(line.split())
if options == 0:
self.init_packages()
elif options == 1 and line.split()[0] not in ['-a', '-s', '-3']:
package = line.split()[0]
if package in self.packages:
dumpsys = os.popen(f'adb -s {self.device.id} shell dumpsys package {package}')
print('- package info -')
for ln in dumpsys:
print(ln, end='')
else:
print('Invalid package')
elif options == 2 and line.split()[1] == 'path':
package = line.split()[0]
dumpsys = os.popen(f'adb -s {self.device.id} shell dumpsys package {package}')
print('-' * 20 + package + ' ' + "paths" + '-' * 20)
for ln in dumpsys:
for keyword in ["resourcePath", "codePath", "legacyNativeLibraryDir", "primaryCpuAbi"]:
if keyword in ln:
print(ln, end='')
elif options == 1:
opt = line.split()[0]
if opt == '-a':
self.init_packages('-a')
elif opt == '-s':
self.init_packages('-s')
elif opt == '-3':
self.init_packages('-3')
else:
print("Invalid option, use 'help list for options'")
except Exception as e:
print(e)
def do_load(self, line) -> None:
"""
Force the application to manually load a library in order to explore using memops.
Usage:
load package_name full_library_path
Tip: run "list package_name path" to get the application's directories
"""
self.native_handler = nativeHandler(self.device)
self.native_handler.loadLibrary(line.split()[0], line.split()[1])
def do_loaddevice(self, line) -> None:
"""
Load a device in order to interact
"""
try:
if self.interactive:
logger.info('Available devices:\n')
devices = frida.enumerate_devices()
for i in range(len(devices)):
print(f'{i}) {devices[i]}')
self.device = devices[
int(Numeric('\nEnter the index of the device to use:', lbound=0, ubound=len(devices) - 1).ask())]
self.device_controller = android_device(self.device.id)
self.device_controller.print_dev_properties()
elif self.is_remote_device(self.device_id):
self.device = frida.get_remote_device(self.device_id)
self.device_controller = android_device(self.device.id)
else:
self.device = frida.get_device(self.device_id)
self.device_controller = android_device(self.device.id)
except:
self.device = frida.get_remote_device()
if not self.interactive:
raise self.NonInteractiveTypeError("Device unreachable !")
finally:
# lets start by loading all packages and let the user to filter them out
if self.interactive:
self.init_packages('-3')
def do_memops(self, line) -> None:
"""
READ/WRITE/SEARCH process memory
Usage:
memops package_name libfoo.so
"""
self.native_handler = nativeHandler(self.device)
self.native_handler.memops(line)
def do_memscan(self, line) -> None:
"""Usage: memscan [option] package_name [nuclei template(s) (file or path)]
Where option:
-c2 scan the application's memory for c2 addresses using virus total database (need vt api key)
-s scan for secrets using regex entries from /medusa/sigs.json
-nt package_name /path/to/template(s) scan for secrets using a nuclei template
-a perform all scans
"""
try:
if len(line.split(' ')) < 2:
print("Invalid parameters given, type 'help memscan' for options")
return
if line.split(' ')[0] not in ['-c2', '-s', '-nt', '-a']:
print(f"No such an optiion {line.split(' ')[0]}. Type 'help memscan for help")
return
pkg = line.split(' ')[1]
pid = os.popen(f"adb -s {self.device.id} shell pidof {pkg}").read().strip()
if pid == "":
click.secho('Trying to start the app:', fg='green')
os.popen(
f"adb -s {self.device.id} shell monkey -p {pkg} -c 'android.intent.category.LAUNCHER 1'").read()
pid = os.popen(f"adb -s {self.device.id} shell pidof {pkg}").read().strip()
if pid == "":
click.secho("Can't find pid !", fg='red')
return
elif len(pid.split(' ')) > 1:
option, index = pick(pid.split(' '), "More than one processes found running with that name:",
indicator="=>", default_index=0)
pid = option
else:
click.secho(f'Process pid:{pid}', fg='green')
maps = os.popen(f"""adb -s {self.device.id} shell 'echo "cat /proc/{pid}/maps" | su'""").read().split('\n')
for linein in maps:
if 'dalvik-main space' in linein:
range1 = int(linein.split(' ')[0].split('-')[0], 16)
range2 = int(linein.split(' ')[0].split('-')[1], 16)
sz = range2 - range1
print(f'Starting address: {hex(range1)}, size: {range2 - range1}')
self.native_handler = nativeHandler(self.device)
self.native_handler.memraw(pkg + ' ' + pid + ' ' + hex(range1) + ' ' + str(sz), True)
hosts = []
output = []
all_strings = []
script_path = os.path.abspath(__file__)
script_dir = os.getcwd()
dump_dir = script_dir + os.path.sep + 'dump' + os.path.sep + pkg
for filename in os.listdir(dump_dir):
file_path = os.path.join(dump_dir, filename)
if os.path.isfile(file_path):
cmd = f"strings {file_path}"
result = subprocess.run(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if result.returncode == 0:
output = result.stdout.decode().strip().split('\n')
for entry in output:
all_strings.append(entry)
if self.is_valid_url(entry):
hosts.append(urlparse(entry).netloc)
hosts = list(dict.fromkeys(hosts))
whitelist = script_dir + os.path.sep + 'whitelist.txt'
whitelist_urls = []
if os.path.isfile(whitelist):
with open(whitelist, 'r') as file:
whitelist_urls = file.readlines()
whitelist_urls_strip = [x.strip() for x in whitelist_urls]
hosts = [x for x in hosts if not any(y in x for y in whitelist_urls_strip)]
opt = line.split(' ')[0]
if opt == '-c2':
click.secho('Scanning for web addresses', fg='yellow')
self.check_using_vt(hosts, script_dir + os.path.sep + 'vt.key')
elif opt == '-s':
click.secho('Scanning for secrets', fg='yellow')
self.scan_for_secrets(list(dict.fromkeys(all_strings)))
elif opt == '-nt':
if len(line.split(' ')) != 3:
print('This option requires a path to the template(s)')
return
self.scan_using_nuclei_template(list(dict.fromkeys(all_strings)), line.split(' ')[2])
elif opt == '-a':
click.secho('Performing all availlable scans...', fg='yellow')
click.secho('Scanning for web addresses', fg='yellow')
self.check_using_vt(hosts, script_dir + os.path.sep + 'vt.key')
click.secho('Scanning for secrets', fg='yellow')
self.scan_for_secrets(list(dict.fromkeys(all_strings)))
else:
print("No such option...")
return
except Exception as e:
print(e)
return
def do_memmap(self, line) -> None:
"""
READ process memory
Usage:
Make sure the application is running and then type:
memmap package_name
"""
try:
pkg = line.split(' ')[0]
pid = os.popen(f"adb -s {self.device.id} shell pidof {pkg}").read().strip()