This is the Linux app named uncaptcha whose latest release can be downloaded as uncaptchasourcecode.tar.gz. It can be run online in the free hosting provider OnWorks for workstations.
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SCREENSHOTS:
uncaptcha
DESCRIPTION:
uncaptcha is an open-source proof-of-concept system designed to demonstrate vulnerabilities in Google’s audio reCAPTCHA challenges by automatically solving them using speech recognition techniques. The project uses browser automation to navigate to CAPTCHA challenges, extract audio files, and process them through multiple speech-to-text services. By combining outputs from several transcription engines, the system increases the likelihood of correctly identifying the spoken digits or phrases required to solve the challenge. It employs signal processing techniques such as segmenting audio clips into individual components before transcription, which improves accuracy in noisy or complex audio conditions. The project was developed as part of academic research to highlight potential weaknesses in CAPTCHA systems and includes disclaimers emphasizing responsible use. While it achieved high success rates at the time of publication, later updates to reCAPTCHA have reduced its effectiveness.
Features
- Automated solving of audio reCAPTCHA challenges using speech recognition
- Ensemble approach combining multiple transcription services for accuracy
- Browser automation to interact with CAPTCHA interfaces programmatically
- Audio segmentation techniques for isolating spoken elements
- Research focused proof of concept demonstrating CAPTCHA vulnerabilities
- Configurable integration with multiple speech to text APIs
Programming Language
Python
Categories
This is an application that can also be fetched from https://sourceforge.net/projects/uncaptcha.mirror/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.