StaCoAn 
StaCoAn is a crossplatform tool which aids developers, bugbounty hunters and ethical hackers performing static code analysis on mobile applications*.
This tool will look for interesting lines in the code which can contain:
- Hardcoded credentials
- API keys
- URL's of API's
- Decryption keys
- Major coding mistakes
For the impatient ones, grab the download on the releases page.
*: note that currently only apk files are supported, but ipa files will follow very shortly.
An example report can be found here: example report
Table of Contents
- Table of Contents
- Features
- Limitations
- Getting Started
- Contributing
- Authors & Contributors
- License
- Acknowledgments
Features
The concept is that you drag and drop your mobile application file (an .apk or .ipa file) on the StaCoAn application and it will generate a visual and portable report for you. You can tweak the settings and wordlists to get a customized experience.The reports contain a handy tree viewer so you can easily browse trough your decompiled application.
Looting concept
The Loot Function let you 'loot' (~bookmark) the findings which are of value for you and on the loot-page you will get an overview of your 'loot' raid.The final report can be exported to a zip file and shared with other people.
Wordlists
The application uses wordlists for finding interesting lines in the code. Wordlists are in the following format:API_KEY|||80||| This contains an API key reference
(https|http):\/\/.*api.*|||60||| This regex matches any URL containing 'api' In the
exclusion_list.txt you can define exclusions (if you have for some reason to much findings):(https|http):\/\/.*api.*|||"res","layout"||| Like previously, note that "res","layout" resembles the path
(https|http):\/\/.*api.*|||||| To exclude everywhere
Filetypes
Any source file will be processed. This contains'.java', '.js', '.html', '.xml',... files.Database-files are also searched for keywords. The database also has a table viewer.
Responsive Design
The reports are made to fit on all screens.
Limitations
This tool will have trouble with obfuscated code. If you are a developer try to compile without obfuscation turned on before running this tool. If you are on the offensive side, good luck bro.Getting Started
From the releases
If you want to get started as soon as possible, head over to the releases page and download the executable or archive which corresponds to your operating system.If you have downloaded the release zip file, extract this.
On Windows you can just double click the executable. It will open in server mode and you can just drag and drop your mobile applications in the webinterface.
On Mac and Linux you can just run it from the terminal without arguments for the server-mode.
./stacoan Or you can specify an apk-file to run it without the server-mode:
./stacoan -p test-apk.apk Docker
cd docker
docker build . -t stacoan
/yourappsfolder.docker run -e JAVA_OPTS="-Xms2048m -Xmx2048m" -p 8000:8000 -p 8080:8080 -i -t stacoan
From source
git clone https://github.com/vincentcox/StaCoAn/
cd StaCoAn/src
sudo apt-get install python3-pip
pip3 install -r requirements.txt
python3 stacoan.py -p yourApp.apk
python3 stacoan.py -p yourApp.apk --disable-browser --enable-server
Building the executable
Make sure that you are in thesrc folder.cd src
pip3 install pyinstaller
Windows
PyInstaller can't handle subfolders with code, therefore we need to put the code in one folder.sed -i 's/from helpers./from /g' helpers/*
sed -i 's/from helpers./from /g' stacoan.py
sed -i 's/os.path.join(parentdir, "config.ini")/"config.ini"/g' helpers/logger.py
cp helpers/* ./ || :;
python3 -m PyInstaller stacoan.py --onefile --icon icon.ico --name stacoan --clean
mac
PyInstaller can't handle subfolders with code, therefore we need to put the code in one folder.# Note the ''-> this is because sed syntax is different on mac.
sed -i '' 's/from helpers./from /g' helpers/*
sed -i '' 's/from helpers./from /g' stacoan.py
sed -i '' 's/os.path.join(parentdir, "config.ini")/"config.ini"/g' helpers/logger.py
cp helpers/* ./ || :;
python3 -m PyInstaller stacoan.py --onefile --icon icon.ico --name stacoan --clean
Linux
PyInstaller can't handle subfolders with code, therefore we need to put the code in one folder.sed -i 's/from helpers./from /g' helpers/*
sed -i 's/from helpers./from /g' stacoan.py
sed -i 's/os.path.join(parentdir, "config.ini")/"config.ini"/g' helpers/logger.py
cp helpers/* ./ || :;
python3 -m PyInstaller stacoan.py --onefile --icon icon.ico --name stacoan --clean
Contributing
This entire program's value is depending on the wordlists it is using. In the end, the final result is what matters. It is easy to build a wordlist (in comparison to writing actual code), but it has the biggest impact on the end result. You can help the community the most with making wordlists.If you want an easy way to post your idea's, head over to: http://www.tricider.com/brainstorming/2pdrT7ONVrB. From there you can add ideas for entries in the wordlist.
Improving the code is also much appreciated.
If the contribution is high enough, you will be mentioned in the
authors section.Roadmap
- Make IPA files also work with this program
- Make DB matches loot-able
- Better logging (cross platform)
- Docker optimalisation
- Use server to upload files (apk's, ipa's) and process them
- Exception list for ignoring findings in certain folders. For example ignoring
httpinres/layoutand in generalhttp://schemas.android.com/apk/res/android - Make a cleaner file structure of this project
LInk para Descargar: https://github.com/vincentcox/StaCoAn
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